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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:title="AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:title="AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="AssetsAbstract" xlink:title="AssetsAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_AssetsAbstract_lbl" xml:lang="en-US" id="us-gaap_AssetsAbstract_lbl">ASSETS</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AssetsAbstract_lbl1" xml:lang="en-US" id="us-gaap_AssetsAbstract_lbl1">Assets [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsAbstract" xlink:to="us-gaap_AssetsAbstract_lbl1" xlink:title="label: AssetsAbstract to us-gaap_AssetsAbstract_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Assets" xlink:label="Assets" xlink:title="Assets" />
    <link:label xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_Assets_lbl" xml:lang="en-US" id="us-gaap_Assets_lbl">Total Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Assets" xlink:to="us-gaap_Assets_lbl" xlink:title="label: Assets to us-gaap_Assets_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_Assets_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_Assets_lbl1" xml:lang="en-US" id="us-gaap_Assets_lbl1">Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Assets" xlink:to="us-gaap_Assets_lbl1" xlink:title="label: Assets to us-gaap_Assets_lbl1" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AssetsCurrent_lbl1" xml:lang="en-US" id="us-gaap_AssetsCurrent_lbl1">Assets, Current</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AssetsCurrentAbstract_lbl" xml:lang="en-US" id="us-gaap_AssetsCurrentAbstract_lbl">Current assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsCurrentAbstract" xlink:to="us-gaap_AssetsCurrentAbstract_lbl" xlink:title="label: AssetsCurrentAbstract to us-gaap_AssetsCurrentAbstract_lbl" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerAssetAndLiabilityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ContractWithCustomerAssetAndLiabilityAbstract_lbl" xml:lang="en-US" id="us-gaap_ContractWithCustomerAssetAndLiabilityAbstract_lbl">Contract with Customer, Asset and Liability [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractWithCustomerAssetAndLiabilityAbstract" xlink:to="us-gaap_ContractWithCustomerAssetAndLiabilityAbstract_lbl" xlink:title="label: ContractWithCustomerAssetAndLiabilityAbstract to us-gaap_ContractWithCustomerAssetAndLiabilityAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContractWithCustomerLiability" xlink:label="ContractWithCustomerLiability" xlink:title="ContractWithCustomerLiability" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ContractWithCustomerLiability_lbl" xml:lang="en-US" id="us-gaap_ContractWithCustomerLiability_lbl">Total Deferred Revenue</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractWithCustomerLiability" xlink:to="us-gaap_ContractWithCustomerLiability_lbl" xlink:title="label: ContractWithCustomerLiability to us-gaap_ContractWithCustomerLiability_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent" xlink:label="ContractWithCustomerLiabilityCurrent" xlink:title="ContractWithCustomerLiabilityCurrent" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ContractWithCustomerLiabilityCurrent_lbl" xml:lang="en-US" id="us-gaap_ContractWithCustomerLiabilityCurrent_lbl">Customer deposits</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractWithCustomerLiabilityCurrent" xlink:to="us-gaap_ContractWithCustomerLiabilityCurrent_lbl" xlink:title="label: ContractWithCustomerLiabilityCurrent to us-gaap_ContractWithCustomerLiabilityCurrent_lbl" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerAssetNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ContractWithCustomerAssetNet_lbl" xml:lang="en-US" id="us-gaap_ContractWithCustomerAssetNet_lbl">Contract Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractWithCustomerAssetNet" xlink:to="us-gaap_ContractWithCustomerAssetNet_lbl" xlink:title="label: ContractWithCustomerAssetNet to us-gaap_ContractWithCustomerAssetNet_lbl" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_lbl" xml:lang="en-US" id="us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_lbl">Contract Assets and Contract Liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractWithCustomerAssetAndLiabilityTableTextBlock" xlink:to="us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_lbl" xlink:title="label: ContractWithCustomerAssetAndLiabilityTableTextBlock to us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContributionOfProperty" xlink:label="ContributionOfProperty" xlink:title="ContributionOfProperty" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ContributionOfProperty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_ContributionOfProperty_lbl" xml:lang="en-US" id="us-gaap_ContributionOfProperty_lbl">Utility plant received as construction advances and contributions</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_ContributionOfProperty_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ContributionOfProperty_lbl1" xml:lang="en-US" id="us-gaap_ContributionOfProperty_lbl1">Contribution of Property</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContributionOfProperty" xlink:to="us-gaap_ContributionOfProperty_lbl1" xlink:title="label: ContributionOfProperty to us-gaap_ContributionOfProperty_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContributionsInAidOfConstruction" xlink:label="ContributionsInAidOfConstruction" xlink:title="ContributionsInAidOfConstruction" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ContributionsInAidOfConstruction_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ContributionsInAidOfConstruction_lbl" xml:lang="en-US" id="us-gaap_ContributionsInAidOfConstruction_lbl">Net contributions in aid of construction</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContributionsInAidOfConstruction" xlink:to="us-gaap_ContributionsInAidOfConstruction_lbl" xlink:title="label: ContributionsInAidOfConstruction to us-gaap_ContributionsInAidOfConstruction_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="CreditFacilityAxis" xlink:title="CreditFacilityAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CreditFacilityAxis_lbl" xml:lang="en-US" id="us-gaap_CreditFacilityAxis_lbl">Credit Facility [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CreditFacilityAxis" xlink:to="us-gaap_CreditFacilityAxis_lbl" xlink:title="label: CreditFacilityAxis to us-gaap_CreditFacilityAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="CreditFacilityDomain" xlink:title="CreditFacilityDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CreditFacilityDomain_lbl" xml:lang="en-US" id="us-gaap_CreditFacilityDomain_lbl">Credit Facility [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CreditFacilityDomain" xlink:to="us-gaap_CreditFacilityDomain_lbl" xlink:title="label: CreditFacilityDomain to us-gaap_CreditFacilityDomain_lbl" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DisaggregationOfRevenueLineItems_lbl" xml:lang="en-US" id="us-gaap_DisaggregationOfRevenueLineItems_lbl">Disaggregation of Revenue [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DisaggregationOfRevenueLineItems" xlink:to="us-gaap_DisaggregationOfRevenueLineItems_lbl" xlink:title="label: DisaggregationOfRevenueLineItems to us-gaap_DisaggregationOfRevenueLineItems_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisaggregationOfRevenueTable" xlink:label="DisaggregationOfRevenueTable" xlink:title="DisaggregationOfRevenueTable" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DisaggregationOfRevenueTable_lbl" xml:lang="en-US" id="us-gaap_DisaggregationOfRevenueTable_lbl">Disaggregation of Revenue [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DisaggregationOfRevenueTable" xlink:to="us-gaap_DisaggregationOfRevenueTable_lbl" xlink:title="label: DisaggregationOfRevenueTable to us-gaap_DisaggregationOfRevenueTable_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisaggregationOfRevenueAbstract" xlink:label="DisaggregationOfRevenueAbstract" xlink:title="DisaggregationOfRevenueAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DisaggregationOfRevenueAbstract_lbl" xml:lang="en-US" id="us-gaap_DisaggregationOfRevenueAbstract_lbl">Disaggregation of Revenue [Abstract]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisaggregationOfRevenueTableTextBlock" xlink:label="DisaggregationOfRevenueTableTextBlock" xlink:title="DisaggregationOfRevenueTableTextBlock" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFrequencyOfPeriodicPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DebtInstrumentFrequencyOfPeriodicPayment_lbl" xml:lang="en-US" id="us-gaap_DebtInstrumentFrequencyOfPeriodicPayment_lbl">Frequency of installment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentFrequencyOfPeriodicPayment" xlink:to="us-gaap_DebtInstrumentFrequencyOfPeriodicPayment_lbl" xlink:title="label: DebtInstrumentFrequencyOfPeriodicPayment to us-gaap_DebtInstrumentFrequencyOfPeriodicPayment_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="DebtInstrumentAxis" xlink:title="DebtInstrumentAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DebtInstrumentAxis_lbl" xml:lang="en-US" id="us-gaap_DebtInstrumentAxis_lbl">Debt Instrument [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentAxis_lbl" xlink:title="label: DebtInstrumentAxis to us-gaap_DebtInstrumentAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="DebtInstrumentFaceAmount" xlink:title="DebtInstrumentFaceAmount" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DebtInstrumentFaceAmount_lbl" xml:lang="en-US" id="us-gaap_DebtInstrumentFaceAmount_lbl">Total principal amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentFaceAmount" xlink:to="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:title="label: DebtInstrumentFaceAmount to us-gaap_DebtInstrumentFaceAmount_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="DebtInstrumentCarryingAmount" xlink:title="DebtInstrumentCarryingAmount" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DebtInstrumentCarryingAmount_lbl" xml:lang="en-US" id="us-gaap_DebtInstrumentCarryingAmount_lbl">Debt instrument, amount outstanding</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="DebtInstrumentInterestRateStatedPercentage" xlink:title="DebtInstrumentInterestRateStatedPercentage" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xml:lang="en-US" id="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl">Percentage on principal amount</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_lbl" xml:lang="en-US" id="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_lbl">Dilutive effect of employee stock options and awards (in shares)</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_lbl1" xml:lang="en-US" id="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_lbl1">Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestPayableCurrent" xlink:label="InterestPayableCurrent" xlink:title="InterestPayableCurrent" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestExpense" xlink:label="InterestExpense" xlink:title="InterestExpense" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_InterestExpense_lbl" xml:lang="en-US" id="us-gaap_InterestExpense_lbl">Interest charges</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InterestExpense" xlink:to="us-gaap_InterestExpense_lbl" xlink:title="label: InterestExpense to us-gaap_InterestExpense_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="InterestPaidNet" xlink:title="InterestPaidNet" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_InterestPaidNet_lbl" xml:lang="en-US" id="us-gaap_InterestPaidNet_lbl">Interest paid</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InterestPaidNet" xlink:to="us-gaap_InterestPaidNet_lbl" xlink:title="label: InterestPaidNet to us-gaap_InterestPaidNet_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InternalRevenueServiceIRSMember" xlink:label="InternalRevenueServiceIRSMember" xlink:title="InternalRevenueServiceIRSMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InternalRevenueServiceIRSMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_InternalRevenueServiceIRSMember_lbl" xml:lang="en-US" id="us-gaap_InternalRevenueServiceIRSMember_lbl">Federal Authorities [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InternalRevenueServiceIRSMember" xlink:to="us-gaap_InternalRevenueServiceIRSMember_lbl" xlink:title="label: InternalRevenueServiceIRSMember to us-gaap_InternalRevenueServiceIRSMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InternalRevenueServiceIRSMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_InternalRevenueServiceIRSMember_lbl1" xml:lang="en-US" id="us-gaap_InternalRevenueServiceIRSMember_lbl1">Internal Revenue Service (IRS) [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InternalRevenueServiceIRSMember" xlink:to="us-gaap_InternalRevenueServiceIRSMember_lbl1" xlink:title="label: InternalRevenueServiceIRSMember to us-gaap_InternalRevenueServiceIRSMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryRawMaterialsAndSupplies" xlink:label="InventoryRawMaterialsAndSupplies" xlink:title="InventoryRawMaterialsAndSupplies" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InventoryRawMaterialsAndSupplies_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_InventoryRawMaterialsAndSupplies_lbl" xml:lang="en-US" id="us-gaap_InventoryRawMaterialsAndSupplies_lbl">Materials and supplies</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryRawMaterialsAndSupplies" xlink:to="us-gaap_InventoryRawMaterialsAndSupplies_lbl" xlink:title="label: InventoryRawMaterialsAndSupplies to us-gaap_InventoryRawMaterialsAndSupplies_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="LiabilitiesAndStockholdersEquityAbstract" xlink:title="LiabilitiesAndStockholdersEquityAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xml:lang="en-US" id="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl">LIABILITIES AND STOCKHOLDERS' EQUITY</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:title="label: LiabilitiesAndStockholdersEquityAbstract to us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="LiabilitiesAndStockholdersEquity" xlink:title="LiabilitiesAndStockholdersEquity" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xml:lang="en-US" id="us-gaap_LiabilitiesAndStockholdersEquity_lbl">Total Liabilities and Stockholders' equity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:title="label: LiabilitiesAndStockholdersEquity to us-gaap_LiabilitiesAndStockholdersEquity_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LiabilitiesAndStockholdersEquity_lbl1" xml:lang="en-US" id="us-gaap_LiabilitiesAndStockholdersEquity_lbl1">Liabilities and Equity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl1" xlink:title="label: LiabilitiesAndStockholdersEquity to us-gaap_LiabilitiesAndStockholdersEquity_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesNoncurrentAbstract" xlink:label="LiabilitiesNoncurrentAbstract" xlink:title="LiabilitiesNoncurrentAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesNoncurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LiabilitiesNoncurrentAbstract_lbl" xml:lang="en-US" id="us-gaap_LiabilitiesNoncurrentAbstract_lbl">Deferred credits and other liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesNoncurrentAbstract" xlink:to="us-gaap_LiabilitiesNoncurrentAbstract_lbl" xlink:title="label: LiabilitiesNoncurrentAbstract to us-gaap_LiabilitiesNoncurrentAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesNoncurrent" xlink:label="LiabilitiesNoncurrent" xlink:title="LiabilitiesNoncurrent" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_LiabilitiesNoncurrent_lbl" xml:lang="en-US" id="us-gaap_LiabilitiesNoncurrent_lbl">Total deferred credits and other liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesNoncurrent" xlink:to="us-gaap_LiabilitiesNoncurrent_lbl" xlink:title="label: LiabilitiesNoncurrent to us-gaap_LiabilitiesNoncurrent_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesNoncurrent_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LiabilitiesNoncurrent_lbl1" xml:lang="en-US" id="us-gaap_LiabilitiesNoncurrent_lbl1">Liabilities, Noncurrent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesNoncurrent" xlink:to="us-gaap_LiabilitiesNoncurrent_lbl1" xlink:title="label: LiabilitiesNoncurrent to us-gaap_LiabilitiesNoncurrent_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="LiabilitiesCurrentAbstract" xlink:title="LiabilitiesCurrentAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LiabilitiesCurrentAbstract_lbl" xml:lang="en-US" id="us-gaap_LiabilitiesCurrentAbstract_lbl">Current liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:title="label: LiabilitiesCurrentAbstract to us-gaap_LiabilitiesCurrentAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="LiabilitiesCurrent" xlink:title="LiabilitiesCurrent" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_LiabilitiesCurrent_lbl" xml:lang="en-US" id="us-gaap_LiabilitiesCurrent_lbl">Total current liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_lbl" xlink:title="label: LiabilitiesCurrent to us-gaap_LiabilitiesCurrent_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LiabilitiesCurrent_lbl1" xml:lang="en-US" id="us-gaap_LiabilitiesCurrent_lbl1">Liabilities, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_lbl1" xlink:title="label: LiabilitiesCurrent to us-gaap_LiabilitiesCurrent_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LinesOfCreditCurrent" xlink:label="LinesOfCreditCurrent" xlink:title="LinesOfCreditCurrent" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LinesOfCreditCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LinesOfCreditCurrent_lbl" xml:lang="en-US" id="us-gaap_LinesOfCreditCurrent_lbl">Lines of credit</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LinesOfCreditCurrent" xlink:to="us-gaap_LinesOfCreditCurrent_lbl" xlink:title="label: LinesOfCreditCurrent to us-gaap_LinesOfCreditCurrent_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtFairValue" xlink:label="LongTermDebtFairValue" xlink:title="LongTermDebtFairValue" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LongTermDebtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LongTermDebtFairValue_lbl" xml:lang="en-US" id="us-gaap_LongTermDebtFairValue_lbl">Long-term debt</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="LongTermDebtCurrent" xlink:title="LongTermDebtCurrent" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LongTermDebtCurrent_lbl" xml:lang="en-US" id="us-gaap_LongTermDebtCurrent_lbl">Current portion of long-term debt</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LongTermDebtNoncurrent_lbl" xml:lang="en-US" id="us-gaap_LongTermDebtNoncurrent_lbl">Long-term debt, net of current portion</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock" xlink:to="us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_lbl" xlink:title="label: NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock to us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_lbl" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingIncomeLoss" xlink:to="us-gaap_OperatingIncomeLoss_lbl1" xlink:title="label: OperatingIncomeLoss to us-gaap_OperatingIncomeLoss_lbl1" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingExpensesAbstract" xlink:to="us-gaap_OperatingExpensesAbstract_lbl" xlink:title="label: OperatingExpensesAbstract to us-gaap_OperatingExpensesAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingExpensesAbstract_lbl1" xml:lang="en-US" id="us-gaap_OperatingExpensesAbstract_lbl1">Operating Expenses [Abstract]</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OtherNonoperatingIncomeExpense_lbl" xml:lang="en-US" id="us-gaap_OtherNonoperatingIncomeExpense_lbl">Miscellaneous income (expense)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherNonoperatingIncomeExpense" xlink:to="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:title="label: OtherNonoperatingIncomeExpense to us-gaap_OtherNonoperatingIncomeExpense_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsOfDividends" xlink:label="PaymentsOfDividends" xlink:title="PaymentsOfDividends" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsOfDividends_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:title="us-gaap_PaymentsOfDividends_lbl" xml:lang="en-US" id="us-gaap_PaymentsOfDividends_lbl">Dividends paid</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsOfDividends" xlink:to="us-gaap_PaymentsOfDividends_lbl" xlink:title="label: PaymentsOfDividends to us-gaap_PaymentsOfDividends_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsOfDividends_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PaymentsOfDividends_lbl1" xml:lang="en-US" id="us-gaap_PaymentsOfDividends_lbl1">Payments of Dividends</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsOfDividends" xlink:to="us-gaap_PaymentsOfDividends_lbl1" xlink:title="label: PaymentsOfDividends to us-gaap_PaymentsOfDividends_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="PaymentsOfDebtIssuanceCosts" xlink:title="PaymentsOfDebtIssuanceCosts" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_PaymentsOfDebtIssuanceCosts_lbl" xml:lang="en-US" id="us-gaap_PaymentsOfDebtIssuanceCosts_lbl">Debt issuance costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsOfDebtIssuanceCosts" xlink:to="us-gaap_PaymentsOfDebtIssuanceCosts_lbl" xlink:title="label: PaymentsOfDebtIssuanceCosts to us-gaap_PaymentsOfDebtIssuanceCosts_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PaymentsOfDebtIssuanceCosts_lbl1" xml:lang="en-US" id="us-gaap_PaymentsOfDebtIssuanceCosts_lbl1">Payments of Debt Issuance Costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsOfDebtIssuanceCosts" xlink:to="us-gaap_PaymentsOfDebtIssuanceCosts_lbl1" xlink:title="label: PaymentsOfDebtIssuanceCosts to us-gaap_PaymentsOfDebtIssuanceCosts_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="PaymentsToAcquirePropertyPlantAndEquipment" xlink:title="PaymentsToAcquirePropertyPlantAndEquipment" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xml:lang="en-US" id="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl">Capital expenditures (net of AFUDC, equity portion)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:title="label: PaymentsToAcquirePropertyPlantAndEquipment to us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl1" xml:lang="en-US" id="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl1">Payments to Acquire Property, Plant, and Equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl1" xlink:title="label: PaymentsToAcquirePropertyPlantAndEquipment to us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitContributions" xlink:label="PensionAndOtherPostretirementBenefitContributions" xlink:title="PensionAndOtherPostretirementBenefitContributions" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitContributions_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PensionAndOtherPostretirementBenefitContributions_lbl" xml:lang="en-US" id="us-gaap_PensionAndOtherPostretirementBenefitContributions_lbl">Contributions to postretirement benefit plan</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PensionAndOtherPostretirementBenefitContributions" xlink:to="us-gaap_PensionAndOtherPostretirementBenefitContributions_lbl" xlink:title="label: PensionAndOtherPostretirementBenefitContributions to us-gaap_PensionAndOtherPostretirementBenefitContributions_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="PlanNameAxis" xlink:title="PlanNameAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PlanNameAxis_lbl" xml:lang="en-US" id="us-gaap_PlanNameAxis_lbl">Plan Name [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PlanNameAxis" xlink:to="us-gaap_PlanNameAxis_lbl" xlink:title="label: PlanNameAxis to us-gaap_PlanNameAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="PlanNameDomain" xlink:title="PlanNameDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PlanNameDomain_lbl" xml:lang="en-US" id="us-gaap_PlanNameDomain_lbl">Plan Name [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PlanNameDomain" xlink:to="us-gaap_PlanNameDomain_lbl" xlink:title="label: PlanNameDomain to us-gaap_PlanNameDomain_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:label="PortionAtFairValueFairValueDisclosureMember" xlink:title="PortionAtFairValueFairValueDisclosureMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl" xml:lang="en-US" id="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl">Portion at Fair Value Measurement [Member] [Default]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PortionAtFairValueFairValueDisclosureMember" xlink:to="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl" xlink:title="label: PortionAtFairValueFairValueDisclosureMember to us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PostretirementBenefitCostsMember" xlink:label="PostretirementBenefitCostsMember" xlink:title="PostretirementBenefitCostsMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PostretirementBenefitCostsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PostretirementBenefitCostsMember_lbl" xml:lang="en-US" id="us-gaap_PostretirementBenefitCostsMember_lbl">Postretirement Benefit Obligation [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PostretirementBenefitCostsMember" xlink:to="us-gaap_PostretirementBenefitCostsMember_lbl" xlink:title="label: PostretirementBenefitCostsMember to us-gaap_PostretirementBenefitCostsMember_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="PreferredStockValue" xlink:title="PreferredStockValue" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PreferredStockValue_lbl" xml:lang="en-US" id="us-gaap_PreferredStockValue_lbl">Preferred stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockValue" xlink:to="us-gaap_PreferredStockValue_lbl" xlink:title="label: PreferredStockValue to us-gaap_PreferredStockValue_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PrepaidTaxes" xlink:label="PrepaidTaxes" xlink:title="PrepaidTaxes" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PrepaidTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PrepaidTaxes_lbl" xml:lang="en-US" id="us-gaap_PrepaidTaxes_lbl">Prepaid property taxes</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PrepaidTaxes" xlink:to="us-gaap_PrepaidTaxes_lbl" xlink:title="label: PrepaidTaxes to us-gaap_PrepaidTaxes_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="PrepaidExpenseAndOtherAssetsCurrent" xlink:title="PrepaidExpenseAndOtherAssetsCurrent" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xml:lang="en-US" id="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl">Prepaid expenses and other</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PrepaidExpenseAndOtherAssetsCurrent" xlink:to="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:title="label: PrepaidExpenseAndOtherAssetsCurrent to us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfBankOverdrafts" xlink:label="ProceedsFromRepaymentsOfBankOverdrafts" xlink:title="ProceedsFromRepaymentsOfBankOverdrafts" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromRepaymentsOfBankOverdrafts_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ProceedsFromRepaymentsOfBankOverdrafts_lbl" xml:lang="en-US" id="us-gaap_ProceedsFromRepaymentsOfBankOverdrafts_lbl">Increase in overdraft payable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromRepaymentsOfBankOverdrafts" xlink:to="us-gaap_ProceedsFromRepaymentsOfBankOverdrafts_lbl" xlink:title="label: ProceedsFromRepaymentsOfBankOverdrafts to us-gaap_ProceedsFromRepaymentsOfBankOverdrafts_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfDebt" xlink:label="ProceedsFromRepaymentsOfDebt" xlink:title="ProceedsFromRepaymentsOfDebt" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromRepaymentsOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ProceedsFromRepaymentsOfDebt_lbl" xml:lang="en-US" id="us-gaap_ProceedsFromRepaymentsOfDebt_lbl">Net borrowings (repayments) under lines of credit agreements</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromRepaymentsOfDebt" xlink:to="us-gaap_ProceedsFromRepaymentsOfDebt_lbl" xlink:title="label: ProceedsFromRepaymentsOfDebt to us-gaap_ProceedsFromRepaymentsOfDebt_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="ProceedsFromIssuanceOfCommonStock" xlink:title="ProceedsFromIssuanceOfCommonStock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xml:lang="en-US" id="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl">Net proceeds from issuance of common stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromIssuanceOfCommonStock" xlink:to="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:title="label: ProceedsFromIssuanceOfCommonStock to us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:title="ProceedsFromSaleOfPropertyPlantAndEquipment" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl">Proceeds from sale of assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:to="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl" xlink:title="label: ProceedsFromSaleOfPropertyPlantAndEquipment to us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="PropertyPlantAndEquipmentNet" xlink:title="PropertyPlantAndEquipmentNet" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_PropertyPlantAndEquipmentNet_lbl" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentNet_lbl">Non utility property (less accumulated depreciation 2018-$726; 2017-$689)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:title="label: PropertyPlantAndEquipmentNet to us-gaap_PropertyPlantAndEquipmentNet_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PropertyPlantAndEquipmentNet_lbl1" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentNet_lbl1">Property, Plant and Equipment, Net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_lbl1" xlink:title="label: PropertyPlantAndEquipmentNet to us-gaap_PropertyPlantAndEquipmentNet_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesDisclosureTextBlock" xlink:label="PublicUtilitiesDisclosureTextBlock" xlink:title="PublicUtilitiesDisclosureTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PublicUtilitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_PublicUtilitiesDisclosureTextBlock_lbl" xml:lang="en-US" id="us-gaap_PublicUtilitiesDisclosureTextBlock_lbl">REGULATORY PROCEEDINGS</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PublicUtilitiesDisclosureTextBlock" xlink:to="us-gaap_PublicUtilitiesDisclosureTextBlock_lbl" xlink:title="label: PublicUtilitiesDisclosureTextBlock to us-gaap_PublicUtilitiesDisclosureTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PublicUtilitiesDisclosureTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PublicUtilitiesDisclosureTextBlock_lbl1" xml:lang="en-US" id="us-gaap_PublicUtilitiesDisclosureTextBlock_lbl1">Public Utilities Disclosure [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PublicUtilitiesDisclosureTextBlock" xlink:to="us-gaap_PublicUtilitiesDisclosureTextBlock_lbl1" xlink:title="label: PublicUtilitiesDisclosureTextBlock to us-gaap_PublicUtilitiesDisclosureTextBlock_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" xlink:label="PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" xlink:title="PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_lbl" xml:lang="en-US" id="us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_lbl">AFUDC, equity portion</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" xlink:to="us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_lbl" xlink:title="label: PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity to us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_lbl1" xml:lang="en-US" id="us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_lbl1">Public Utilities, Allowance for Funds Used During Construction, Capitalized Cost of Equity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" xlink:to="us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_lbl1" xlink:title="label: PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity to us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions" xlink:label="PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions" xlink:title="PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions_lbl" xml:lang="en-US" id="us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions_lbl">Allowance for funds used during construction (AFUDC)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions" xlink:to="us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions_lbl" xlink:title="label: PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions to us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesGeneralDisclosuresTableTextBlock" xlink:label="PublicUtilitiesGeneralDisclosuresTableTextBlock" xlink:title="PublicUtilitiesGeneralDisclosuresTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PublicUtilitiesGeneralDisclosuresTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PublicUtilitiesGeneralDisclosuresTableTextBlock_lbl" xml:lang="en-US" id="us-gaap_PublicUtilitiesGeneralDisclosuresTableTextBlock_lbl">Eligible Plant Improvements</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PublicUtilitiesGeneralDisclosuresTableTextBlock" xlink:to="us-gaap_PublicUtilitiesGeneralDisclosuresTableTextBlock_lbl" xlink:title="label: PublicUtilitiesGeneralDisclosuresTableTextBlock to us-gaap_PublicUtilitiesGeneralDisclosuresTableTextBlock_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet" xlink:label="PublicUtilitiesPropertyPlantAndEquipmentNet" xlink:title="PublicUtilitiesPropertyPlantAndEquipmentNet" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_lbl" xml:lang="en-US" id="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_lbl">Utility plant, at original cost (less accumulated depreciation 2018-$121,890; 2017-$116,945)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PublicUtilitiesPropertyPlantAndEquipmentNet" xlink:to="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_lbl" xlink:title="label: PublicUtilitiesPropertyPlantAndEquipmentNet to us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation" xlink:label="PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation" xlink:title="PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation_lbl" xml:lang="en-US" id="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation_lbl">Utility Plant, accumulated depreciation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation" xlink:to="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation_lbl" xlink:title="label: PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation to us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation_lbl1" xml:lang="en-US" id="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation_lbl1">Public Utilities, Property, Plant and Equipment, Accumulated Depreciation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation" xlink:to="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation_lbl1" xlink:title="label: PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation to us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis" xlink:label="PublicUtilityRegulatedOrUnregulatedStatusAxis" xlink:title="PublicUtilityRegulatedOrUnregulatedStatusAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_lbl" xml:lang="en-US" id="us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_lbl">Regulation Status [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PublicUtilityRegulatedOrUnregulatedStatusAxis" xlink:to="us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_lbl" xlink:title="label: PublicUtilityRegulatedOrUnregulatedStatusAxis to us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatedOperationsAbstract" xlink:label="RegulatedOperationsAbstract" xlink:title="RegulatedOperationsAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RegulatedOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RegulatedOperationsAbstract_lbl" xml:lang="en-US" id="us-gaap_RegulatedOperationsAbstract_lbl">REGULATORY PROCEEDINGS [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatedOperationsAbstract" xlink:to="us-gaap_RegulatedOperationsAbstract_lbl" xlink:title="label: RegulatedOperationsAbstract to us-gaap_RegulatedOperationsAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatedOperationMember" xlink:label="RegulatedOperationMember" xlink:title="RegulatedOperationMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RegulatedOperationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RegulatedOperationMember_lbl" xml:lang="en-US" id="us-gaap_RegulatedOperationMember_lbl">Regulated Revenue [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatedOperationMember" xlink:to="us-gaap_RegulatedOperationMember_lbl" xlink:title="label: RegulatedOperationMember to us-gaap_RegulatedOperationMember_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatedAndUnregulatedOperationDomain" xlink:label="RegulatedAndUnregulatedOperationDomain" xlink:title="RegulatedAndUnregulatedOperationDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RegulatedAndUnregulatedOperationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RegulatedAndUnregulatedOperationDomain_lbl" xml:lang="en-US" id="us-gaap_RegulatedAndUnregulatedOperationDomain_lbl">Regulated and Unregulated Operation [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatedAndUnregulatedOperationDomain" xlink:to="us-gaap_RegulatedAndUnregulatedOperationDomain_lbl" xlink:title="label: RegulatedAndUnregulatedOperationDomain to us-gaap_RegulatedAndUnregulatedOperationDomain_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatoryAssetAmortizationPeriod" xlink:label="RegulatoryAssetAmortizationPeriod" xlink:title="RegulatoryAssetAmortizationPeriod" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RegulatoryAssetAmortizationPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_RegulatoryAssetAmortizationPeriod_lbl" xml:lang="en-US" id="us-gaap_RegulatoryAssetAmortizationPeriod_lbl">Depreciation and salary studies</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryAssetAmortizationPeriod" xlink:to="us-gaap_RegulatoryAssetAmortizationPeriod_lbl" xlink:title="label: RegulatoryAssetAmortizationPeriod to us-gaap_RegulatoryAssetAmortizationPeriod_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RegulatoryAssetAmortizationPeriod_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RegulatoryAssetAmortizationPeriod_lbl1" xml:lang="en-US" id="us-gaap_RegulatoryAssetAmortizationPeriod_lbl1">Regulatory Asset, Amortization Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryAssetAmortizationPeriod" xlink:to="us-gaap_RegulatoryAssetAmortizationPeriod_lbl1" xlink:title="label: RegulatoryAssetAmortizationPeriod to us-gaap_RegulatoryAssetAmortizationPeriod_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatoryLiabilityAxis" xlink:label="RegulatoryLiabilityAxis" xlink:title="RegulatoryLiabilityAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RegulatoryLiabilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RegulatoryLiabilityAxis_lbl" xml:lang="en-US" id="us-gaap_RegulatoryLiabilityAxis_lbl">Regulatory Liability [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryLiabilityAxis" xlink:to="us-gaap_RegulatoryLiabilityAxis_lbl" xlink:title="label: RegulatoryLiabilityAxis to us-gaap_RegulatoryLiabilityAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatoryLiabilityDomain" xlink:label="RegulatoryLiabilityDomain" xlink:title="RegulatoryLiabilityDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RegulatoryLiabilityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RegulatoryLiabilityDomain_lbl" xml:lang="en-US" id="us-gaap_RegulatoryLiabilityDomain_lbl">Regulatory Liability [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryLiabilityDomain" xlink:to="us-gaap_RegulatoryLiabilityDomain_lbl" xlink:title="label: RegulatoryLiabilityDomain to us-gaap_RegulatoryLiabilityDomain_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatoryLiabilities" xlink:label="RegulatoryLiabilities" xlink:title="RegulatoryLiabilities" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RegulatoryLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_RegulatoryLiabilities_lbl" xml:lang="en-US" id="us-gaap_RegulatoryLiabilities_lbl">Regulatory liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryLiabilities" xlink:to="us-gaap_RegulatoryLiabilities_lbl" xlink:title="label: RegulatoryLiabilities to us-gaap_RegulatoryLiabilities_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RegulatoryLiabilities_lbl1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_RegulatoryLiabilities_lbl1" xml:lang="en-US" id="us-gaap_RegulatoryLiabilities_lbl1">Regulatory liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryLiabilities" xlink:to="us-gaap_RegulatoryLiabilities_lbl1" xlink:title="label: RegulatoryLiabilities to us-gaap_RegulatoryLiabilities_lbl1" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RegulatoryLiabilities_lbl2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RegulatoryLiabilities_lbl2" xml:lang="en-US" id="us-gaap_RegulatoryLiabilities_lbl2">Regulatory Liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryLiabilities" xlink:to="us-gaap_RegulatoryLiabilities_lbl2" xlink:title="label: RegulatoryLiabilities to us-gaap_RegulatoryLiabilities_lbl2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatoryAssets" xlink:label="RegulatoryAssets" xlink:title="RegulatoryAssets" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RegulatoryAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RegulatoryAssets_lbl" xml:lang="en-US" id="us-gaap_RegulatoryAssets_lbl">Regulatory assets, net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryAssets" xlink:to="us-gaap_RegulatoryAssets_lbl" xlink:title="label: RegulatoryAssets to us-gaap_RegulatoryAssets_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatoryAssetDomain" xlink:label="RegulatoryAssetDomain" xlink:title="RegulatoryAssetDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RegulatoryAssetDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RegulatoryAssetDomain_lbl" xml:lang="en-US" id="us-gaap_RegulatoryAssetDomain_lbl">Regulatory Asset [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryAssetDomain" xlink:to="us-gaap_RegulatoryAssetDomain_lbl" xlink:title="label: RegulatoryAssetDomain to us-gaap_RegulatoryAssetDomain_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatoryAssetLineItems" xlink:label="RegulatoryAssetLineItems" xlink:title="RegulatoryAssetLineItems" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RegulatoryAssetLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RegulatoryAssetLineItems_lbl" xml:lang="en-US" id="us-gaap_RegulatoryAssetLineItems_lbl">Regulatory Assets [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryAssetLineItems" xlink:to="us-gaap_RegulatoryAssetLineItems_lbl" xlink:title="label: RegulatoryAssetLineItems to us-gaap_RegulatoryAssetLineItems_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatoryAssetAxis" xlink:label="RegulatoryAssetAxis" xlink:title="RegulatoryAssetAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RegulatoryAssetAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RegulatoryAssetAxis_lbl" xml:lang="en-US" id="us-gaap_RegulatoryAssetAxis_lbl">Regulatory Asset [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryAssetAxis" xlink:to="us-gaap_RegulatoryAssetAxis_lbl" xlink:title="label: RegulatoryAssetAxis to us-gaap_RegulatoryAssetAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatoryAssetsAndLiabilitiesDisclosureAbstract" xlink:label="RegulatoryAssetsAndLiabilitiesDisclosureAbstract" xlink:title="RegulatoryAssetsAndLiabilitiesDisclosureAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RegulatoryAssetsAndLiabilitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RegulatoryAssetsAndLiabilitiesDisclosureAbstract_lbl" xml:lang="en-US" id="us-gaap_RegulatoryAssetsAndLiabilitiesDisclosureAbstract_lbl">REGULATORY ASSETS [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryAssetsAndLiabilitiesDisclosureAbstract" xlink:to="us-gaap_RegulatoryAssetsAndLiabilitiesDisclosureAbstract_lbl" xlink:title="label: RegulatoryAssetsAndLiabilitiesDisclosureAbstract to us-gaap_RegulatoryAssetsAndLiabilitiesDisclosureAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatoryLiabilitiesLineItems" xlink:label="RegulatoryLiabilitiesLineItems" xlink:title="RegulatoryLiabilitiesLineItems" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RegulatoryLiabilitiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RegulatoryLiabilitiesLineItems_lbl" xml:lang="en-US" id="us-gaap_RegulatoryLiabilitiesLineItems_lbl">Regulatory Liabilities [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryLiabilitiesLineItems" xlink:to="us-gaap_RegulatoryLiabilitiesLineItems_lbl" xlink:title="label: RegulatoryLiabilitiesLineItems to us-gaap_RegulatoryLiabilitiesLineItems_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="RelatedPartyTransactionsAbstract" xlink:title="RelatedPartyTransactionsAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RelatedPartyTransactionsAbstract_lbl" xml:lang="en-US" id="us-gaap_RelatedPartyTransactionsAbstract_lbl">RELATED PARTY TRANSACTIONS [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RelatedPartyTransactionsAbstract" xlink:to="us-gaap_RelatedPartyTransactionsAbstract_lbl" xlink:title="label: RelatedPartyTransactionsAbstract to us-gaap_RelatedPartyTransactionsAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="RelatedPartyTransactionLineItems" xlink:title="RelatedPartyTransactionLineItems" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RelatedPartyTransactionLineItems_lbl" xml:lang="en-US" id="us-gaap_RelatedPartyTransactionLineItems_lbl">Related Party Transaction [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RelatedPartyTransactionLineItems" xlink:to="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:title="label: RelatedPartyTransactionLineItems to us-gaap_RelatedPartyTransactionLineItems_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RelatedPartyTransactionAmountsOfTransaction" xlink:label="RelatedPartyTransactionAmountsOfTransaction" xlink:title="RelatedPartyTransactionAmountsOfTransaction" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAmountsOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RelatedPartyTransactionAmountsOfTransaction_lbl" xml:lang="en-US" id="us-gaap_RelatedPartyTransactionAmountsOfTransaction_lbl">Agreements to modify water treatment plants</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RelatedPartyTransactionAmountsOfTransaction" xlink:to="us-gaap_RelatedPartyTransactionAmountsOfTransaction_lbl" xlink:title="label: RelatedPartyTransactionAmountsOfTransaction to us-gaap_RelatedPartyTransactionAmountsOfTransaction_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="RelatedPartyDomain" xlink:title="RelatedPartyDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RelatedPartyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RelatedPartyDomain_lbl" xml:lang="en-US" id="us-gaap_RelatedPartyDomain_lbl">Related Party [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RelatedPartyDomain" xlink:to="us-gaap_RelatedPartyDomain_lbl" xlink:title="label: RelatedPartyDomain to us-gaap_RelatedPartyDomain_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="RelatedPartyTransactionsByRelatedPartyAxis" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:title="label: RelatedPartyTransactionsByRelatedPartyAxis to us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:label="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:title="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_lbl1" xlink:title="label: StockholdersEquity to us-gaap_StockholdersEquity_lbl1" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StockholdersEquityAbstract_lbl" xml:lang="en-US" id="us-gaap_StockholdersEquityAbstract_lbl">Stockholders' equity</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SubsequentEventTypeDomain" xlink:to="us-gaap_SubsequentEventTypeDomain_lbl" xlink:title="label: SubsequentEventTypeDomain to us-gaap_SubsequentEventTypeDomain_lbl" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SubsequentEventLineItems_lbl" xml:lang="en-US" id="us-gaap_SubsequentEventLineItems_lbl">Subsequent Event [Line Items]</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SubsequentEventsAbstract" xlink:to="us-gaap_SubsequentEventsAbstract_lbl" xlink:title="label: SubsequentEventsAbstract to us-gaap_SubsequentEventsAbstract_lbl" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SubsequentEventTypeAxis_lbl" xml:lang="en-US" id="us-gaap_SubsequentEventTypeAxis_lbl">Subsequent Event Type [Axis]</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SubsequentEventMember" xlink:to="us-gaap_SubsequentEventMember_lbl" xlink:title="label: SubsequentEventMember to us-gaap_SubsequentEventMember_lbl" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UnregulatedOperationMember" xlink:label="UnregulatedOperationMember" xlink:title="UnregulatedOperationMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_UnregulatedOperationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_UnregulatedOperationMember_lbl" xml:lang="en-US" id="us-gaap_UnregulatedOperationMember_lbl">Non-Regulated Revenue [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UnregulatedOperationMember" xlink:to="us-gaap_UnregulatedOperationMember_lbl" xlink:title="label: UnregulatedOperationMember to us-gaap_UnregulatedOperationMember_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UtilitiesOperatingExpense" xlink:label="UtilitiesOperatingExpense" xlink:title="UtilitiesOperatingExpense" />
    <link:label xlink:type="resource" xlink:label="us-gaap_UtilitiesOperatingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_UtilitiesOperatingExpense_lbl" xml:lang="en-US" id="us-gaap_UtilitiesOperatingExpense_lbl">Utility operating expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UtilitiesOperatingExpense" xlink:to="us-gaap_UtilitiesOperatingExpense_lbl" xlink:title="label: UtilitiesOperatingExpense to us-gaap_UtilitiesOperatingExpense_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="WeightedAverageNumberOfSharesOutstandingBasic" xlink:title="WeightedAverageNumberOfSharesOutstandingBasic" />
    <link:label xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xml:lang="en-US" id="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl">Basic (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:title="label: WeightedAverageNumberOfSharesOutstandingBasic to us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl1" xml:lang="en-US" id="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl1">Weighted average common shares outstanding during the period for Basic computation (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl1" xlink:title="label: WeightedAverageNumberOfSharesOutstandingBasic to us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:title="WeightedAverageNumberOfDilutedSharesOutstanding" />
    <link:label xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xml:lang="en-US" id="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl">Diluted (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:title="label: WeightedAverageNumberOfDilutedSharesOutstanding to us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl1" xml:lang="en-US" id="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl1">Weighted average common shares outstanding during the period for Diluted computation (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl1" xlink:title="label: WeightedAverageNumberOfDilutedSharesOutstanding to us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract" xlink:label="WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract" xlink:title="WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_lbl" xml:lang="en-US" id="us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_lbl">Shares used in computing basic and diluted net income per share [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_lbl" xlink:title="label: WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract to us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="WeightedAverageNumberOfSharesOutstandingAbstract" xlink:title="WeightedAverageNumberOfSharesOutstandingAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl" xml:lang="en-US" id="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl">Weighted average common shares outstanding:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl" xlink:title="label: WeightedAverageNumberOfSharesOutstandingAbstract to us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MaximumMember" xlink:label="MaximumMember" xlink:title="MaximumMember" />
    <link:label xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="srt_MaximumMember_lbl" xml:lang="en-US" id="srt_MaximumMember_lbl">Maximum [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaximumMember" xlink:to="srt_MaximumMember_lbl" xlink:title="label: MaximumMember to srt_MaximumMember_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MinimumMember" xlink:label="MinimumMember" xlink:title="MinimumMember" />
    <link:label xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="srt_MinimumMember_lbl" xml:lang="en-US" id="srt_MinimumMember_lbl">Minimum [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MinimumMember" xlink:to="srt_MinimumMember_lbl" xlink:title="label: MinimumMember to srt_MinimumMember_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="ProductsAndServicesDomain" xlink:title="ProductsAndServicesDomain" />
    <link:label xlink:type="resource" xlink:label="srt_ProductsAndServicesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="srt_ProductsAndServicesDomain_lbl" xml:lang="en-US" id="srt_ProductsAndServicesDomain_lbl">Products and Services [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProductsAndServicesDomain" xlink:to="srt_ProductsAndServicesDomain_lbl" xlink:title="label: ProductsAndServicesDomain to srt_ProductsAndServicesDomain_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="ProductOrServiceAxis" xlink:title="ProductOrServiceAxis" />
    <link:label xlink:type="resource" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="srt_ProductOrServiceAxis_lbl" xml:lang="en-US" id="srt_ProductOrServiceAxis_lbl">Products and Services [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProductOrServiceAxis" xlink:to="srt_ProductOrServiceAxis_lbl" xlink:title="label: ProductOrServiceAxis to srt_ProductOrServiceAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RangeMember" xlink:label="RangeMember" xlink:title="RangeMember" />
    <link:label xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="srt_RangeMember_lbl" xml:lang="en-US" id="srt_RangeMember_lbl">Range [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeMember" xlink:to="srt_RangeMember_lbl" xlink:title="label: RangeMember to srt_RangeMember_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RangeAxis" xlink:label="RangeAxis" xlink:title="RangeAxis" />
    <link:label xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="srt_RangeAxis_lbl" xml:lang="en-US" id="srt_RangeAxis_lbl">Range [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeAxis" xlink:to="srt_RangeAxis_lbl" xlink:title="label: RangeAxis to srt_RangeAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:label="RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:title="RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:to="srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_lbl" xlink:title="label: RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis to srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:label="RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:title="RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" />
    <link:label xlink:type="resource" xlink:label="srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_lbl" xml:lang="en-US" id="srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_lbl">Facilities [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:to="srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_lbl" xlink:title="label: RealEstateAndAccumulatedDepreciationNameOfPropertyDomain to srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_SegmentGeographicalDomain" xlink:label="SegmentGeographicalDomain" xlink:title="SegmentGeographicalDomain" />
    <link:label xlink:type="resource" xlink:label="srt_SegmentGeographicalDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="srt_SegmentGeographicalDomain_lbl" xml:lang="en-US" id="srt_SegmentGeographicalDomain_lbl">Geographical [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SegmentGeographicalDomain" xlink:to="srt_SegmentGeographicalDomain_lbl" xlink:title="label: SegmentGeographicalDomain to srt_SegmentGeographicalDomain_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_StatementGeographicalAxis" xlink:label="StatementGeographicalAxis" xlink:title="StatementGeographicalAxis" />
    <link:label xlink:type="resource" xlink:label="srt_StatementGeographicalAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="srt_StatementGeographicalAxis_lbl" xml:lang="en-US" id="srt_StatementGeographicalAxis_lbl">Geographical [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementGeographicalAxis" xlink:to="srt_StatementGeographicalAxis_lbl" xlink:title="label: StatementGeographicalAxis to srt_StatementGeographicalAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd#stpr_DE" xlink:label="DE" xlink:title="DE" />
    <link:label xlink:type="resource" xlink:label="stpr_DE_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="stpr_DE_lbl" xml:lang="en-US" id="stpr_DE_lbl">Delaware [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DE" xlink:to="stpr_DE_lbl" xlink:title="label: DE to stpr_DE_lbl" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd#stpr_MD" xlink:label="MD" xlink:title="MD" />
    <link:label xlink:type="resource" xlink:label="stpr_MD_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="stpr_MD_lbl" xml:lang="en-US" id="stpr_MD_lbl">Maryland [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MD" xlink:to="stpr_MD_lbl" xlink:title="label: MD to stpr_MD_lbl" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue" />
    <link:label xlink:type="resource" xlink:label="artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue_lbl" xml:lang="en-US" id="artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue_lbl">Share based compensation arrangement by share based payment award options grants in period aggregate intrinsic value.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue" xlink:to="artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue to artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue_lbl1" xml:lang="en-US" id="artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue_lbl1">Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Aggregate Intrinsic Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue" xlink:to="artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue_lbl1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue to artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue_lbl2" xml:lang="en-US" id="artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue_lbl2">Granted, aggregate intrinsic value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue" xlink:to="artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue_lbl2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue to artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodAggregateIntrinsicValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodAggregateIntrinsicValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodAggregateIntrinsicValue" />
    <link:label xlink:type="resource" xlink:label="artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodAggregateIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodAggregateIntrinsicValue_lbl" xml:lang="en-US" id="artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodAggregateIntrinsicValue_lbl">The aggregate intrinsic value of the accumulated differences between the fair values on underlying shares and exercises prices to acquire such shares as of the grant date on options that were either forfeited or lapsed.</link:label>
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    <link:label xlink:type="resource" xlink:label="artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodAggregateIntrinsicValue_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodAggregateIntrinsicValue_lbl1" xml:lang="en-US" id="artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodAggregateIntrinsicValue_lbl1">Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Aggregate Intrinsic Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodAggregateIntrinsicValue" xlink:to="artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodAggregateIntrinsicValue_lbl1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodAggregateIntrinsicValue to artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodAggregateIntrinsicValue_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodAggregateIntrinsicValue_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodAggregateIntrinsicValue_lbl2" xml:lang="en-US" id="artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodAggregateIntrinsicValue_lbl2">Expired/cancelled, aggregate intrinsic value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodAggregateIntrinsicValue" xlink:to="artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodAggregateIntrinsicValue_lbl2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodAggregateIntrinsicValue to artna_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodAggregateIntrinsicValue_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_NumberOfDirectorsInCommittee" xlink:label="NumberOfDirectorsInCommittee" xlink:title="NumberOfDirectorsInCommittee" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfDirectorsInCommittee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_NumberOfDirectorsInCommittee_lbl" xml:lang="en-US" id="artna_NumberOfDirectorsInCommittee_lbl">Represents number of directors in committee.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfDirectorsInCommittee" xlink:to="artna_NumberOfDirectorsInCommittee_lbl" xlink:title="label: NumberOfDirectorsInCommittee to artna_NumberOfDirectorsInCommittee_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfDirectorsInCommittee_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_NumberOfDirectorsInCommittee_lbl1" xml:lang="en-US" id="artna_NumberOfDirectorsInCommittee_lbl1">Number of directors in committee</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfDirectorsInCommittee" xlink:to="artna_NumberOfDirectorsInCommittee_lbl1" xlink:title="label: NumberOfDirectorsInCommittee to artna_NumberOfDirectorsInCommittee_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfDirectorsInCommittee_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_NumberOfDirectorsInCommittee_lbl2" xml:lang="en-US" id="artna_NumberOfDirectorsInCommittee_lbl2">Number of directors in committee</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfDirectorsInCommittee" xlink:to="artna_NumberOfDirectorsInCommittee_lbl2" xlink:title="label: NumberOfDirectorsInCommittee to artna_NumberOfDirectorsInCommittee_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_Two015EquityCompensationPlanMember" xlink:label="Two015EquityCompensationPlanMember" xlink:title="Two015EquityCompensationPlanMember" />
    <link:label xlink:type="resource" xlink:label="artna_Two015EquityCompensationPlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_Two015EquityCompensationPlanMember_lbl" xml:lang="en-US" id="artna_Two015EquityCompensationPlanMember_lbl">Equity-based payment arrangement where one or more employees receive shares of stock (units), stock (unit) options, or other equity instruments, or the employer incurs a liability to the employee in amounts based on the price of the employer's stock (unit).</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Two015EquityCompensationPlanMember" xlink:to="artna_Two015EquityCompensationPlanMember_lbl" xlink:title="label: Two015EquityCompensationPlanMember to artna_Two015EquityCompensationPlanMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_Two015EquityCompensationPlanMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_Two015EquityCompensationPlanMember_lbl1" xml:lang="en-US" id="artna_Two015EquityCompensationPlanMember_lbl1">2015 Equity Compensation Plan [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Two015EquityCompensationPlanMember" xlink:to="artna_Two015EquityCompensationPlanMember_lbl1" xlink:title="label: Two015EquityCompensationPlanMember to artna_Two015EquityCompensationPlanMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_RegulatoryAssetsTextBlock" xlink:label="RegulatoryAssetsTextBlock" xlink:title="RegulatoryAssetsTextBlock" />
    <link:label xlink:type="resource" xlink:label="artna_RegulatoryAssetsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_RegulatoryAssetsTextBlock_lbl" xml:lang="en-US" id="artna_RegulatoryAssetsTextBlock_lbl">The entire disclosure of assets that are created when regulatory agencies permit public utilities to defer certain costs included in rate-setting to the balance sheet.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryAssetsTextBlock" xlink:to="artna_RegulatoryAssetsTextBlock_lbl" xlink:title="label: RegulatoryAssetsTextBlock to artna_RegulatoryAssetsTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_RegulatoryAssetsTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_RegulatoryAssetsTextBlock_lbl1" xml:lang="en-US" id="artna_RegulatoryAssetsTextBlock_lbl1">REGULATORY ASSETS [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryAssetsTextBlock" xlink:to="artna_RegulatoryAssetsTextBlock_lbl1" xlink:title="label: RegulatoryAssetsTextBlock to artna_RegulatoryAssetsTextBlock_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_RegulatoryAssetsTextBlock_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="artna_RegulatoryAssetsTextBlock_lbl2" xml:lang="en-US" id="artna_RegulatoryAssetsTextBlock_lbl2">REGULATORY ASSETS</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryAssetsTextBlock" xlink:to="artna_RegulatoryAssetsTextBlock_lbl2" xlink:title="label: RegulatoryAssetsTextBlock to artna_RegulatoryAssetsTextBlock_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_AmortizationPeriodOfOtherRegulatoryExpenseAbstract" xlink:label="AmortizationPeriodOfOtherRegulatoryExpenseAbstract" xlink:title="AmortizationPeriodOfOtherRegulatoryExpenseAbstract" />
    <link:label xlink:type="resource" xlink:label="artna_AmortizationPeriodOfOtherRegulatoryExpenseAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_AmortizationPeriodOfOtherRegulatoryExpenseAbstract_lbl1" xml:lang="en-US" id="artna_AmortizationPeriodOfOtherRegulatoryExpenseAbstract_lbl1">Amortization Period of Other Regulatory Expense [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmortizationPeriodOfOtherRegulatoryExpenseAbstract" xlink:to="artna_AmortizationPeriodOfOtherRegulatoryExpenseAbstract_lbl1" xlink:title="label: AmortizationPeriodOfOtherRegulatoryExpenseAbstract to artna_AmortizationPeriodOfOtherRegulatoryExpenseAbstract_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_AmortizationPeriodOfOtherRegulatoryExpenseAbstract_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_AmortizationPeriodOfOtherRegulatoryExpenseAbstract_lbl2" xml:lang="en-US" id="artna_AmortizationPeriodOfOtherRegulatoryExpenseAbstract_lbl2">Amortization period of other regulatory expense [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmortizationPeriodOfOtherRegulatoryExpenseAbstract" xlink:to="artna_AmortizationPeriodOfOtherRegulatoryExpenseAbstract_lbl2" xlink:title="label: AmortizationPeriodOfOtherRegulatoryExpenseAbstract to artna_AmortizationPeriodOfOtherRegulatoryExpenseAbstract_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_AmortizationPeriodOfDeferredAcquisitionCosts" xlink:label="AmortizationPeriodOfDeferredAcquisitionCosts" xlink:title="AmortizationPeriodOfDeferredAcquisitionCosts" />
    <link:label xlink:type="resource" xlink:label="artna_AmortizationPeriodOfDeferredAcquisitionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_AmortizationPeriodOfDeferredAcquisitionCosts_lbl" xml:lang="en-US" id="artna_AmortizationPeriodOfDeferredAcquisitionCosts_lbl">Period over which regulatory noncurrent asset for deferred acquisition costs amortized.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmortizationPeriodOfDeferredAcquisitionCosts" xlink:to="artna_AmortizationPeriodOfDeferredAcquisitionCosts_lbl" xlink:title="label: AmortizationPeriodOfDeferredAcquisitionCosts to artna_AmortizationPeriodOfDeferredAcquisitionCosts_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_AmortizationPeriodOfDeferredAcquisitionCosts_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_AmortizationPeriodOfDeferredAcquisitionCosts_lbl1" xml:lang="en-US" id="artna_AmortizationPeriodOfDeferredAcquisitionCosts_lbl1">Amortization period of deferred acquisition costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmortizationPeriodOfDeferredAcquisitionCosts" xlink:to="artna_AmortizationPeriodOfDeferredAcquisitionCosts_lbl1" xlink:title="label: AmortizationPeriodOfDeferredAcquisitionCosts to artna_AmortizationPeriodOfDeferredAcquisitionCosts_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_AmortizationPeriodOfDeferredAcquisitionCosts_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_AmortizationPeriodOfDeferredAcquisitionCosts_lbl2" xml:lang="en-US" id="artna_AmortizationPeriodOfDeferredAcquisitionCosts_lbl2">Deferred acquisition costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmortizationPeriodOfDeferredAcquisitionCosts" xlink:to="artna_AmortizationPeriodOfDeferredAcquisitionCosts_lbl2" xlink:title="label: AmortizationPeriodOfDeferredAcquisitionCosts to artna_AmortizationPeriodOfDeferredAcquisitionCosts_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_AmortizationPeriodOfDebtRelatedCost" xlink:label="AmortizationPeriodOfDebtRelatedCost" xlink:title="AmortizationPeriodOfDebtRelatedCost" />
    <link:label xlink:type="resource" xlink:label="artna_AmortizationPeriodOfDebtRelatedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_AmortizationPeriodOfDebtRelatedCost_lbl" xml:lang="en-US" id="artna_AmortizationPeriodOfDebtRelatedCost_lbl">Represents amortization period of debt related cost.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmortizationPeriodOfDebtRelatedCost" xlink:to="artna_AmortizationPeriodOfDebtRelatedCost_lbl" xlink:title="label: AmortizationPeriodOfDebtRelatedCost to artna_AmortizationPeriodOfDebtRelatedCost_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_AmortizationPeriodOfDebtRelatedCost_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_AmortizationPeriodOfDebtRelatedCost_lbl1" xml:lang="en-US" id="artna_AmortizationPeriodOfDebtRelatedCost_lbl1">Amortization period of debt related cost</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmortizationPeriodOfDebtRelatedCost" xlink:to="artna_AmortizationPeriodOfDebtRelatedCost_lbl1" xlink:title="label: AmortizationPeriodOfDebtRelatedCost to artna_AmortizationPeriodOfDebtRelatedCost_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_AmortizationPeriodOfDebtRelatedCost_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_AmortizationPeriodOfDebtRelatedCost_lbl2" xml:lang="en-US" id="artna_AmortizationPeriodOfDebtRelatedCost_lbl2">Debt related cost</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmortizationPeriodOfDebtRelatedCost" xlink:to="artna_AmortizationPeriodOfDebtRelatedCost_lbl2" xlink:title="label: AmortizationPeriodOfDebtRelatedCost to artna_AmortizationPeriodOfDebtRelatedCost_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_AmortizationPeriodOfDeferredFranchiseCosts" xlink:label="AmortizationPeriodOfDeferredFranchiseCosts" xlink:title="AmortizationPeriodOfDeferredFranchiseCosts" />
    <link:label xlink:type="resource" xlink:label="artna_AmortizationPeriodOfDeferredFranchiseCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_AmortizationPeriodOfDeferredFranchiseCosts_lbl" xml:lang="en-US" id="artna_AmortizationPeriodOfDeferredFranchiseCosts_lbl">Period over which regulatory noncurrent asset for deferred franchise costs amortized.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmortizationPeriodOfDeferredFranchiseCosts" xlink:to="artna_AmortizationPeriodOfDeferredFranchiseCosts_lbl" xlink:title="label: AmortizationPeriodOfDeferredFranchiseCosts to artna_AmortizationPeriodOfDeferredFranchiseCosts_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_AmortizationPeriodOfDeferredFranchiseCosts_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_AmortizationPeriodOfDeferredFranchiseCosts_lbl1" xml:lang="en-US" id="artna_AmortizationPeriodOfDeferredFranchiseCosts_lbl1">Amortization period of deferred franchise costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmortizationPeriodOfDeferredFranchiseCosts" xlink:to="artna_AmortizationPeriodOfDeferredFranchiseCosts_lbl1" xlink:title="label: AmortizationPeriodOfDeferredFranchiseCosts to artna_AmortizationPeriodOfDeferredFranchiseCosts_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_AmortizationPeriodOfDeferredFranchiseCosts_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_AmortizationPeriodOfDeferredFranchiseCosts_lbl2" xml:lang="en-US" id="artna_AmortizationPeriodOfDeferredFranchiseCosts_lbl2">Franchise costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmortizationPeriodOfDeferredFranchiseCosts" xlink:to="artna_AmortizationPeriodOfDeferredFranchiseCosts_lbl2" xlink:title="label: AmortizationPeriodOfDeferredFranchiseCosts to artna_AmortizationPeriodOfDeferredFranchiseCosts_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_AmortizationPeriodGoodwill" xlink:label="AmortizationPeriodGoodwill" xlink:title="AmortizationPeriodGoodwill" />
    <link:label xlink:type="resource" xlink:label="artna_AmortizationPeriodGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_AmortizationPeriodGoodwill_lbl" xml:lang="en-US" id="artna_AmortizationPeriodGoodwill_lbl">Period over which regulatory noncurrent assets for goodwill is amortized on a straight-line basis.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmortizationPeriodGoodwill" xlink:to="artna_AmortizationPeriodGoodwill_lbl" xlink:title="label: AmortizationPeriodGoodwill to artna_AmortizationPeriodGoodwill_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_AmortizationPeriodGoodwill_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_AmortizationPeriodGoodwill_lbl1" xml:lang="en-US" id="artna_AmortizationPeriodGoodwill_lbl1">Amortization Period, Goodwill</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmortizationPeriodGoodwill" xlink:to="artna_AmortizationPeriodGoodwill_lbl1" xlink:title="label: AmortizationPeriodGoodwill to artna_AmortizationPeriodGoodwill_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_AmortizationPeriodGoodwill_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="artna_AmortizationPeriodGoodwill_lbl2" xml:lang="en-US" id="artna_AmortizationPeriodGoodwill_lbl2">Goodwill</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmortizationPeriodGoodwill" xlink:to="artna_AmortizationPeriodGoodwill_lbl2" xlink:title="label: AmortizationPeriodGoodwill to artna_AmortizationPeriodGoodwill_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_AmortizationPeriodOfRegulatoryRateProceedingsAndApplications" xlink:label="AmortizationPeriodOfRegulatoryRateProceedingsAndApplications" xlink:title="AmortizationPeriodOfRegulatoryRateProceedingsAndApplications" />
    <link:label xlink:type="resource" xlink:label="artna_AmortizationPeriodOfRegulatoryRateProceedingsAndApplications_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_AmortizationPeriodOfRegulatoryRateProceedingsAndApplications_lbl" xml:lang="en-US" id="artna_AmortizationPeriodOfRegulatoryRateProceedingsAndApplications_lbl">Description of the amortization period for recovery of the individual regulatory noncurrent assets related to other expenses in a schedule of regulatory noncurrent assets.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmortizationPeriodOfRegulatoryRateProceedingsAndApplications" xlink:to="artna_AmortizationPeriodOfRegulatoryRateProceedingsAndApplications_lbl" xlink:title="label: AmortizationPeriodOfRegulatoryRateProceedingsAndApplications to artna_AmortizationPeriodOfRegulatoryRateProceedingsAndApplications_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_AmortizationPeriodOfRegulatoryRateProceedingsAndApplications_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_AmortizationPeriodOfRegulatoryRateProceedingsAndApplications_lbl1" xml:lang="en-US" id="artna_AmortizationPeriodOfRegulatoryRateProceedingsAndApplications_lbl1">Amortization Period of Regulatory Rate Proceedings and Applications</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmortizationPeriodOfRegulatoryRateProceedingsAndApplications" xlink:to="artna_AmortizationPeriodOfRegulatoryRateProceedingsAndApplications_lbl1" xlink:title="label: AmortizationPeriodOfRegulatoryRateProceedingsAndApplications to artna_AmortizationPeriodOfRegulatoryRateProceedingsAndApplications_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_AmortizationPeriodOfRegulatoryRateProceedingsAndApplications_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_AmortizationPeriodOfRegulatoryRateProceedingsAndApplications_lbl2" xml:lang="en-US" id="artna_AmortizationPeriodOfRegulatoryRateProceedingsAndApplications_lbl2">Regulatory rate proceedings</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmortizationPeriodOfRegulatoryRateProceedingsAndApplications" xlink:to="artna_AmortizationPeriodOfRegulatoryRateProceedingsAndApplications_lbl2" xlink:title="label: AmortizationPeriodOfRegulatoryRateProceedingsAndApplications to artna_AmortizationPeriodOfRegulatoryRateProceedingsAndApplications_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_SummaryOfRegulatoryAssetsNetOfAmortizationCompriseAbstract" xlink:label="SummaryOfRegulatoryAssetsNetOfAmortizationCompriseAbstract" xlink:title="SummaryOfRegulatoryAssetsNetOfAmortizationCompriseAbstract" />
    <link:label xlink:type="resource" xlink:label="artna_SummaryOfRegulatoryAssetsNetOfAmortizationCompriseAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_SummaryOfRegulatoryAssetsNetOfAmortizationCompriseAbstract_lbl1" xml:lang="en-US" id="artna_SummaryOfRegulatoryAssetsNetOfAmortizationCompriseAbstract_lbl1">Summary of regulatory assets net of amortization, comprise [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SummaryOfRegulatoryAssetsNetOfAmortizationCompriseAbstract" xlink:to="artna_SummaryOfRegulatoryAssetsNetOfAmortizationCompriseAbstract_lbl1" xlink:title="label: SummaryOfRegulatoryAssetsNetOfAmortizationCompriseAbstract to artna_SummaryOfRegulatoryAssetsNetOfAmortizationCompriseAbstract_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_SummaryOfRegulatoryAssetsNetOfAmortizationCompriseAbstract_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_SummaryOfRegulatoryAssetsNetOfAmortizationCompriseAbstract_lbl2" xml:lang="en-US" id="artna_SummaryOfRegulatoryAssetsNetOfAmortizationCompriseAbstract_lbl2">Regulatory assets net of amortization, comprise [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SummaryOfRegulatoryAssetsNetOfAmortizationCompriseAbstract" xlink:to="artna_SummaryOfRegulatoryAssetsNetOfAmortizationCompriseAbstract_lbl2" xlink:title="label: SummaryOfRegulatoryAssetsNetOfAmortizationCompriseAbstract to artna_SummaryOfRegulatoryAssetsNetOfAmortizationCompriseAbstract_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_DebtRelatedCostsMember" xlink:label="DebtRelatedCostsMember" xlink:title="DebtRelatedCostsMember" />
    <link:label xlink:type="resource" xlink:label="artna_DebtRelatedCostsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_DebtRelatedCostsMember_lbl" xml:lang="en-US" id="artna_DebtRelatedCostsMember_lbl">For an unclassified balance sheet, the carrying amount (net of accumulated amortization) as of the balance sheet date of capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtRelatedCostsMember" xlink:to="artna_DebtRelatedCostsMember_lbl" xlink:title="label: DebtRelatedCostsMember to artna_DebtRelatedCostsMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_DebtRelatedCostsMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_DebtRelatedCostsMember_lbl1" xml:lang="en-US" id="artna_DebtRelatedCostsMember_lbl1">Debt Related Costs [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtRelatedCostsMember" xlink:to="artna_DebtRelatedCostsMember_lbl1" xlink:title="label: DebtRelatedCostsMember to artna_DebtRelatedCostsMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_DeferredAcquisitionAndFranchiseCostsMember" xlink:label="DeferredAcquisitionAndFranchiseCostsMember" xlink:title="DeferredAcquisitionAndFranchiseCostsMember" />
    <link:label xlink:type="resource" xlink:label="artna_DeferredAcquisitionAndFranchiseCostsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_DeferredAcquisitionAndFranchiseCostsMember_lbl" xml:lang="en-US" id="artna_DeferredAcquisitionAndFranchiseCostsMember_lbl">Regulatory deferred acquisition and franchise costs.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredAcquisitionAndFranchiseCostsMember" xlink:to="artna_DeferredAcquisitionAndFranchiseCostsMember_lbl" xlink:title="label: DeferredAcquisitionAndFranchiseCostsMember to artna_DeferredAcquisitionAndFranchiseCostsMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_DeferredAcquisitionAndFranchiseCostsMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_DeferredAcquisitionAndFranchiseCostsMember_lbl1" xml:lang="en-US" id="artna_DeferredAcquisitionAndFranchiseCostsMember_lbl1">Deferred acquisition and franchise costs [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredAcquisitionAndFranchiseCostsMember" xlink:to="artna_DeferredAcquisitionAndFranchiseCostsMember_lbl1" xlink:title="label: DeferredAcquisitionAndFranchiseCostsMember to artna_DeferredAcquisitionAndFranchiseCostsMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_DeferredAcquisitionAndFranchiseCostsMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_DeferredAcquisitionAndFranchiseCostsMember_lbl2" xml:lang="en-US" id="artna_DeferredAcquisitionAndFranchiseCostsMember_lbl2">Deferred Acquisition and Franchise Costs [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredAcquisitionAndFranchiseCostsMember" xlink:to="artna_DeferredAcquisitionAndFranchiseCostsMember_lbl2" xlink:title="label: DeferredAcquisitionAndFranchiseCostsMember to artna_DeferredAcquisitionAndFranchiseCostsMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_ExpenseOfRateAndRegulatoryProceedingsMember" xlink:label="ExpenseOfRateAndRegulatoryProceedingsMember" xlink:title="ExpenseOfRateAndRegulatoryProceedingsMember" />
    <link:label xlink:type="resource" xlink:label="artna_ExpenseOfRateAndRegulatoryProceedingsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_ExpenseOfRateAndRegulatoryProceedingsMember_lbl" xml:lang="en-US" id="artna_ExpenseOfRateAndRegulatoryProceedingsMember_lbl">Regulatory expense of rate and regulatory proceedings.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ExpenseOfRateAndRegulatoryProceedingsMember" xlink:to="artna_ExpenseOfRateAndRegulatoryProceedingsMember_lbl" xlink:title="label: ExpenseOfRateAndRegulatoryProceedingsMember to artna_ExpenseOfRateAndRegulatoryProceedingsMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_ExpenseOfRateAndRegulatoryProceedingsMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_ExpenseOfRateAndRegulatoryProceedingsMember_lbl1" xml:lang="en-US" id="artna_ExpenseOfRateAndRegulatoryProceedingsMember_lbl1">Expense of rate and regulatory proceedings [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ExpenseOfRateAndRegulatoryProceedingsMember" xlink:to="artna_ExpenseOfRateAndRegulatoryProceedingsMember_lbl1" xlink:title="label: ExpenseOfRateAndRegulatoryProceedingsMember to artna_ExpenseOfRateAndRegulatoryProceedingsMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_ExpenseOfRateAndRegulatoryProceedingsMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_ExpenseOfRateAndRegulatoryProceedingsMember_lbl2" xml:lang="en-US" id="artna_ExpenseOfRateAndRegulatoryProceedingsMember_lbl2">Expense of Rate and Regulatory Proceedings [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ExpenseOfRateAndRegulatoryProceedingsMember" xlink:to="artna_ExpenseOfRateAndRegulatoryProceedingsMember_lbl2" xlink:title="label: ExpenseOfRateAndRegulatoryProceedingsMember to artna_ExpenseOfRateAndRegulatoryProceedingsMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_RegulatoryAssetsDisclosureAbstract" xlink:label="RegulatoryAssetsDisclosureAbstract" xlink:title="RegulatoryAssetsDisclosureAbstract" />
    <link:label xlink:type="resource" xlink:label="artna_RegulatoryAssetsDisclosureAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_RegulatoryAssetsDisclosureAbstract_lbl1" xml:lang="en-US" id="artna_RegulatoryAssetsDisclosureAbstract_lbl1">Regulatory Assets Disclosure [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryAssetsDisclosureAbstract" xlink:to="artna_RegulatoryAssetsDisclosureAbstract_lbl1" xlink:title="label: RegulatoryAssetsDisclosureAbstract to artna_RegulatoryAssetsDisclosureAbstract_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_RegulatoryAssetsDisclosureAbstract_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_RegulatoryAssetsDisclosureAbstract_lbl2" xml:lang="en-US" id="artna_RegulatoryAssetsDisclosureAbstract_lbl2">Regulatory Assets [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryAssetsDisclosureAbstract" xlink:to="artna_RegulatoryAssetsDisclosureAbstract_lbl2" xlink:title="label: RegulatoryAssetsDisclosureAbstract to artna_RegulatoryAssetsDisclosureAbstract_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_WaterSalesMember" xlink:label="WaterSalesMember" xlink:title="WaterSalesMember" />
    <link:label xlink:type="resource" xlink:label="artna_WaterSalesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_WaterSalesMember_lbl" xml:lang="en-US" id="artna_WaterSalesMember_lbl">Product line consisting of water sales.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WaterSalesMember" xlink:to="artna_WaterSalesMember_lbl" xlink:title="label: WaterSalesMember to artna_WaterSalesMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_WaterSalesMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_WaterSalesMember_lbl1" xml:lang="en-US" id="artna_WaterSalesMember_lbl1">Water Sales [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WaterSalesMember" xlink:to="artna_WaterSalesMember_lbl1" xlink:title="label: WaterSalesMember to artna_WaterSalesMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_WaterSalesMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_WaterSalesMember_lbl2" xml:lang="en-US" id="artna_WaterSalesMember_lbl2">Water Sales [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WaterSalesMember" xlink:to="artna_WaterSalesMember_lbl2" xlink:title="label: WaterSalesMember to artna_WaterSalesMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_OtherUtilityOperatingRevenueMember" xlink:label="OtherUtilityOperatingRevenueMember" xlink:title="OtherUtilityOperatingRevenueMember" />
    <link:label xlink:type="resource" xlink:label="artna_OtherUtilityOperatingRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_OtherUtilityOperatingRevenueMember_lbl" xml:lang="en-US" id="artna_OtherUtilityOperatingRevenueMember_lbl">Product line consisting of other utility operating revenue.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherUtilityOperatingRevenueMember" xlink:to="artna_OtherUtilityOperatingRevenueMember_lbl" xlink:title="label: OtherUtilityOperatingRevenueMember to artna_OtherUtilityOperatingRevenueMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_OtherUtilityOperatingRevenueMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_OtherUtilityOperatingRevenueMember_lbl1" xml:lang="en-US" id="artna_OtherUtilityOperatingRevenueMember_lbl1">Other Utility Operating Revenue [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherUtilityOperatingRevenueMember" xlink:to="artna_OtherUtilityOperatingRevenueMember_lbl1" xlink:title="label: OtherUtilityOperatingRevenueMember to artna_OtherUtilityOperatingRevenueMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_OtherUtilityOperatingRevenueMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_OtherUtilityOperatingRevenueMember_lbl2" xml:lang="en-US" id="artna_OtherUtilityOperatingRevenueMember_lbl2">Other Utility Operating Revenue [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherUtilityOperatingRevenueMember" xlink:to="artna_OtherUtilityOperatingRevenueMember_lbl2" xlink:title="label: OtherUtilityOperatingRevenueMember to artna_OtherUtilityOperatingRevenueMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_NonUtilityOperatingRevenueMember" xlink:label="NonUtilityOperatingRevenueMember" xlink:title="NonUtilityOperatingRevenueMember" />
    <link:label xlink:type="resource" xlink:label="artna_NonUtilityOperatingRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_NonUtilityOperatingRevenueMember_lbl" xml:lang="en-US" id="artna_NonUtilityOperatingRevenueMember_lbl">Product line consisting of non-utility operating revenue.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonUtilityOperatingRevenueMember" xlink:to="artna_NonUtilityOperatingRevenueMember_lbl" xlink:title="label: NonUtilityOperatingRevenueMember to artna_NonUtilityOperatingRevenueMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_NonUtilityOperatingRevenueMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_NonUtilityOperatingRevenueMember_lbl1" xml:lang="en-US" id="artna_NonUtilityOperatingRevenueMember_lbl1">Non-Utility Operating Revenue [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonUtilityOperatingRevenueMember" xlink:to="artna_NonUtilityOperatingRevenueMember_lbl1" xlink:title="label: NonUtilityOperatingRevenueMember to artna_NonUtilityOperatingRevenueMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_NonUtilityOperatingRevenueMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_NonUtilityOperatingRevenueMember_lbl2" xml:lang="en-US" id="artna_NonUtilityOperatingRevenueMember_lbl2">Non-Utility Operating Revenue [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonUtilityOperatingRevenueMember" xlink:to="artna_NonUtilityOperatingRevenueMember_lbl2" xlink:title="label: NonUtilityOperatingRevenueMember to artna_NonUtilityOperatingRevenueMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_NumberOfReservesEstablishedForUncertainTaxPositions" xlink:label="NumberOfReservesEstablishedForUncertainTaxPositions" xlink:title="NumberOfReservesEstablishedForUncertainTaxPositions" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfReservesEstablishedForUncertainTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_NumberOfReservesEstablishedForUncertainTaxPositions_lbl" xml:lang="en-US" id="artna_NumberOfReservesEstablishedForUncertainTaxPositions_lbl">Refers to the number of reserves established for uncertain tax positions based upon management's judgment as to the sustainability of these positions.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfReservesEstablishedForUncertainTaxPositions" xlink:to="artna_NumberOfReservesEstablishedForUncertainTaxPositions_lbl" xlink:title="label: NumberOfReservesEstablishedForUncertainTaxPositions to artna_NumberOfReservesEstablishedForUncertainTaxPositions_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfReservesEstablishedForUncertainTaxPositions_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_NumberOfReservesEstablishedForUncertainTaxPositions_lbl1" xml:lang="en-US" id="artna_NumberOfReservesEstablishedForUncertainTaxPositions_lbl1">Number of reserves established for uncertain tax positions</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfReservesEstablishedForUncertainTaxPositions" xlink:to="artna_NumberOfReservesEstablishedForUncertainTaxPositions_lbl1" xlink:title="label: NumberOfReservesEstablishedForUncertainTaxPositions to artna_NumberOfReservesEstablishedForUncertainTaxPositions_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense" xlink:label="TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense" xlink:title="TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense" />
    <link:label xlink:type="resource" xlink:label="artna_TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense_lbl" xml:lang="en-US" id="artna_TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense_lbl">Tax cuts and jobs act of 2017 percentage of limitations on deductibility of interest expense.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense" xlink:to="artna_TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense_lbl" xlink:title="label: TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense to artna_TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense_lbl1" xml:lang="en-US" id="artna_TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense_lbl1">Tax Cuts And Jobs Act Of 2017 Percentage Of Limitations On Deductibility Of Interest Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense" xlink:to="artna_TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense_lbl1" xlink:title="label: TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense to artna_TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense_lbl2" xml:lang="en-US" id="artna_TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense_lbl2">Percentage of limitations on deductibility of interest expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense" xlink:to="artna_TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense_lbl2" xlink:title="label: TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense to artna_TaxCutsAndJobsActOf2017PercentageOfLimitationsOnDeductibilityOfInterestExpense_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod" xlink:label="TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod" xlink:title="TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod" />
    <link:label xlink:type="resource" xlink:label="artna_TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod_lbl" xml:lang="en-US" id="artna_TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod_lbl">Tax cuts and jobs act provisional amounts measurement period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod" xlink:to="artna_TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod_lbl" xlink:title="label: TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod to artna_TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod_lbl1" xml:lang="en-US" id="artna_TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod_lbl1">Tax Cuts And Jobs Act Provisional Amounts Measurement Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod" xlink:to="artna_TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod_lbl1" xlink:title="label: TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod to artna_TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod_lbl2" xml:lang="en-US" id="artna_TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod_lbl2">Measurement period of provisional amounts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod" xlink:to="artna_TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod_lbl2" xlink:title="label: TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod to artna_TaxCutsAndJobsActProvisionalAmountsMeasurementPeriod_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_IncomeTaxAbstract" xlink:label="IncomeTaxAbstract" xlink:title="IncomeTaxAbstract" />
    <link:label xlink:type="resource" xlink:label="artna_IncomeTaxAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_IncomeTaxAbstract_lbl1" xml:lang="en-US" id="artna_IncomeTaxAbstract_lbl1">Income Tax [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxAbstract" xlink:to="artna_IncomeTaxAbstract_lbl1" xlink:title="label: IncomeTaxAbstract to artna_IncomeTaxAbstract_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_IncomeTaxAbstract_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_IncomeTaxAbstract_lbl2" xml:lang="en-US" id="artna_IncomeTaxAbstract_lbl2">Income Taxes [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxAbstract" xlink:to="artna_IncomeTaxAbstract_lbl2" xlink:title="label: IncomeTaxAbstract to artna_IncomeTaxAbstract_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_ScheduleOfAmortizationPeriodOfOtherRegulatoryExpenseTableTextBlock" xlink:label="ScheduleOfAmortizationPeriodOfOtherRegulatoryExpenseTableTextBlock" xlink:title="ScheduleOfAmortizationPeriodOfOtherRegulatoryExpenseTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="artna_ScheduleOfAmortizationPeriodOfOtherRegulatoryExpenseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_ScheduleOfAmortizationPeriodOfOtherRegulatoryExpenseTableTextBlock_lbl" xml:lang="en-US" id="artna_ScheduleOfAmortizationPeriodOfOtherRegulatoryExpenseTableTextBlock_lbl">Tabular disclosure of amortization period of other regulatory expense on a straight-line basis.</link:label>
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    <link:label xlink:type="resource" xlink:label="artna_ScheduleOfAmortizationPeriodOfOtherRegulatoryExpenseTableTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_ScheduleOfAmortizationPeriodOfOtherRegulatoryExpenseTableTextBlock_lbl1" xml:lang="en-US" id="artna_ScheduleOfAmortizationPeriodOfOtherRegulatoryExpenseTableTextBlock_lbl1">Schedule of Amortization Period of Other Regulatory Expense [Table Text Block]</link:label>
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    <link:label xlink:type="resource" xlink:label="artna_ScheduleOfAmortizationPeriodOfOtherRegulatoryExpenseTableTextBlock_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_ScheduleOfAmortizationPeriodOfOtherRegulatoryExpenseTableTextBlock_lbl2" xml:lang="en-US" id="artna_ScheduleOfAmortizationPeriodOfOtherRegulatoryExpenseTableTextBlock_lbl2">Amortization Period of Other Regulatory Expense</link:label>
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    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_NetAdvancesAndContributionsInAidOfConstruction" xlink:label="NetAdvancesAndContributionsInAidOfConstruction" xlink:title="NetAdvancesAndContributionsInAidOfConstruction" />
    <link:label xlink:type="resource" xlink:label="artna_NetAdvancesAndContributionsInAidOfConstruction_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_NetAdvancesAndContributionsInAidOfConstruction_lbl" xml:lang="en-US" id="artna_NetAdvancesAndContributionsInAidOfConstruction_lbl">Net increase(decrease) in the carrying amount of the payments received by a utility from its customers in advance of performing its obligations under terms of its construction agreements and in the amount developers, builders, governmental agencies and municipalities provide the entity with cash, or in some cases property, to extend its services to their properties. Nonrefundable contributions are recorded as contributions in aid of construction ("CIAC").</link:label>
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    <link:label xlink:type="resource" xlink:label="artna_NetAdvancesAndContributionsInAidOfConstruction_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_NetAdvancesAndContributionsInAidOfConstruction_lbl1" xml:lang="en-US" id="artna_NetAdvancesAndContributionsInAidOfConstruction_lbl1">Net Advances And Contributions In Aid Of Construction</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetAdvancesAndContributionsInAidOfConstruction" xlink:to="artna_NetAdvancesAndContributionsInAidOfConstruction_lbl1" xlink:title="label: NetAdvancesAndContributionsInAidOfConstruction to artna_NetAdvancesAndContributionsInAidOfConstruction_lbl1" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetAdvancesAndContributionsInAidOfConstruction" xlink:to="artna_NetAdvancesAndContributionsInAidOfConstruction_lbl2" xlink:title="label: NetAdvancesAndContributionsInAidOfConstruction to artna_NetAdvancesAndContributionsInAidOfConstruction_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory" xlink:label="PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory" xlink:title="PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory_lbl" xml:lang="en-US" id="artna_PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory_lbl">Percentage of Distribution System Improvement Charge rate increase application filed by company to regulatory.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory" xlink:to="artna_PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory_lbl" xlink:title="label: PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory to artna_PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory_lbl1" xml:lang="en-US" id="artna_PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory_lbl1">Percentage Of Distribution System Improvement Charge Rate Increase Application Filed By Company To Regulatory</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory" xlink:to="artna_PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory_lbl1" xlink:title="label: PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory to artna_PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="artna_PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory_lbl2" xml:lang="en-US" id="artna_PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory_lbl2">Cumulative DSIC Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory" xlink:to="artna_PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory_lbl2" xlink:title="label: PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory to artna_PercentageOfDistributionSystemImprovementChargeRateIncreaseApplicationFiledByCompanyToRegulatory_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease" xlink:label="IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease" xlink:title="IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease" />
    <link:label xlink:type="resource" xlink:label="artna_IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease_lbl" xml:lang="en-US" id="artna_IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease_lbl">Increase amount based on eligible plant improvements since the last rate increase.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease" xlink:to="artna_IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease_lbl" xlink:title="label: IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease to artna_IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease_lbl1" xml:lang="en-US" id="artna_IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease_lbl1">Increase Amount Based On Eligible Plant Improvements Since Last Rate Increase</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease" xlink:to="artna_IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease_lbl1" xlink:title="label: IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease to artna_IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease_lbl2" xml:lang="en-US" id="artna_IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease_lbl2">Eligible Plant Improvements - Cumulative Dollars</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease" xlink:to="artna_IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease_lbl2" xlink:title="label: IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease to artna_IncreaseAmountBasedOnEligiblePlantImprovementsSinceLastRateIncrease_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_RegulatoryProceedingsTable" xlink:label="RegulatoryProceedingsTable" xlink:title="RegulatoryProceedingsTable" />
    <link:label xlink:type="resource" xlink:label="artna_RegulatoryProceedingsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_RegulatoryProceedingsTable_lbl" xml:lang="en-US" id="artna_RegulatoryProceedingsTable_lbl">Tabular disclosure of regulatory proceedings associated with remediation of an individual site.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryProceedingsTable" xlink:to="artna_RegulatoryProceedingsTable_lbl" xlink:title="label: RegulatoryProceedingsTable to artna_RegulatoryProceedingsTable_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_RegulatoryProceedingsTable_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_RegulatoryProceedingsTable_lbl1" xml:lang="en-US" id="artna_RegulatoryProceedingsTable_lbl1">Regulatory Proceedings [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryProceedingsTable" xlink:to="artna_RegulatoryProceedingsTable_lbl1" xlink:title="label: RegulatoryProceedingsTable to artna_RegulatoryProceedingsTable_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_ArtesianWaterMember" xlink:label="ArtesianWaterMember" xlink:title="ArtesianWaterMember" />
    <link:label xlink:type="resource" xlink:label="artna_ArtesianWaterMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_ArtesianWaterMember_lbl" xml:lang="en-US" id="artna_ArtesianWaterMember_lbl">Wholly owned subsidiary of Artesian Resources.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ArtesianWaterMember" xlink:to="artna_ArtesianWaterMember_lbl" xlink:title="label: ArtesianWaterMember to artna_ArtesianWaterMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_ArtesianWaterMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_ArtesianWaterMember_lbl1" xml:lang="en-US" id="artna_ArtesianWaterMember_lbl1">Artesian Water [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ArtesianWaterMember" xlink:to="artna_ArtesianWaterMember_lbl1" xlink:title="label: ArtesianWaterMember to artna_ArtesianWaterMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_RegulatoryProceedingsLineItems" xlink:label="RegulatoryProceedingsLineItems" xlink:title="RegulatoryProceedingsLineItems" />
    <link:label xlink:type="resource" xlink:label="artna_RegulatoryProceedingsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_RegulatoryProceedingsLineItems_lbl" xml:lang="en-US" id="artna_RegulatoryProceedingsLineItems_lbl">Line items represent regulatory proceedings.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryProceedingsLineItems" xlink:to="artna_RegulatoryProceedingsLineItems_lbl" xlink:title="label: RegulatoryProceedingsLineItems to artna_RegulatoryProceedingsLineItems_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_RegulatoryProceedingsLineItems_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_RegulatoryProceedingsLineItems_lbl1" xml:lang="en-US" id="artna_RegulatoryProceedingsLineItems_lbl1">Regulatory Proceedings [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryProceedingsLineItems" xlink:to="artna_RegulatoryProceedingsLineItems_lbl1" xlink:title="label: RegulatoryProceedingsLineItems to artna_RegulatoryProceedingsLineItems_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_RateProceedingsAbstract" xlink:label="RateProceedingsAbstract" xlink:title="RateProceedingsAbstract" />
    <link:label xlink:type="resource" xlink:label="artna_RateProceedingsAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_RateProceedingsAbstract_lbl1" xml:lang="en-US" id="artna_RateProceedingsAbstract_lbl1">Rate Proceedings [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RateProceedingsAbstract" xlink:to="artna_RateProceedingsAbstract_lbl1" xlink:title="label: RateProceedingsAbstract to artna_RateProceedingsAbstract_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_PeriodToCompleteRateChangeApplicationCaseByLaw" xlink:label="PeriodToCompleteRateChangeApplicationCaseByLaw" xlink:title="PeriodToCompleteRateChangeApplicationCaseByLaw" />
    <link:label xlink:type="resource" xlink:label="artna_PeriodToCompleteRateChangeApplicationCaseByLaw_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_PeriodToCompleteRateChangeApplicationCaseByLaw_lbl" xml:lang="en-US" id="artna_PeriodToCompleteRateChangeApplicationCaseByLaw_lbl">Period within which rate change case is to complete, by law, after which, entire requested rate relief may go into effect.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PeriodToCompleteRateChangeApplicationCaseByLaw" xlink:to="artna_PeriodToCompleteRateChangeApplicationCaseByLaw_lbl" xlink:title="label: PeriodToCompleteRateChangeApplicationCaseByLaw to artna_PeriodToCompleteRateChangeApplicationCaseByLaw_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_PeriodToCompleteRateChangeApplicationCaseByLaw_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_PeriodToCompleteRateChangeApplicationCaseByLaw_lbl1" xml:lang="en-US" id="artna_PeriodToCompleteRateChangeApplicationCaseByLaw_lbl1">Period To Complete Rate Change Application Case By Law</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PeriodToCompleteRateChangeApplicationCaseByLaw" xlink:to="artna_PeriodToCompleteRateChangeApplicationCaseByLaw_lbl1" xlink:title="label: PeriodToCompleteRateChangeApplicationCaseByLaw to artna_PeriodToCompleteRateChangeApplicationCaseByLaw_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_PeriodToCompleteRateChangeApplicationCaseByLaw_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="artna_PeriodToCompleteRateChangeApplicationCaseByLaw_lbl2" xml:lang="en-US" id="artna_PeriodToCompleteRateChangeApplicationCaseByLaw_lbl2">Period to complete rate case by law</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PeriodToCompleteRateChangeApplicationCaseByLaw" xlink:to="artna_PeriodToCompleteRateChangeApplicationCaseByLaw_lbl2" xlink:title="label: PeriodToCompleteRateChangeApplicationCaseByLaw to artna_PeriodToCompleteRateChangeApplicationCaseByLaw_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_PercentageOfReliefIfRateCasePeriodConditionNotFulfill" xlink:label="PercentageOfReliefIfRateCasePeriodConditionNotFulfill" xlink:title="PercentageOfReliefIfRateCasePeriodConditionNotFulfill" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfReliefIfRateCasePeriodConditionNotFulfill_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_PercentageOfReliefIfRateCasePeriodConditionNotFulfill_lbl" xml:lang="en-US" id="artna_PercentageOfReliefIfRateCasePeriodConditionNotFulfill_lbl">Percentage of relief that utility may put into effect if condition for rate case period completion not fulfilled by law.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfReliefIfRateCasePeriodConditionNotFulfill" xlink:to="artna_PercentageOfReliefIfRateCasePeriodConditionNotFulfill_lbl" xlink:title="label: PercentageOfReliefIfRateCasePeriodConditionNotFulfill to artna_PercentageOfReliefIfRateCasePeriodConditionNotFulfill_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfReliefIfRateCasePeriodConditionNotFulfill_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_PercentageOfReliefIfRateCasePeriodConditionNotFulfill_lbl1" xml:lang="en-US" id="artna_PercentageOfReliefIfRateCasePeriodConditionNotFulfill_lbl1">Percentage Of Relief If Rate Case Period Condition Not Fulfill</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfReliefIfRateCasePeriodConditionNotFulfill" xlink:to="artna_PercentageOfReliefIfRateCasePeriodConditionNotFulfill_lbl1" xlink:title="label: PercentageOfReliefIfRateCasePeriodConditionNotFulfill to artna_PercentageOfReliefIfRateCasePeriodConditionNotFulfill_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfReliefIfRateCasePeriodConditionNotFulfill_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="artna_PercentageOfReliefIfRateCasePeriodConditionNotFulfill_lbl2" xml:lang="en-US" id="artna_PercentageOfReliefIfRateCasePeriodConditionNotFulfill_lbl2">Percentage of rate relief allowed should a rate case not complete</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfReliefIfRateCasePeriodConditionNotFulfill" xlink:to="artna_PercentageOfReliefIfRateCasePeriodConditionNotFulfill_lbl2" xlink:title="label: PercentageOfReliefIfRateCasePeriodConditionNotFulfill to artna_PercentageOfReliefIfRateCasePeriodConditionNotFulfill_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_AmountOfTemporaryRateIncreasePerRateSettingProcess" xlink:label="AmountOfTemporaryRateIncreasePerRateSettingProcess" xlink:title="AmountOfTemporaryRateIncreasePerRateSettingProcess" />
    <link:label xlink:type="resource" xlink:label="artna_AmountOfTemporaryRateIncreasePerRateSettingProcess_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_AmountOfTemporaryRateIncreasePerRateSettingProcess_lbl" xml:lang="en-US" id="artna_AmountOfTemporaryRateIncreasePerRateSettingProcess_lbl">For a first temporary increase in revenue basis, maximum temporary annual rate charge increase subject to specific gross water sales limitation.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmountOfTemporaryRateIncreasePerRateSettingProcess" xlink:to="artna_AmountOfTemporaryRateIncreasePerRateSettingProcess_lbl" xlink:title="label: AmountOfTemporaryRateIncreasePerRateSettingProcess to artna_AmountOfTemporaryRateIncreasePerRateSettingProcess_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_AmountOfTemporaryRateIncreasePerRateSettingProcess_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_AmountOfTemporaryRateIncreasePerRateSettingProcess_lbl1" xml:lang="en-US" id="artna_AmountOfTemporaryRateIncreasePerRateSettingProcess_lbl1">Amount Of Temporary Rate Increase Per Rate Setting Process</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmountOfTemporaryRateIncreasePerRateSettingProcess" xlink:to="artna_AmountOfTemporaryRateIncreasePerRateSettingProcess_lbl1" xlink:title="label: AmountOfTemporaryRateIncreasePerRateSettingProcess to artna_AmountOfTemporaryRateIncreasePerRateSettingProcess_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_AmountOfTemporaryRateIncreasePerRateSettingProcess_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="artna_AmountOfTemporaryRateIncreasePerRateSettingProcess_lbl2" xml:lang="en-US" id="artna_AmountOfTemporaryRateIncreasePerRateSettingProcess_lbl2">Temporary annual rate increase subject to 15% gross water sales limitation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmountOfTemporaryRateIncreasePerRateSettingProcess" xlink:to="artna_AmountOfTemporaryRateIncreasePerRateSettingProcess_lbl2" xlink:title="label: AmountOfTemporaryRateIncreasePerRateSettingProcess to artna_AmountOfTemporaryRateIncreasePerRateSettingProcess_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation" xlink:label="PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation" xlink:title="PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation_lbl" xml:lang="en-US" id="artna_PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation_lbl">For a first temporary annual rate increase in revenue basis, maximum percentage of gross water sales increase allowed subject to specific dollar amount limitation.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation" xlink:to="artna_PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation_lbl" xlink:title="label: PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation to artna_PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation_lbl1" xml:lang="en-US" id="artna_PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation_lbl1">Percentage Of Gross Water Sales Maximum Temporary Annual Rate Increase Subject To Ceiling Limitation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation" xlink:to="artna_PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation_lbl1" xlink:title="label: PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation to artna_PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="artna_PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation_lbl2" xml:lang="en-US" id="artna_PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation_lbl2">Percentage of gross water sales</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation" xlink:to="artna_PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation_lbl2" xlink:title="label: PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation to artna_PercentageOfGrossWaterSalesMaximumTemporaryAnnualRateIncreaseSubjectToCeilingLimitation_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_OtherProceedingsAbstract" xlink:label="OtherProceedingsAbstract" xlink:title="OtherProceedingsAbstract" />
    <link:label xlink:type="resource" xlink:label="artna_OtherProceedingsAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_OtherProceedingsAbstract_lbl1" xml:lang="en-US" id="artna_OtherProceedingsAbstract_lbl1">Other Proceedings [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherProceedingsAbstract" xlink:to="artna_OtherProceedingsAbstract_lbl1" xlink:title="label: OtherProceedingsAbstract to artna_OtherProceedingsAbstract_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_DistributionSystemImprovementChargeRateConditionalIncrease" xlink:label="DistributionSystemImprovementChargeRateConditionalIncrease" xlink:title="DistributionSystemImprovementChargeRateConditionalIncrease" />
    <link:label xlink:type="resource" xlink:label="artna_DistributionSystemImprovementChargeRateConditionalIncrease_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_DistributionSystemImprovementChargeRateConditionalIncrease_lbl" xml:lang="en-US" id="artna_DistributionSystemImprovementChargeRateConditionalIncrease_lbl">Conditional percentage maximum for increasing Distribution System Improvement Charge rate within a 12-month period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DistributionSystemImprovementChargeRateConditionalIncrease" xlink:to="artna_DistributionSystemImprovementChargeRateConditionalIncrease_lbl" xlink:title="label: DistributionSystemImprovementChargeRateConditionalIncrease to artna_DistributionSystemImprovementChargeRateConditionalIncrease_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_DistributionSystemImprovementChargeRateConditionalIncrease_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_DistributionSystemImprovementChargeRateConditionalIncrease_lbl1" xml:lang="en-US" id="artna_DistributionSystemImprovementChargeRateConditionalIncrease_lbl1">Distribution System Improvement Charge Rate Conditional Increase</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DistributionSystemImprovementChargeRateConditionalIncrease" xlink:to="artna_DistributionSystemImprovementChargeRateConditionalIncrease_lbl1" xlink:title="label: DistributionSystemImprovementChargeRateConditionalIncrease to artna_DistributionSystemImprovementChargeRateConditionalIncrease_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_DistributionSystemImprovementChargeRateConditionalIncrease_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="artna_DistributionSystemImprovementChargeRateConditionalIncrease_lbl2" xml:lang="en-US" id="artna_DistributionSystemImprovementChargeRateConditionalIncrease_lbl2">Distribution System Improvement Charge rate increase within a 12-month period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DistributionSystemImprovementChargeRateConditionalIncrease" xlink:to="artna_DistributionSystemImprovementChargeRateConditionalIncrease_lbl2" xlink:title="label: DistributionSystemImprovementChargeRateConditionalIncrease to artna_DistributionSystemImprovementChargeRateConditionalIncrease_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_DistributionSystemImprovementChargeRateCeilingPercentage" xlink:label="DistributionSystemImprovementChargeRateCeilingPercentage" xlink:title="DistributionSystemImprovementChargeRateCeilingPercentage" />
    <link:label xlink:type="resource" xlink:label="artna_DistributionSystemImprovementChargeRateCeilingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_DistributionSystemImprovementChargeRateCeilingPercentage_lbl" xml:lang="en-US" id="artna_DistributionSystemImprovementChargeRateCeilingPercentage_lbl">Ceiling percentage of Distribution System Improvement Charge rate subject to amount billed to customers.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DistributionSystemImprovementChargeRateCeilingPercentage" xlink:to="artna_DistributionSystemImprovementChargeRateCeilingPercentage_lbl" xlink:title="label: DistributionSystemImprovementChargeRateCeilingPercentage to artna_DistributionSystemImprovementChargeRateCeilingPercentage_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_DistributionSystemImprovementChargeRateCeilingPercentage_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_DistributionSystemImprovementChargeRateCeilingPercentage_lbl1" xml:lang="en-US" id="artna_DistributionSystemImprovementChargeRateCeilingPercentage_lbl1">Distribution System Improvement Charge Rate Ceiling Percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DistributionSystemImprovementChargeRateCeilingPercentage" xlink:to="artna_DistributionSystemImprovementChargeRateCeilingPercentage_lbl1" xlink:title="label: DistributionSystemImprovementChargeRateCeilingPercentage to artna_DistributionSystemImprovementChargeRateCeilingPercentage_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_DistributionSystemImprovementChargeRateCeilingPercentage_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="artna_DistributionSystemImprovementChargeRateCeilingPercentage_lbl2" xml:lang="en-US" id="artna_DistributionSystemImprovementChargeRateCeilingPercentage_lbl2">Distribution System Improvement Charge rate increase applied between base rate filings</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DistributionSystemImprovementChargeRateCeilingPercentage" xlink:to="artna_DistributionSystemImprovementChargeRateCeilingPercentage_lbl2" xlink:title="label: DistributionSystemImprovementChargeRateCeilingPercentage to artna_DistributionSystemImprovementChargeRateCeilingPercentage_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_RevenueEarnedInDistributionSystemImprovementCharge" xlink:label="RevenueEarnedInDistributionSystemImprovementCharge" xlink:title="RevenueEarnedInDistributionSystemImprovementCharge" />
    <link:label xlink:type="resource" xlink:label="artna_RevenueEarnedInDistributionSystemImprovementCharge_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_RevenueEarnedInDistributionSystemImprovementCharge_lbl" xml:lang="en-US" id="artna_RevenueEarnedInDistributionSystemImprovementCharge_lbl">Revenue earned due to Distribution System Improvement Charge rate increase.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevenueEarnedInDistributionSystemImprovementCharge" xlink:to="artna_RevenueEarnedInDistributionSystemImprovementCharge_lbl" xlink:title="label: RevenueEarnedInDistributionSystemImprovementCharge to artna_RevenueEarnedInDistributionSystemImprovementCharge_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_RevenueEarnedInDistributionSystemImprovementCharge_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_RevenueEarnedInDistributionSystemImprovementCharge_lbl1" xml:lang="en-US" id="artna_RevenueEarnedInDistributionSystemImprovementCharge_lbl1">Revenue Earned In Distribution System Improvement Charge</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevenueEarnedInDistributionSystemImprovementCharge" xlink:to="artna_RevenueEarnedInDistributionSystemImprovementCharge_lbl1" xlink:title="label: RevenueEarnedInDistributionSystemImprovementCharge to artna_RevenueEarnedInDistributionSystemImprovementCharge_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_RevenueEarnedInDistributionSystemImprovementCharge_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="artna_RevenueEarnedInDistributionSystemImprovementCharge_lbl2" xml:lang="en-US" id="artna_RevenueEarnedInDistributionSystemImprovementCharge_lbl2">Revenue earned in DSIC rate increases</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevenueEarnedInDistributionSystemImprovementCharge" xlink:to="artna_RevenueEarnedInDistributionSystemImprovementCharge_lbl2" xlink:title="label: RevenueEarnedInDistributionSystemImprovementCharge to artna_RevenueEarnedInDistributionSystemImprovementCharge_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_RevenueHeldInReservePendingOutcomeOfTCJAImpactToCustomers" xlink:label="RevenueHeldInReservePendingOutcomeOfTCJAImpactToCustomers" xlink:title="RevenueHeldInReservePendingOutcomeOfTCJAImpactToCustomers" />
    <link:label xlink:type="resource" xlink:label="artna_RevenueHeldInReservePendingOutcomeOfTCJAImpactToCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_RevenueHeldInReservePendingOutcomeOfTCJAImpactToCustomers_lbl" xml:lang="en-US" id="artna_RevenueHeldInReservePendingOutcomeOfTCJAImpactToCustomers_lbl">Revenue held in reserve for Distribution System Improvement Charge rate increases pending the outcome of TCJA impact to customers.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevenueHeldInReservePendingOutcomeOfTCJAImpactToCustomers" xlink:to="artna_RevenueHeldInReservePendingOutcomeOfTCJAImpactToCustomers_lbl" xlink:title="label: RevenueHeldInReservePendingOutcomeOfTCJAImpactToCustomers to artna_RevenueHeldInReservePendingOutcomeOfTCJAImpactToCustomers_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_RevenueHeldInReservePendingOutcomeOfTCJAImpactToCustomers_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_RevenueHeldInReservePendingOutcomeOfTCJAImpactToCustomers_lbl1" xml:lang="en-US" id="artna_RevenueHeldInReservePendingOutcomeOfTCJAImpactToCustomers_lbl1">Revenue held in reserve pending outcome of TCJA impact to customers</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevenueHeldInReservePendingOutcomeOfTCJAImpactToCustomers" xlink:to="artna_RevenueHeldInReservePendingOutcomeOfTCJAImpactToCustomers_lbl1" xlink:title="label: RevenueHeldInReservePendingOutcomeOfTCJAImpactToCustomers to artna_RevenueHeldInReservePendingOutcomeOfTCJAImpactToCustomers_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_GeneralAbstract" xlink:label="GeneralAbstract" xlink:title="GeneralAbstract" />
    <link:label xlink:type="resource" xlink:label="artna_GeneralAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_GeneralAbstract_lbl1" xml:lang="en-US" id="artna_GeneralAbstract_lbl1">GENERAL [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GeneralAbstract" xlink:to="artna_GeneralAbstract_lbl1" xlink:title="label: GeneralAbstract to artna_GeneralAbstract_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_BusinessOperationsAbstract" xlink:label="BusinessOperationsAbstract" xlink:title="BusinessOperationsAbstract" />
    <link:label xlink:type="resource" xlink:label="artna_BusinessOperationsAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_BusinessOperationsAbstract_lbl1" xml:lang="en-US" id="artna_BusinessOperationsAbstract_lbl1">Business Operations [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessOperationsAbstract" xlink:to="artna_BusinessOperationsAbstract_lbl1" xlink:title="label: BusinessOperationsAbstract to artna_BusinessOperationsAbstract_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_BusinessOperationsAbstract_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_BusinessOperationsAbstract_lbl2" xml:lang="en-US" id="artna_BusinessOperationsAbstract_lbl2">Business Operations [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessOperationsAbstract" xlink:to="artna_BusinessOperationsAbstract_lbl2" xlink:title="label: BusinessOperationsAbstract to artna_BusinessOperationsAbstract_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_BusinessOperationsTable" xlink:label="BusinessOperationsTable" xlink:title="BusinessOperationsTable" />
    <link:label xlink:type="resource" xlink:label="artna_BusinessOperationsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_BusinessOperationsTable_lbl" xml:lang="en-US" id="artna_BusinessOperationsTable_lbl">Schedule reflecting business operations including disclosures for operations related to Legal Entities, location of operations and names of major facilities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessOperationsTable" xlink:to="artna_BusinessOperationsTable_lbl" xlink:title="label: BusinessOperationsTable to artna_BusinessOperationsTable_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_BusinessOperationsTable_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_BusinessOperationsTable_lbl1" xml:lang="en-US" id="artna_BusinessOperationsTable_lbl1">Business Operations [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessOperationsTable" xlink:to="artna_BusinessOperationsTable_lbl1" xlink:title="label: BusinessOperationsTable to artna_BusinessOperationsTable_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_BusinessOperationsTable_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_BusinessOperationsTable_lbl2" xml:lang="en-US" id="artna_BusinessOperationsTable_lbl2">Business Operations [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessOperationsTable" xlink:to="artna_BusinessOperationsTable_lbl2" xlink:title="label: BusinessOperationsTable to artna_BusinessOperationsTable_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_BusinessOperationsLineItems" xlink:label="BusinessOperationsLineItems" xlink:title="BusinessOperationsLineItems" />
    <link:label xlink:type="resource" xlink:label="artna_BusinessOperationsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_BusinessOperationsLineItems_lbl" xml:lang="en-US" id="artna_BusinessOperationsLineItems_lbl">Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessOperationsLineItems" xlink:to="artna_BusinessOperationsLineItems_lbl" xlink:title="label: BusinessOperationsLineItems to artna_BusinessOperationsLineItems_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_BusinessOperationsLineItems_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_BusinessOperationsLineItems_lbl1" xml:lang="en-US" id="artna_BusinessOperationsLineItems_lbl1">Business Operations [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessOperationsLineItems" xlink:to="artna_BusinessOperationsLineItems_lbl1" xlink:title="label: BusinessOperationsLineItems to artna_BusinessOperationsLineItems_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_BusinessOperationsLineItems_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_BusinessOperationsLineItems_lbl2" xml:lang="en-US" id="artna_BusinessOperationsLineItems_lbl2">Business Operations [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessOperationsLineItems" xlink:to="artna_BusinessOperationsLineItems_lbl2" xlink:title="label: BusinessOperationsLineItems to artna_BusinessOperationsLineItems_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_NumberOfWhollyOwnedSubsidiaries" xlink:label="NumberOfWhollyOwnedSubsidiaries" xlink:title="NumberOfWhollyOwnedSubsidiaries" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfWhollyOwnedSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_NumberOfWhollyOwnedSubsidiaries_lbl" xml:lang="en-US" id="artna_NumberOfWhollyOwnedSubsidiaries_lbl">Wholly owned subsidiaries of Artesian Resources Corporation.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfWhollyOwnedSubsidiaries" xlink:to="artna_NumberOfWhollyOwnedSubsidiaries_lbl" xlink:title="label: NumberOfWhollyOwnedSubsidiaries to artna_NumberOfWhollyOwnedSubsidiaries_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfWhollyOwnedSubsidiaries_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_NumberOfWhollyOwnedSubsidiaries_lbl1" xml:lang="en-US" id="artna_NumberOfWhollyOwnedSubsidiaries_lbl1">Number Of Wholly Owned Subsidiaries</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfWhollyOwnedSubsidiaries" xlink:to="artna_NumberOfWhollyOwnedSubsidiaries_lbl1" xlink:title="label: NumberOfWhollyOwnedSubsidiaries to artna_NumberOfWhollyOwnedSubsidiaries_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfWhollyOwnedSubsidiaries_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="artna_NumberOfWhollyOwnedSubsidiaries_lbl2" xml:lang="en-US" id="artna_NumberOfWhollyOwnedSubsidiaries_lbl2">Number of wholly owned subsidiaries</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfWhollyOwnedSubsidiaries" xlink:to="artna_NumberOfWhollyOwnedSubsidiaries_lbl2" xlink:title="label: NumberOfWhollyOwnedSubsidiaries to artna_NumberOfWhollyOwnedSubsidiaries_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp" xlink:label="PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp" xlink:title="PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp_lbl" xml:lang="en-US" id="artna_PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp_lbl">Percentage of eligible customer for a specific plan or service offering, that signed up for the offering.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp" xlink:to="artna_PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp_lbl" xlink:title="label: PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp to artna_PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp_lbl1" xml:lang="en-US" id="artna_PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp_lbl1">Percentage Of Sewer Service Protection Plan Eligible Customers Signed Up</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp" xlink:to="artna_PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp_lbl1" xlink:title="label: PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp to artna_PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp_lbl2" xml:lang="en-US" id="artna_PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp_lbl2">Percentage of sewer service protection plan customers signed up</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp" xlink:to="artna_PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp_lbl2" xlink:title="label: PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp to artna_PercentageOfSewerServiceProtectionPlanEligibleCustomersSignedUp_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_ArtesianWaterMaryland" xlink:label="ArtesianWaterMaryland" xlink:title="ArtesianWaterMaryland" />
    <link:label xlink:type="resource" xlink:label="artna_ArtesianWaterMaryland_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_ArtesianWaterMaryland_lbl" xml:lang="en-US" id="artna_ArtesianWaterMaryland_lbl">Number of customers served by CECO water system.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ArtesianWaterMaryland" xlink:to="artna_ArtesianWaterMaryland_lbl" xlink:title="label: ArtesianWaterMaryland to artna_ArtesianWaterMaryland_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_ArtesianWaterMaryland_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_ArtesianWaterMaryland_lbl1" xml:lang="en-US" id="artna_ArtesianWaterMaryland_lbl1">Artesian Water Maryland</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ArtesianWaterMaryland" xlink:to="artna_ArtesianWaterMaryland_lbl1" xlink:title="label: ArtesianWaterMaryland to artna_ArtesianWaterMaryland_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_ArtesianWaterMaryland_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_ArtesianWaterMaryland_lbl2" xml:lang="en-US" id="artna_ArtesianWaterMaryland_lbl2">Number of customers served by CECO water systems</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ArtesianWaterMaryland" xlink:to="artna_ArtesianWaterMaryland_lbl2" xlink:title="label: ArtesianWaterMaryland to artna_ArtesianWaterMaryland_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_AreaOfWarehouseSpaceInFacility" xlink:label="AreaOfWarehouseSpaceInFacility" xlink:title="AreaOfWarehouseSpaceInFacility" />
    <link:label xlink:type="resource" xlink:label="artna_AreaOfWarehouseSpaceInFacility_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_AreaOfWarehouseSpaceInFacility_lbl" xml:lang="en-US" id="artna_AreaOfWarehouseSpaceInFacility_lbl">Area of warehouse space in facility.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AreaOfWarehouseSpaceInFacility" xlink:to="artna_AreaOfWarehouseSpaceInFacility_lbl" xlink:title="label: AreaOfWarehouseSpaceInFacility to artna_AreaOfWarehouseSpaceInFacility_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_AreaOfWarehouseSpaceInFacility_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_AreaOfWarehouseSpaceInFacility_lbl1" xml:lang="en-US" id="artna_AreaOfWarehouseSpaceInFacility_lbl1">Area Of Warehouse Space In Facility</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AreaOfWarehouseSpaceInFacility" xlink:to="artna_AreaOfWarehouseSpaceInFacility_lbl1" xlink:title="label: AreaOfWarehouseSpaceInFacility to artna_AreaOfWarehouseSpaceInFacility_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_AreaOfWarehouseSpaceInFacility_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_AreaOfWarehouseSpaceInFacility_lbl2" xml:lang="en-US" id="artna_AreaOfWarehouseSpaceInFacility_lbl2">Artesian Development purchased area of warehouse space (in square feet)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AreaOfWarehouseSpaceInFacility" xlink:to="artna_AreaOfWarehouseSpaceInFacility_lbl2" xlink:title="label: AreaOfWarehouseSpaceInFacility to artna_AreaOfWarehouseSpaceInFacility_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_NumberOfSubsidiariesNotRegulated" xlink:label="NumberOfSubsidiariesNotRegulated" xlink:title="NumberOfSubsidiariesNotRegulated" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfSubsidiariesNotRegulated_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_NumberOfSubsidiariesNotRegulated_lbl" xml:lang="en-US" id="artna_NumberOfSubsidiariesNotRegulated_lbl">Number of subsidiaries not regulated.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfSubsidiariesNotRegulated" xlink:to="artna_NumberOfSubsidiariesNotRegulated_lbl" xlink:title="label: NumberOfSubsidiariesNotRegulated to artna_NumberOfSubsidiariesNotRegulated_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfSubsidiariesNotRegulated_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_NumberOfSubsidiariesNotRegulated_lbl1" xml:lang="en-US" id="artna_NumberOfSubsidiariesNotRegulated_lbl1">Number Of Subsidiaries Not Regulated</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfSubsidiariesNotRegulated" xlink:to="artna_NumberOfSubsidiariesNotRegulated_lbl1" xlink:title="label: NumberOfSubsidiariesNotRegulated to artna_NumberOfSubsidiariesNotRegulated_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfSubsidiariesNotRegulated_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="artna_NumberOfSubsidiariesNotRegulated_lbl2" xml:lang="en-US" id="artna_NumberOfSubsidiariesNotRegulated_lbl2">Number of subsidiaries not regulated</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfSubsidiariesNotRegulated" xlink:to="artna_NumberOfSubsidiariesNotRegulated_lbl2" xlink:title="label: NumberOfSubsidiariesNotRegulated to artna_NumberOfSubsidiariesNotRegulated_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_AreaOfOfficeSpaceInFacility" xlink:label="AreaOfOfficeSpaceInFacility" xlink:title="AreaOfOfficeSpaceInFacility" />
    <link:label xlink:type="resource" xlink:label="artna_AreaOfOfficeSpaceInFacility_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_AreaOfOfficeSpaceInFacility_lbl" xml:lang="en-US" id="artna_AreaOfOfficeSpaceInFacility_lbl">Area of office space in facility.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AreaOfOfficeSpaceInFacility" xlink:to="artna_AreaOfOfficeSpaceInFacility_lbl" xlink:title="label: AreaOfOfficeSpaceInFacility to artna_AreaOfOfficeSpaceInFacility_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_AreaOfOfficeSpaceInFacility_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_AreaOfOfficeSpaceInFacility_lbl1" xml:lang="en-US" id="artna_AreaOfOfficeSpaceInFacility_lbl1">Area Of Office Space In Facility</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AreaOfOfficeSpaceInFacility" xlink:to="artna_AreaOfOfficeSpaceInFacility_lbl1" xlink:title="label: AreaOfOfficeSpaceInFacility to artna_AreaOfOfficeSpaceInFacility_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_AreaOfOfficeSpaceInFacility_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_AreaOfOfficeSpaceInFacility_lbl2" xml:lang="en-US" id="artna_AreaOfOfficeSpaceInFacility_lbl2">Artesian Development purchased area of office space (in square feet)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AreaOfOfficeSpaceInFacility" xlink:to="artna_AreaOfOfficeSpaceInFacility_lbl2" xlink:title="label: AreaOfOfficeSpaceInFacility to artna_AreaOfOfficeSpaceInFacility_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_NumberOfSewerServiceLineProtectionPlanCustomers" xlink:label="NumberOfSewerServiceLineProtectionPlanCustomers" xlink:title="NumberOfSewerServiceLineProtectionPlanCustomers" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfSewerServiceLineProtectionPlanCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_NumberOfSewerServiceLineProtectionPlanCustomers_lbl" xml:lang="en-US" id="artna_NumberOfSewerServiceLineProtectionPlanCustomers_lbl">Number of customers signed up for a specific offered plan or service, such as the Sewer Service Line Protection Plan.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfSewerServiceLineProtectionPlanCustomers" xlink:to="artna_NumberOfSewerServiceLineProtectionPlanCustomers_lbl" xlink:title="label: NumberOfSewerServiceLineProtectionPlanCustomers to artna_NumberOfSewerServiceLineProtectionPlanCustomers_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfSewerServiceLineProtectionPlanCustomers_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_NumberOfSewerServiceLineProtectionPlanCustomers_lbl1" xml:lang="en-US" id="artna_NumberOfSewerServiceLineProtectionPlanCustomers_lbl1">Number of Sewer Service Line Protection Plan Customers</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfSewerServiceLineProtectionPlanCustomers" xlink:to="artna_NumberOfSewerServiceLineProtectionPlanCustomers_lbl1" xlink:title="label: NumberOfSewerServiceLineProtectionPlanCustomers to artna_NumberOfSewerServiceLineProtectionPlanCustomers_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfSewerServiceLineProtectionPlanCustomers_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_NumberOfSewerServiceLineProtectionPlanCustomers_lbl2" xml:lang="en-US" id="artna_NumberOfSewerServiceLineProtectionPlanCustomers_lbl2">Number of sewer service line protection plan customers</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfSewerServiceLineProtectionPlanCustomers" xlink:to="artna_NumberOfSewerServiceLineProtectionPlanCustomers_lbl2" xlink:title="label: NumberOfSewerServiceLineProtectionPlanCustomers to artna_NumberOfSewerServiceLineProtectionPlanCustomers_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities" xlink:label="NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities" xlink:title="NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities_lbl" xml:lang="en-US" id="artna_NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities_lbl">Number of wastewater treatment stations that are currently in operation for a specific facility or area.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities" xlink:to="artna_NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities_lbl" xlink:title="label: NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities to artna_NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities_lbl1" xml:lang="en-US" id="artna_NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities_lbl1">Number Of Wastewater Treatment Stations in Operation in Service Area Facilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities" xlink:to="artna_NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities_lbl1" xlink:title="label: NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities to artna_NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="artna_NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities_lbl2" xml:lang="en-US" id="artna_NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities_lbl2">Number of wastewater treatment station facility operations in Middletown</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities" xlink:to="artna_NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities_lbl2" xlink:title="label: NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities to artna_NumberOfWastewaterTreatmentStationsInOperationInServiceAreaFacilities_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_ContractPeriodOfOperatingWastewaterTreatmentFacilities" xlink:label="ContractPeriodOfOperatingWastewaterTreatmentFacilities" xlink:title="ContractPeriodOfOperatingWastewaterTreatmentFacilities" />
    <link:label xlink:type="resource" xlink:label="artna_ContractPeriodOfOperatingWastewaterTreatmentFacilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_ContractPeriodOfOperatingWastewaterTreatmentFacilities_lbl" xml:lang="en-US" id="artna_ContractPeriodOfOperatingWastewaterTreatmentFacilities_lbl">Contract period of operating wastewater treatment facilities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractPeriodOfOperatingWastewaterTreatmentFacilities" xlink:to="artna_ContractPeriodOfOperatingWastewaterTreatmentFacilities_lbl" xlink:title="label: ContractPeriodOfOperatingWastewaterTreatmentFacilities to artna_ContractPeriodOfOperatingWastewaterTreatmentFacilities_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_ContractPeriodOfOperatingWastewaterTreatmentFacilities_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_ContractPeriodOfOperatingWastewaterTreatmentFacilities_lbl1" xml:lang="en-US" id="artna_ContractPeriodOfOperatingWastewaterTreatmentFacilities_lbl1">Contract Period Of Operating Wastewater Treatment Facilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractPeriodOfOperatingWastewaterTreatmentFacilities" xlink:to="artna_ContractPeriodOfOperatingWastewaterTreatmentFacilities_lbl1" xlink:title="label: ContractPeriodOfOperatingWastewaterTreatmentFacilities to artna_ContractPeriodOfOperatingWastewaterTreatmentFacilities_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_ContractPeriodOfOperatingWastewaterTreatmentFacilities_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="artna_ContractPeriodOfOperatingWastewaterTreatmentFacilities_lbl2" xml:lang="en-US" id="artna_ContractPeriodOfOperatingWastewaterTreatmentFacilities_lbl2">Initial contract period of operating wastewater treatment facilities in Middletown</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractPeriodOfOperatingWastewaterTreatmentFacilities" xlink:to="artna_ContractPeriodOfOperatingWastewaterTreatmentFacilities_lbl2" xlink:title="label: ContractPeriodOfOperatingWastewaterTreatmentFacilities to artna_ContractPeriodOfOperatingWastewaterTreatmentFacilities_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_NumberOfWaterServiceLineProtectionPlanCustomers" xlink:label="NumberOfWaterServiceLineProtectionPlanCustomers" xlink:title="NumberOfWaterServiceLineProtectionPlanCustomers" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfWaterServiceLineProtectionPlanCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_NumberOfWaterServiceLineProtectionPlanCustomers_lbl" xml:lang="en-US" id="artna_NumberOfWaterServiceLineProtectionPlanCustomers_lbl">Number of customers signed up for a specific offered plan or service, such as the Water Service Line Protection Plan.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfWaterServiceLineProtectionPlanCustomers" xlink:to="artna_NumberOfWaterServiceLineProtectionPlanCustomers_lbl" xlink:title="label: NumberOfWaterServiceLineProtectionPlanCustomers to artna_NumberOfWaterServiceLineProtectionPlanCustomers_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfWaterServiceLineProtectionPlanCustomers_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_NumberOfWaterServiceLineProtectionPlanCustomers_lbl1" xml:lang="en-US" id="artna_NumberOfWaterServiceLineProtectionPlanCustomers_lbl1">Number Of Water Service Line Protection Plan Customers</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfWaterServiceLineProtectionPlanCustomers" xlink:to="artna_NumberOfWaterServiceLineProtectionPlanCustomers_lbl1" xlink:title="label: NumberOfWaterServiceLineProtectionPlanCustomers to artna_NumberOfWaterServiceLineProtectionPlanCustomers_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfWaterServiceLineProtectionPlanCustomers_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="artna_NumberOfWaterServiceLineProtectionPlanCustomers_lbl2" xml:lang="en-US" id="artna_NumberOfWaterServiceLineProtectionPlanCustomers_lbl2">Number of water service line protection plan customers</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfWaterServiceLineProtectionPlanCustomers" xlink:to="artna_NumberOfWaterServiceLineProtectionPlanCustomers_lbl2" xlink:title="label: NumberOfWaterServiceLineProtectionPlanCustomers to artna_NumberOfWaterServiceLineProtectionPlanCustomers_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_NumberOfFacilitiesOwnsAndOperates" xlink:label="NumberOfFacilitiesOwnsAndOperates" xlink:title="NumberOfFacilitiesOwnsAndOperates" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfFacilitiesOwnsAndOperates_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_NumberOfFacilitiesOwnsAndOperates_lbl" xml:lang="en-US" id="artna_NumberOfFacilitiesOwnsAndOperates_lbl">Number of wastewater treatment facilities owns and operates by company.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfFacilitiesOwnsAndOperates" xlink:to="artna_NumberOfFacilitiesOwnsAndOperates_lbl" xlink:title="label: NumberOfFacilitiesOwnsAndOperates to artna_NumberOfFacilitiesOwnsAndOperates_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfFacilitiesOwnsAndOperates_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_NumberOfFacilitiesOwnsAndOperates_lbl1" xml:lang="en-US" id="artna_NumberOfFacilitiesOwnsAndOperates_lbl1">Number Of Facilities Owns And Operates</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfFacilitiesOwnsAndOperates" xlink:to="artna_NumberOfFacilitiesOwnsAndOperates_lbl1" xlink:title="label: NumberOfFacilitiesOwnsAndOperates to artna_NumberOfFacilitiesOwnsAndOperates_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfFacilitiesOwnsAndOperates_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="artna_NumberOfFacilitiesOwnsAndOperates_lbl2" xml:lang="en-US" id="artna_NumberOfFacilitiesOwnsAndOperates_lbl2">Number of wastewater treatment facilities owned and operated</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfFacilitiesOwnsAndOperates" xlink:to="artna_NumberOfFacilitiesOwnsAndOperates_lbl2" xlink:title="label: NumberOfFacilitiesOwnsAndOperates to artna_NumberOfFacilitiesOwnsAndOperates_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater" xlink:label="NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater" xlink:title="NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater_lbl" xml:lang="en-US" id="artna_NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater_lbl">Number of wastewater treatment facilities that provides reclaimed wastewater for use in spray irrigation on public and agricultural lands.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater" xlink:to="artna_NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater_lbl" xlink:title="label: NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater to artna_NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater_lbl1" xml:lang="en-US" id="artna_NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater_lbl1">Number Of Wastewater Treatment Facilities That Provides Reclaimed Wastewater</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater" xlink:to="artna_NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater_lbl1" xlink:title="label: NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater to artna_NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="artna_NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater_lbl2" xml:lang="en-US" id="artna_NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater_lbl2">Number of wastewater treatment facilities in Middletown providing reclaimed wastewater</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater" xlink:to="artna_NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater_lbl2" xlink:title="label: NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater to artna_NumberOfWastewaterTreatmentFacilitiesThatProvidesReclaimedWastewater_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_ApproximatePipelineMileage" xlink:label="ApproximatePipelineMileage" xlink:title="ApproximatePipelineMileage" />
    <link:label xlink:type="resource" xlink:label="artna_ApproximatePipelineMileage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_ApproximatePipelineMileage_lbl" xml:lang="en-US" id="artna_ApproximatePipelineMileage_lbl">Approximate mileage of pipeline that will be used to transfer wastewater.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ApproximatePipelineMileage" xlink:to="artna_ApproximatePipelineMileage_lbl" xlink:title="label: ApproximatePipelineMileage to artna_ApproximatePipelineMileage_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_ApproximatePipelineMileage_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_ApproximatePipelineMileage_lbl1" xml:lang="en-US" id="artna_ApproximatePipelineMileage_lbl1">Approximate pipeline mileage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ApproximatePipelineMileage" xlink:to="artna_ApproximatePipelineMileage_lbl1" xlink:title="label: ApproximatePipelineMileage to artna_ApproximatePipelineMileage_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp" xlink:label="PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp" xlink:title="PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp_lbl" xml:lang="en-US" id="artna_PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp_lbl">Percentage of eligible customer for a specific plan or service offering, that signed up for the offering.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp" xlink:to="artna_PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp_lbl" xlink:title="label: PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp to artna_PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp_lbl1" xml:lang="en-US" id="artna_PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp_lbl1">Percentage Of Water Service Line Protection Plan Eligible Customers Signed Up</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp" xlink:to="artna_PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp_lbl1" xlink:title="label: PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp to artna_PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="artna_PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp_lbl2" xml:lang="en-US" id="artna_PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp_lbl2">Percentage of water service line protection plan customers signed up</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp" xlink:to="artna_PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp_lbl2" xlink:title="label: PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp to artna_PercentageOfWaterServiceLineProtectionPlanEligibleCustomersSignedUp_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_MaximumVolumeOfWaterSaveByProject" xlink:label="MaximumVolumeOfWaterSaveByProject" xlink:title="MaximumVolumeOfWaterSaveByProject" />
    <link:label xlink:type="resource" xlink:label="artna_MaximumVolumeOfWaterSaveByProject_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_MaximumVolumeOfWaterSaveByProject_lbl" xml:lang="en-US" id="artna_MaximumVolumeOfWaterSaveByProject_lbl">Maximum volume of water will save by new project during the peak growing season.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaximumVolumeOfWaterSaveByProject" xlink:to="artna_MaximumVolumeOfWaterSaveByProject_lbl" xlink:title="label: MaximumVolumeOfWaterSaveByProject to artna_MaximumVolumeOfWaterSaveByProject_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_MaximumVolumeOfWaterSaveByProject_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_MaximumVolumeOfWaterSaveByProject_lbl1" xml:lang="en-US" id="artna_MaximumVolumeOfWaterSaveByProject_lbl1">Maximum Volume Of Water Save By Project</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaximumVolumeOfWaterSaveByProject" xlink:to="artna_MaximumVolumeOfWaterSaveByProject_lbl1" xlink:title="label: MaximumVolumeOfWaterSaveByProject to artna_MaximumVolumeOfWaterSaveByProject_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_MaximumVolumeOfWaterSaveByProject_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="artna_MaximumVolumeOfWaterSaveByProject_lbl2" xml:lang="en-US" id="artna_MaximumVolumeOfWaterSaveByProject_lbl2">Volume of water save by Artesian Water Management Partnership in Middletown</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaximumVolumeOfWaterSaveByProject" xlink:to="artna_MaximumVolumeOfWaterSaveByProject_lbl2" xlink:title="label: MaximumVolumeOfWaterSaveByProject to artna_MaximumVolumeOfWaterSaveByProject_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_CapacityOfWastewaterTreatmentFacilitiesMinimum" xlink:label="CapacityOfWastewaterTreatmentFacilitiesMinimum" xlink:title="CapacityOfWastewaterTreatmentFacilitiesMinimum" />
    <link:label xlink:type="resource" xlink:label="artna_CapacityOfWastewaterTreatmentFacilitiesMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_CapacityOfWastewaterTreatmentFacilitiesMinimum_lbl" xml:lang="en-US" id="artna_CapacityOfWastewaterTreatmentFacilitiesMinimum_lbl">Minimum capacity of wastewater treatment facilities per day.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CapacityOfWastewaterTreatmentFacilitiesMinimum" xlink:to="artna_CapacityOfWastewaterTreatmentFacilitiesMinimum_lbl" xlink:title="label: CapacityOfWastewaterTreatmentFacilitiesMinimum to artna_CapacityOfWastewaterTreatmentFacilitiesMinimum_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_CapacityOfWastewaterTreatmentFacilitiesMinimum_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_CapacityOfWastewaterTreatmentFacilitiesMinimum_lbl1" xml:lang="en-US" id="artna_CapacityOfWastewaterTreatmentFacilitiesMinimum_lbl1">Capacity Of Wastewater Treatment Facilities Minimum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CapacityOfWastewaterTreatmentFacilitiesMinimum" xlink:to="artna_CapacityOfWastewaterTreatmentFacilitiesMinimum_lbl1" xlink:title="label: CapacityOfWastewaterTreatmentFacilitiesMinimum to artna_CapacityOfWastewaterTreatmentFacilitiesMinimum_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_CapacityOfWastewaterTreatmentFacilitiesMinimum_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="artna_CapacityOfWastewaterTreatmentFacilitiesMinimum_lbl2" xml:lang="en-US" id="artna_CapacityOfWastewaterTreatmentFacilitiesMinimum_lbl2">Capacity of wastewater treatment facilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CapacityOfWastewaterTreatmentFacilitiesMinimum" xlink:to="artna_CapacityOfWastewaterTreatmentFacilitiesMinimum_lbl2" xlink:title="label: CapacityOfWastewaterTreatmentFacilitiesMinimum to artna_CapacityOfWastewaterTreatmentFacilitiesMinimum_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_AllenHarimFoodsLLCMember" xlink:label="AllenHarimFoodsLLCMember" xlink:title="AllenHarimFoodsLLCMember" />
    <link:label xlink:type="resource" xlink:label="artna_AllenHarimFoodsLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_AllenHarimFoodsLLCMember_lbl" xml:lang="en-US" id="artna_AllenHarimFoodsLLCMember_lbl">Refers to Allen Harim Foods, LLC.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AllenHarimFoodsLLCMember" xlink:to="artna_AllenHarimFoodsLLCMember_lbl" xlink:title="label: AllenHarimFoodsLLCMember to artna_AllenHarimFoodsLLCMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_AllenHarimFoodsLLCMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_AllenHarimFoodsLLCMember_lbl1" xml:lang="en-US" id="artna_AllenHarimFoodsLLCMember_lbl1">Allen Harim Foods, LLC [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AllenHarimFoodsLLCMember" xlink:to="artna_AllenHarimFoodsLLCMember_lbl1" xlink:title="label: AllenHarimFoodsLLCMember to artna_AllenHarimFoodsLLCMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_ArtesianUtilityMember" xlink:label="ArtesianUtilityMember" xlink:title="ArtesianUtilityMember" />
    <link:label xlink:type="resource" xlink:label="artna_ArtesianUtilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_ArtesianUtilityMember_lbl" xml:lang="en-US" id="artna_ArtesianUtilityMember_lbl">Wholly owned subsidiary of Artesian Resources.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ArtesianUtilityMember" xlink:to="artna_ArtesianUtilityMember_lbl" xlink:title="label: ArtesianUtilityMember to artna_ArtesianUtilityMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_ArtesianUtilityMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_ArtesianUtilityMember_lbl1" xml:lang="en-US" id="artna_ArtesianUtilityMember_lbl1">Artesian Utility [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ArtesianUtilityMember" xlink:to="artna_ArtesianUtilityMember_lbl1" xlink:title="label: ArtesianUtilityMember to artna_ArtesianUtilityMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_ArtesianWastewaterMember" xlink:label="ArtesianWastewaterMember" xlink:title="ArtesianWastewaterMember" />
    <link:label xlink:type="resource" xlink:label="artna_ArtesianWastewaterMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_ArtesianWastewaterMember_lbl" xml:lang="en-US" id="artna_ArtesianWastewaterMember_lbl">Wholly owned subsidiary of Artesian Resources.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ArtesianWastewaterMember" xlink:to="artna_ArtesianWastewaterMember_lbl" xlink:title="label: ArtesianWastewaterMember to artna_ArtesianWastewaterMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_ArtesianWastewaterMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_ArtesianWastewaterMember_lbl1" xml:lang="en-US" id="artna_ArtesianWastewaterMember_lbl1">Artesian Wastewater [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ArtesianWastewaterMember" xlink:to="artna_ArtesianWastewaterMember_lbl1" xlink:title="label: ArtesianWastewaterMember to artna_ArtesianWastewaterMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_VolumeOfStorageLagoon" xlink:label="VolumeOfStorageLagoon" xlink:title="VolumeOfStorageLagoon" />
    <link:label xlink:type="resource" xlink:label="artna_VolumeOfStorageLagoon_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_VolumeOfStorageLagoon_lbl" xml:lang="en-US" id="artna_VolumeOfStorageLagoon_lbl">Volume of storage lagoon used for spray irrigation on agricultural land in the area.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="VolumeOfStorageLagoon" xlink:to="artna_VolumeOfStorageLagoon_lbl" xlink:title="label: VolumeOfStorageLagoon to artna_VolumeOfStorageLagoon_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_VolumeOfStorageLagoon_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_VolumeOfStorageLagoon_lbl1" xml:lang="en-US" id="artna_VolumeOfStorageLagoon_lbl1">Volume of storage lagoon</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="VolumeOfStorageLagoon" xlink:to="artna_VolumeOfStorageLagoon_lbl1" xlink:title="label: VolumeOfStorageLagoon to artna_VolumeOfStorageLagoon_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_FacilitySecondMember" xlink:label="FacilitySecondMember" xlink:title="FacilitySecondMember" />
    <link:label xlink:type="resource" xlink:label="artna_FacilitySecondMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_FacilitySecondMember_lbl" xml:lang="en-US" id="artna_FacilitySecondMember_lbl">Wastewater treatment facility.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FacilitySecondMember" xlink:to="artna_FacilitySecondMember_lbl" xlink:title="label: FacilitySecondMember to artna_FacilitySecondMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_FacilitySecondMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_FacilitySecondMember_lbl1" xml:lang="en-US" id="artna_FacilitySecondMember_lbl1">Facility Second [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FacilitySecondMember" xlink:to="artna_FacilitySecondMember_lbl1" xlink:title="label: FacilitySecondMember to artna_FacilitySecondMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_FacilitySecondMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_FacilitySecondMember_lbl2" xml:lang="en-US" id="artna_FacilitySecondMember_lbl2">Wastewater treatment facility second of two [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FacilitySecondMember" xlink:to="artna_FacilitySecondMember_lbl2" xlink:title="label: FacilitySecondMember to artna_FacilitySecondMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_FacilityFirstMember" xlink:label="FacilityFirstMember" xlink:title="FacilityFirstMember" />
    <link:label xlink:type="resource" xlink:label="artna_FacilityFirstMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_FacilityFirstMember_lbl" xml:lang="en-US" id="artna_FacilityFirstMember_lbl">Wastewater treatment facility.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FacilityFirstMember" xlink:to="artna_FacilityFirstMember_lbl" xlink:title="label: FacilityFirstMember to artna_FacilityFirstMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_FacilityFirstMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_FacilityFirstMember_lbl1" xml:lang="en-US" id="artna_FacilityFirstMember_lbl1">Facility First [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FacilityFirstMember" xlink:to="artna_FacilityFirstMember_lbl1" xlink:title="label: FacilityFirstMember to artna_FacilityFirstMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_FacilityFirstMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_FacilityFirstMember_lbl2" xml:lang="en-US" id="artna_FacilityFirstMember_lbl2">Wastewater treatment facility first of two [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FacilityFirstMember" xlink:to="artna_FacilityFirstMember_lbl2" xlink:title="label: FacilityFirstMember to artna_FacilityFirstMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_artna_NumberOfInternalServiceLineProtectionPlanCustomers" xlink:label="artna_NumberOfInternalServiceLineProtectionPlanCustomers" xlink:title="artna_NumberOfInternalServiceLineProtectionPlanCustomers" />
    <link:label xlink:type="resource" xlink:label="artna_artna_NumberOfInternalServiceLineProtectionPlanCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_artna_NumberOfInternalServiceLineProtectionPlanCustomers_lbl" xml:lang="en-US" id="artna_artna_NumberOfInternalServiceLineProtectionPlanCustomers_lbl">Number of customers signed up for a specific offered plan or service, such as the Internal Service Line Protection Plan.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="artna_NumberOfInternalServiceLineProtectionPlanCustomers" xlink:to="artna_artna_NumberOfInternalServiceLineProtectionPlanCustomers_lbl" xlink:title="label: artna_NumberOfInternalServiceLineProtectionPlanCustomers to artna_artna_NumberOfInternalServiceLineProtectionPlanCustomers_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_artna_NumberOfInternalServiceLineProtectionPlanCustomers_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_artna_NumberOfInternalServiceLineProtectionPlanCustomers_lbl1" xml:lang="en-US" id="artna_artna_NumberOfInternalServiceLineProtectionPlanCustomers_lbl1">Number of Internal Service Line Protection Plan Customers</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="artna_NumberOfInternalServiceLineProtectionPlanCustomers" xlink:to="artna_artna_NumberOfInternalServiceLineProtectionPlanCustomers_lbl1" xlink:title="label: artna_NumberOfInternalServiceLineProtectionPlanCustomers to artna_artna_NumberOfInternalServiceLineProtectionPlanCustomers_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_artna_NumberOfInternalServiceLineProtectionPlanCustomers_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_artna_NumberOfInternalServiceLineProtectionPlanCustomers_lbl2" xml:lang="en-US" id="artna_artna_NumberOfInternalServiceLineProtectionPlanCustomers_lbl2">Number of internal service line protection plan customers</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="artna_NumberOfInternalServiceLineProtectionPlanCustomers" xlink:to="artna_artna_NumberOfInternalServiceLineProtectionPlanCustomers_lbl2" xlink:title="label: artna_NumberOfInternalServiceLineProtectionPlanCustomers to artna_artna_NumberOfInternalServiceLineProtectionPlanCustomers_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_NumberOfNonUtilityCustomersSignedUpWithPlan" xlink:label="NumberOfNonUtilityCustomersSignedUpWithPlan" xlink:title="NumberOfNonUtilityCustomersSignedUpWithPlan" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfNonUtilityCustomersSignedUpWithPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_NumberOfNonUtilityCustomersSignedUpWithPlan_lbl" xml:lang="en-US" id="artna_NumberOfNonUtilityCustomersSignedUpWithPlan_lbl">Number of non-utility customers signed up with plan.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfNonUtilityCustomersSignedUpWithPlan" xlink:to="artna_NumberOfNonUtilityCustomersSignedUpWithPlan_lbl" xlink:title="label: NumberOfNonUtilityCustomersSignedUpWithPlan to artna_NumberOfNonUtilityCustomersSignedUpWithPlan_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfNonUtilityCustomersSignedUpWithPlan_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_NumberOfNonUtilityCustomersSignedUpWithPlan_lbl1" xml:lang="en-US" id="artna_NumberOfNonUtilityCustomersSignedUpWithPlan_lbl1">Number Of Non-Utility Customers Signed Up With Plan</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfNonUtilityCustomersSignedUpWithPlan" xlink:to="artna_NumberOfNonUtilityCustomersSignedUpWithPlan_lbl1" xlink:title="label: NumberOfNonUtilityCustomersSignedUpWithPlan to artna_NumberOfNonUtilityCustomersSignedUpWithPlan_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfNonUtilityCustomersSignedUpWithPlan_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_NumberOfNonUtilityCustomersSignedUpWithPlan_lbl2" xml:lang="en-US" id="artna_NumberOfNonUtilityCustomersSignedUpWithPlan_lbl2">Number of non-utility customers signed up with plan</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfNonUtilityCustomersSignedUpWithPlan" xlink:to="artna_NumberOfNonUtilityCustomersSignedUpWithPlan_lbl2" xlink:title="label: NumberOfNonUtilityCustomersSignedUpWithPlan to artna_NumberOfNonUtilityCustomersSignedUpWithPlan_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp" xlink:label="PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp" xlink:title="PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp_lbl" xml:lang="en-US" id="artna_PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp_lbl">Percentage of eligible customers for a specific plan or service offering, that signed up for the offering.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp" xlink:to="artna_PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp_lbl" xlink:title="label: PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp to artna_PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp_lbl1" xml:lang="en-US" id="artna_PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp_lbl1">Percentage Of Internal Service Protection Plan Eligible Customers Signed Up</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp" xlink:to="artna_PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp_lbl1" xlink:title="label: PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp to artna_PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp_lbl2" xml:lang="en-US" id="artna_PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp_lbl2">Percentage of internal service protection plan eligible customers signed up</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp" xlink:to="artna_PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp_lbl2" xlink:title="label: PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp to artna_PercentageOfInternalServiceProtectionPlanEligibleCustomersSignedUp_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_NumberOfPublicWaterSystemsOwnedAndOperated" xlink:label="NumberOfPublicWaterSystemsOwnedAndOperated" xlink:title="NumberOfPublicWaterSystemsOwnedAndOperated" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfPublicWaterSystemsOwnedAndOperated_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_NumberOfPublicWaterSystemsOwnedAndOperated_lbl" xml:lang="en-US" id="artna_NumberOfPublicWaterSystemsOwnedAndOperated_lbl">Number of public water systems owned and operated by the company.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfPublicWaterSystemsOwnedAndOperated" xlink:to="artna_NumberOfPublicWaterSystemsOwnedAndOperated_lbl" xlink:title="label: NumberOfPublicWaterSystemsOwnedAndOperated to artna_NumberOfPublicWaterSystemsOwnedAndOperated_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfPublicWaterSystemsOwnedAndOperated_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_NumberOfPublicWaterSystemsOwnedAndOperated_lbl1" xml:lang="en-US" id="artna_NumberOfPublicWaterSystemsOwnedAndOperated_lbl1">Number of public water systems owned and operated</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfPublicWaterSystemsOwnedAndOperated" xlink:to="artna_NumberOfPublicWaterSystemsOwnedAndOperated_lbl1" xlink:title="label: NumberOfPublicWaterSystemsOwnedAndOperated to artna_NumberOfPublicWaterSystemsOwnedAndOperated_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_ArtesianWaterMarylandMember" xlink:label="ArtesianWaterMarylandMember" xlink:title="ArtesianWaterMarylandMember" />
    <link:label xlink:type="resource" xlink:label="artna_ArtesianWaterMarylandMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_ArtesianWaterMarylandMember_lbl" xml:lang="en-US" id="artna_ArtesianWaterMarylandMember_lbl">Wholly owned subsidiary of Artesian Resources.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ArtesianWaterMarylandMember" xlink:to="artna_ArtesianWaterMarylandMember_lbl" xlink:title="label: ArtesianWaterMarylandMember to artna_ArtesianWaterMarylandMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_ArtesianWaterMarylandMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_ArtesianWaterMarylandMember_lbl1" xml:lang="en-US" id="artna_ArtesianWaterMarylandMember_lbl1">Artesian Water Maryland [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ArtesianWaterMarylandMember" xlink:to="artna_ArtesianWaterMarylandMember_lbl1" xlink:title="label: ArtesianWaterMarylandMember to artna_ArtesianWaterMarylandMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_MaximumSupplyAmountOfWaterPerDay" xlink:label="MaximumSupplyAmountOfWaterPerDay" xlink:title="MaximumSupplyAmountOfWaterPerDay" />
    <link:label xlink:type="resource" xlink:label="artna_MaximumSupplyAmountOfWaterPerDay_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_MaximumSupplyAmountOfWaterPerDay_lbl" xml:lang="en-US" id="artna_MaximumSupplyAmountOfWaterPerDay_lbl">Refers to the maximum supply amount of water per day.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaximumSupplyAmountOfWaterPerDay" xlink:to="artna_MaximumSupplyAmountOfWaterPerDay_lbl" xlink:title="label: MaximumSupplyAmountOfWaterPerDay to artna_MaximumSupplyAmountOfWaterPerDay_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_MaximumSupplyAmountOfWaterPerDay_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_MaximumSupplyAmountOfWaterPerDay_lbl1" xml:lang="en-US" id="artna_MaximumSupplyAmountOfWaterPerDay_lbl1">Maximum supply amount of water per day</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaximumSupplyAmountOfWaterPerDay" xlink:to="artna_MaximumSupplyAmountOfWaterPerDay_lbl1" xlink:title="label: MaximumSupplyAmountOfWaterPerDay to artna_MaximumSupplyAmountOfWaterPerDay_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_CommonStockAbstract" xlink:label="CommonStockAbstract" xlink:title="CommonStockAbstract" />
    <link:label xlink:type="resource" xlink:label="artna_CommonStockAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_CommonStockAbstract_lbl1" xml:lang="en-US" id="artna_CommonStockAbstract_lbl1">Common Stock [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockAbstract" xlink:to="artna_CommonStockAbstract_lbl1" xlink:title="label: CommonStockAbstract to artna_CommonStockAbstract_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAbstract" xlink:label="AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAbstract" xlink:title="AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAbstract" />
    <link:label xlink:type="resource" xlink:label="artna_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAbstract_lbl1" xml:lang="en-US" id="artna_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAbstract_lbl1">Antidilutive Securities Excluded from Computation of Earnings Per Share [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAbstract" xlink:to="artna_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAbstract_lbl1" xlink:title="label: AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAbstract to artna_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAbstract_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAbstract_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAbstract_lbl2" xml:lang="en-US" id="artna_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAbstract_lbl2">Antidilutive Securities Excluded from Computation of Earnings Per Share [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAbstract" xlink:to="artna_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAbstract_lbl2" xlink:title="label: AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAbstract to artna_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAbstract_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_StockOwnershipRequiredToBeDisclosedMinimum" xlink:label="StockOwnershipRequiredToBeDisclosedMinimum" xlink:title="StockOwnershipRequiredToBeDisclosedMinimum" />
    <link:label xlink:type="resource" xlink:label="artna_StockOwnershipRequiredToBeDisclosedMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_StockOwnershipRequiredToBeDisclosedMinimum_lbl" xml:lang="en-US" id="artna_StockOwnershipRequiredToBeDisclosedMinimum_lbl">The minimum percentage of the entity's securities owned by a related party that would potentially require to be disclosed.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockOwnershipRequiredToBeDisclosedMinimum" xlink:to="artna_StockOwnershipRequiredToBeDisclosedMinimum_lbl" xlink:title="label: StockOwnershipRequiredToBeDisclosedMinimum to artna_StockOwnershipRequiredToBeDisclosedMinimum_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_StockOwnershipRequiredToBeDisclosedMinimum_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_StockOwnershipRequiredToBeDisclosedMinimum_lbl1" xml:lang="en-US" id="artna_StockOwnershipRequiredToBeDisclosedMinimum_lbl1">Stock ownership required to be disclosed, minimum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockOwnershipRequiredToBeDisclosedMinimum" xlink:to="artna_StockOwnershipRequiredToBeDisclosedMinimum_lbl1" xlink:title="label: StockOwnershipRequiredToBeDisclosedMinimum to artna_StockOwnershipRequiredToBeDisclosedMinimum_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_StockOwnershipRequiredToBeDisclosedMinimum_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_StockOwnershipRequiredToBeDisclosedMinimum_lbl2" xml:lang="en-US" id="artna_StockOwnershipRequiredToBeDisclosedMinimum_lbl2">Stock ownership required to be disclosed, minimum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockOwnershipRequiredToBeDisclosedMinimum" xlink:to="artna_StockOwnershipRequiredToBeDisclosedMinimum_lbl2" xlink:title="label: StockOwnershipRequiredToBeDisclosedMinimum to artna_StockOwnershipRequiredToBeDisclosedMinimum_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_RelatedPartyTransactionsDisclosureAbstract" xlink:label="RelatedPartyTransactionsDisclosureAbstract" xlink:title="RelatedPartyTransactionsDisclosureAbstract" />
    <link:label xlink:type="resource" xlink:label="artna_RelatedPartyTransactionsDisclosureAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_RelatedPartyTransactionsDisclosureAbstract_lbl1" xml:lang="en-US" id="artna_RelatedPartyTransactionsDisclosureAbstract_lbl1">Related Party Transactions Disclosure [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RelatedPartyTransactionsDisclosureAbstract" xlink:to="artna_RelatedPartyTransactionsDisclosureAbstract_lbl1" xlink:title="label: RelatedPartyTransactionsDisclosureAbstract to artna_RelatedPartyTransactionsDisclosureAbstract_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_RelatedPartyTransactionsDisclosureAbstract_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_RelatedPartyTransactionsDisclosureAbstract_lbl2" xml:lang="en-US" id="artna_RelatedPartyTransactionsDisclosureAbstract_lbl2">Related Party Transactions [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RelatedPartyTransactionsDisclosureAbstract" xlink:to="artna_RelatedPartyTransactionsDisclosureAbstract_lbl2" xlink:title="label: RelatedPartyTransactionsDisclosureAbstract to artna_RelatedPartyTransactionsDisclosureAbstract_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_DocumentAndEntityInformationAbstract" xlink:label="DocumentAndEntityInformationAbstract" xlink:title="DocumentAndEntityInformationAbstract" />
    <link:label xlink:type="resource" xlink:label="artna_DocumentAndEntityInformationAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_DocumentAndEntityInformationAbstract_lbl1" xml:lang="en-US" id="artna_DocumentAndEntityInformationAbstract_lbl1">Document and Entity Information [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="artna_DocumentAndEntityInformationAbstract_lbl1" xlink:title="label: DocumentAndEntityInformationAbstract to artna_DocumentAndEntityInformationAbstract_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_MasterLoanAgreementMember" xlink:label="MasterLoanAgreementMember" xlink:title="MasterLoanAgreementMember" />
    <link:label xlink:type="resource" xlink:label="artna_MasterLoanAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_MasterLoanAgreementMember_lbl" xml:lang="en-US" id="artna_MasterLoanAgreementMember_lbl">Arrangement in which loan proceeds can be obtained following the understandings of parties involved.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MasterLoanAgreementMember" xlink:to="artna_MasterLoanAgreementMember_lbl" xlink:title="label: MasterLoanAgreementMember to artna_MasterLoanAgreementMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_MasterLoanAgreementMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_MasterLoanAgreementMember_lbl1" xml:lang="en-US" id="artna_MasterLoanAgreementMember_lbl1">Master Loan Agreement [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MasterLoanAgreementMember" xlink:to="artna_MasterLoanAgreementMember_lbl1" xlink:title="label: MasterLoanAgreementMember to artna_MasterLoanAgreementMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_DisclosureSubsequentEventsAbstract" xlink:label="DisclosureSubsequentEventsAbstract" xlink:title="DisclosureSubsequentEventsAbstract" />
    <link:label xlink:type="resource" xlink:label="artna_DisclosureSubsequentEventsAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_DisclosureSubsequentEventsAbstract_lbl1" xml:lang="en-US" id="artna_DisclosureSubsequentEventsAbstract_lbl1">Disclosure Subsequent Events [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DisclosureSubsequentEventsAbstract" xlink:to="artna_DisclosureSubsequentEventsAbstract_lbl1" xlink:title="label: DisclosureSubsequentEventsAbstract to artna_DisclosureSubsequentEventsAbstract_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_DisclosureSubsequentEventsAbstract_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_DisclosureSubsequentEventsAbstract_lbl2" xml:lang="en-US" id="artna_DisclosureSubsequentEventsAbstract_lbl2">Subsequent Event [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DisclosureSubsequentEventsAbstract" xlink:to="artna_DisclosureSubsequentEventsAbstract_lbl2" xlink:title="label: DisclosureSubsequentEventsAbstract to artna_DisclosureSubsequentEventsAbstract_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_FirstSupplementMember" xlink:label="FirstSupplementMember" xlink:title="FirstSupplementMember" />
    <link:label xlink:type="resource" xlink:label="artna_FirstSupplementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_FirstSupplementMember_lbl" xml:lang="en-US" id="artna_FirstSupplementMember_lbl">The first supplement of debt instrument entered under master loan agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FirstSupplementMember" xlink:to="artna_FirstSupplementMember_lbl" xlink:title="label: FirstSupplementMember to artna_FirstSupplementMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_FirstSupplementMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_FirstSupplementMember_lbl1" xml:lang="en-US" id="artna_FirstSupplementMember_lbl1">First Supplement [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FirstSupplementMember" xlink:to="artna_FirstSupplementMember_lbl1" xlink:title="label: FirstSupplementMember to artna_FirstSupplementMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_SecondSupplementMember" xlink:label="SecondSupplementMember" xlink:title="SecondSupplementMember" />
    <link:label xlink:type="resource" xlink:label="artna_SecondSupplementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_SecondSupplementMember_lbl" xml:lang="en-US" id="artna_SecondSupplementMember_lbl">The second supplement of debt instrument entered under master loan agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SecondSupplementMember" xlink:to="artna_SecondSupplementMember_lbl" xlink:title="label: SecondSupplementMember to artna_SecondSupplementMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_SecondSupplementMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_SecondSupplementMember_lbl1" xml:lang="en-US" id="artna_SecondSupplementMember_lbl1">Second Supplement [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SecondSupplementMember" xlink:to="artna_SecondSupplementMember_lbl1" xlink:title="label: SecondSupplementMember to artna_SecondSupplementMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_DebtCoverageRatio" xlink:label="DebtCoverageRatio" xlink:title="DebtCoverageRatio" />
    <link:label xlink:type="resource" xlink:label="artna_DebtCoverageRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_DebtCoverageRatio_lbl" xml:lang="en-US" id="artna_DebtCoverageRatio_lbl">The debt coverage ratio to determine a companies ability to generate enough income in its operations to cover the expense of a debt.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtCoverageRatio" xlink:to="artna_DebtCoverageRatio_lbl" xlink:title="label: DebtCoverageRatio to artna_DebtCoverageRatio_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_DebtCoverageRatio_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_DebtCoverageRatio_lbl1" xml:lang="en-US" id="artna_DebtCoverageRatio_lbl1">Debt Coverage Ratio</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtCoverageRatio" xlink:to="artna_DebtCoverageRatio_lbl1" xlink:title="label: DebtCoverageRatio to artna_DebtCoverageRatio_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_DebtCoverageRatio_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_DebtCoverageRatio_lbl2" xml:lang="en-US" id="artna_DebtCoverageRatio_lbl2">Debt coverage ratio</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtCoverageRatio" xlink:to="artna_DebtCoverageRatio_lbl2" xlink:title="label: DebtCoverageRatio to artna_DebtCoverageRatio_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_RatioOfTotalDebtToCapitalizationRatio" xlink:label="RatioOfTotalDebtToCapitalizationRatio" xlink:title="RatioOfTotalDebtToCapitalizationRatio" />
    <link:label xlink:type="resource" xlink:label="artna_RatioOfTotalDebtToCapitalizationRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_RatioOfTotalDebtToCapitalizationRatio_lbl" xml:lang="en-US" id="artna_RatioOfTotalDebtToCapitalizationRatio_lbl">The ratio of total debt to capitalization to determine the financial leverage.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RatioOfTotalDebtToCapitalizationRatio" xlink:to="artna_RatioOfTotalDebtToCapitalizationRatio_lbl" xlink:title="label: RatioOfTotalDebtToCapitalizationRatio to artna_RatioOfTotalDebtToCapitalizationRatio_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_RatioOfTotalDebtToCapitalizationRatio_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_RatioOfTotalDebtToCapitalizationRatio_lbl1" xml:lang="en-US" id="artna_RatioOfTotalDebtToCapitalizationRatio_lbl1">Ratio of Total Debt to Capitalization Ratio</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RatioOfTotalDebtToCapitalizationRatio" xlink:to="artna_RatioOfTotalDebtToCapitalizationRatio_lbl1" xlink:title="label: RatioOfTotalDebtToCapitalizationRatio to artna_RatioOfTotalDebtToCapitalizationRatio_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_RatioOfTotalDebtToCapitalizationRatio_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_RatioOfTotalDebtToCapitalizationRatio_lbl2" xml:lang="en-US" id="artna_RatioOfTotalDebtToCapitalizationRatio_lbl2">Ratio of total debt to capitalization ratio</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RatioOfTotalDebtToCapitalizationRatio" xlink:to="artna_RatioOfTotalDebtToCapitalizationRatio_lbl2" xlink:title="label: RatioOfTotalDebtToCapitalizationRatio to artna_RatioOfTotalDebtToCapitalizationRatio_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_PercentageOfAnnualYieldOfRepaid" xlink:label="PercentageOfAnnualYieldOfRepaid" xlink:title="PercentageOfAnnualYieldOfRepaid" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfAnnualYieldOfRepaid_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_PercentageOfAnnualYieldOfRepaid_lbl" xml:lang="en-US" id="artna_PercentageOfAnnualYieldOfRepaid_lbl">Percentage of annual yield repaid converted or not borrowed for the period such amount was scheduled to have been outstanding at such fixed rate.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfAnnualYieldOfRepaid" xlink:to="artna_PercentageOfAnnualYieldOfRepaid_lbl" xlink:title="label: PercentageOfAnnualYieldOfRepaid to artna_PercentageOfAnnualYieldOfRepaid_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfAnnualYieldOfRepaid_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_PercentageOfAnnualYieldOfRepaid_lbl1" xml:lang="en-US" id="artna_PercentageOfAnnualYieldOfRepaid_lbl1">Percentage of Annual Yield of Repaid</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfAnnualYieldOfRepaid" xlink:to="artna_PercentageOfAnnualYieldOfRepaid_lbl1" xlink:title="label: PercentageOfAnnualYieldOfRepaid to artna_PercentageOfAnnualYieldOfRepaid_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfAnnualYieldOfRepaid_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_PercentageOfAnnualYieldOfRepaid_lbl2" xml:lang="en-US" id="artna_PercentageOfAnnualYieldOfRepaid_lbl2">Percentage of annual yield of amount repaid</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfAnnualYieldOfRepaid" xlink:to="artna_PercentageOfAnnualYieldOfRepaid_lbl2" xlink:title="label: PercentageOfAnnualYieldOfRepaid to artna_PercentageOfAnnualYieldOfRepaid_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_NumberOfSupplements" xlink:label="NumberOfSupplements" xlink:title="NumberOfSupplements" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfSupplements_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_NumberOfSupplements_lbl" xml:lang="en-US" id="artna_NumberOfSupplements_lbl">Number of supplements in loan agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfSupplements" xlink:to="artna_NumberOfSupplements_lbl" xlink:title="label: NumberOfSupplements to artna_NumberOfSupplements_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfSupplements_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_NumberOfSupplements_lbl1" xml:lang="en-US" id="artna_NumberOfSupplements_lbl1">Number of Supplements</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfSupplements" xlink:to="artna_NumberOfSupplements_lbl1" xlink:title="label: NumberOfSupplements to artna_NumberOfSupplements_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfSupplements_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_NumberOfSupplements_lbl2" xml:lang="en-US" id="artna_NumberOfSupplements_lbl2">Number of supplements</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfSupplements" xlink:to="artna_NumberOfSupplements_lbl2" xlink:title="label: NumberOfSupplements to artna_NumberOfSupplements_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_PercentageOfLongTermFinancingCost" xlink:label="PercentageOfLongTermFinancingCost" xlink:title="PercentageOfLongTermFinancingCost" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfLongTermFinancingCost_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_PercentageOfLongTermFinancingCost_lbl" xml:lang="en-US" id="artna_PercentageOfLongTermFinancingCost_lbl">Percentage of long-term financing on the cost of facility.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfLongTermFinancingCost" xlink:to="artna_PercentageOfLongTermFinancingCost_lbl" xlink:title="label: PercentageOfLongTermFinancingCost to artna_PercentageOfLongTermFinancingCost_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfLongTermFinancingCost_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_PercentageOfLongTermFinancingCost_lbl1" xml:lang="en-US" id="artna_PercentageOfLongTermFinancingCost_lbl1">Percentage of Long-term Financing Cost</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfLongTermFinancingCost" xlink:to="artna_PercentageOfLongTermFinancingCost_lbl1" xlink:title="label: PercentageOfLongTermFinancingCost to artna_PercentageOfLongTermFinancingCost_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfLongTermFinancingCost_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_PercentageOfLongTermFinancingCost_lbl2" xml:lang="en-US" id="artna_PercentageOfLongTermFinancingCost_lbl2">Percentage of long-term financing cost</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfLongTermFinancingCost" xlink:to="artna_PercentageOfLongTermFinancingCost_lbl2" xlink:title="label: PercentageOfLongTermFinancingCost to artna_PercentageOfLongTermFinancingCost_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_PercentageOfAmountRepaidConvertedOrNotBorrowed" xlink:label="PercentageOfAmountRepaidConvertedOrNotBorrowed" xlink:title="PercentageOfAmountRepaidConvertedOrNotBorrowed" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfAmountRepaidConvertedOrNotBorrowed_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_PercentageOfAmountRepaidConvertedOrNotBorrowed_lbl" xml:lang="en-US" id="artna_PercentageOfAmountRepaidConvertedOrNotBorrowed_lbl">The percentage of amount repaid, converted or not borrowed for the period such amount was scheduled to have been outstanding at such fixed rate.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfAmountRepaidConvertedOrNotBorrowed" xlink:to="artna_PercentageOfAmountRepaidConvertedOrNotBorrowed_lbl" xlink:title="label: PercentageOfAmountRepaidConvertedOrNotBorrowed to artna_PercentageOfAmountRepaidConvertedOrNotBorrowed_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfAmountRepaidConvertedOrNotBorrowed_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_PercentageOfAmountRepaidConvertedOrNotBorrowed_lbl1" xml:lang="en-US" id="artna_PercentageOfAmountRepaidConvertedOrNotBorrowed_lbl1">Percentage of Amount Repaid, Converted or Not Borrowed</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfAmountRepaidConvertedOrNotBorrowed" xlink:to="artna_PercentageOfAmountRepaidConvertedOrNotBorrowed_lbl1" xlink:title="label: PercentageOfAmountRepaidConvertedOrNotBorrowed to artna_PercentageOfAmountRepaidConvertedOrNotBorrowed_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_PercentageOfAmountRepaidConvertedOrNotBorrowed_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_PercentageOfAmountRepaidConvertedOrNotBorrowed_lbl2" xml:lang="en-US" id="artna_PercentageOfAmountRepaidConvertedOrNotBorrowed_lbl2">Percentage of amount repaid, converted or not borrowed</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfAmountRepaidConvertedOrNotBorrowed" xlink:to="artna_PercentageOfAmountRepaidConvertedOrNotBorrowed_lbl2" xlink:title="label: PercentageOfAmountRepaidConvertedOrNotBorrowed to artna_PercentageOfAmountRepaidConvertedOrNotBorrowed_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_NumberOfBusinessDaysOfPriorNotice" xlink:label="NumberOfBusinessDaysOfPriorNotice" xlink:title="NumberOfBusinessDaysOfPriorNotice" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfBusinessDaysOfPriorNotice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_NumberOfBusinessDaysOfPriorNotice_lbl" xml:lang="en-US" id="artna_NumberOfBusinessDaysOfPriorNotice_lbl">Number of business days of prior notice to be sent in the event it desires to repay any loan balance bearing interest at a fixed rate prior to the last day of the fixed rate period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfBusinessDaysOfPriorNotice" xlink:to="artna_NumberOfBusinessDaysOfPriorNotice_lbl" xlink:title="label: NumberOfBusinessDaysOfPriorNotice to artna_NumberOfBusinessDaysOfPriorNotice_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfBusinessDaysOfPriorNotice_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_NumberOfBusinessDaysOfPriorNotice_lbl1" xml:lang="en-US" id="artna_NumberOfBusinessDaysOfPriorNotice_lbl1">Number of Business Days of Prior Notice</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfBusinessDaysOfPriorNotice" xlink:to="artna_NumberOfBusinessDaysOfPriorNotice_lbl1" xlink:title="label: NumberOfBusinessDaysOfPriorNotice to artna_NumberOfBusinessDaysOfPriorNotice_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfBusinessDaysOfPriorNotice_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_NumberOfBusinessDaysOfPriorNotice_lbl2" xml:lang="en-US" id="artna_NumberOfBusinessDaysOfPriorNotice_lbl2">Number of business days prior notice</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfBusinessDaysOfPriorNotice" xlink:to="artna_NumberOfBusinessDaysOfPriorNotice_lbl2" xlink:title="label: NumberOfBusinessDaysOfPriorNotice to artna_NumberOfBusinessDaysOfPriorNotice_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_NumberOfQuarterlyInstallments" xlink:label="NumberOfQuarterlyInstallments" xlink:title="NumberOfQuarterlyInstallments" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfQuarterlyInstallments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_NumberOfQuarterlyInstallments_lbl" xml:lang="en-US" id="artna_NumberOfQuarterlyInstallments_lbl">Number of consecutive quarterly installments payable under the agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfQuarterlyInstallments" xlink:to="artna_NumberOfQuarterlyInstallments_lbl" xlink:title="label: NumberOfQuarterlyInstallments to artna_NumberOfQuarterlyInstallments_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfQuarterlyInstallments_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_NumberOfQuarterlyInstallments_lbl1" xml:lang="en-US" id="artna_NumberOfQuarterlyInstallments_lbl1">Number of Quarterly Installments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfQuarterlyInstallments" xlink:to="artna_NumberOfQuarterlyInstallments_lbl1" xlink:title="label: NumberOfQuarterlyInstallments to artna_NumberOfQuarterlyInstallments_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfQuarterlyInstallments_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_NumberOfQuarterlyInstallments_lbl2" xml:lang="en-US" id="artna_NumberOfQuarterlyInstallments_lbl2">Number of quarterly installments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfQuarterlyInstallments" xlink:to="artna_NumberOfQuarterlyInstallments_lbl2" xlink:title="label: NumberOfQuarterlyInstallments to artna_NumberOfQuarterlyInstallments_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_NumberOfFinancialCovenants" xlink:label="NumberOfFinancialCovenants" xlink:title="NumberOfFinancialCovenants" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfFinancialCovenants_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_NumberOfFinancialCovenants_lbl" xml:lang="en-US" id="artna_NumberOfFinancialCovenants_lbl">Number of financial covenants in the events of default.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfFinancialCovenants" xlink:to="artna_NumberOfFinancialCovenants_lbl" xlink:title="label: NumberOfFinancialCovenants to artna_NumberOfFinancialCovenants_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfFinancialCovenants_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_NumberOfFinancialCovenants_lbl1" xml:lang="en-US" id="artna_NumberOfFinancialCovenants_lbl1">Number of Financial Covenants</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfFinancialCovenants" xlink:to="artna_NumberOfFinancialCovenants_lbl1" xlink:title="label: NumberOfFinancialCovenants to artna_NumberOfFinancialCovenants_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfFinancialCovenants_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_NumberOfFinancialCovenants_lbl2" xml:lang="en-US" id="artna_NumberOfFinancialCovenants_lbl2">Number of financial covenants</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfFinancialCovenants" xlink:to="artna_NumberOfFinancialCovenants_lbl2" xlink:title="label: NumberOfFinancialCovenants to artna_NumberOfFinancialCovenants_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_SlaughterBeachWaterCompanyMember" xlink:label="SlaughterBeachWaterCompanyMember" xlink:title="SlaughterBeachWaterCompanyMember" />
    <link:label xlink:type="resource" xlink:label="artna_SlaughterBeachWaterCompanyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_SlaughterBeachWaterCompanyMember_lbl" xml:lang="en-US" id="artna_SlaughterBeachWaterCompanyMember_lbl">A utility assets company in which the company acquired ownership interest on March 29, 2018.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SlaughterBeachWaterCompanyMember" xlink:to="artna_SlaughterBeachWaterCompanyMember_lbl" xlink:title="label: SlaughterBeachWaterCompanyMember to artna_SlaughterBeachWaterCompanyMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_SlaughterBeachWaterCompanyMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_SlaughterBeachWaterCompanyMember_lbl1" xml:lang="en-US" id="artna_SlaughterBeachWaterCompanyMember_lbl1">Slaughter Beach Water Company [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SlaughterBeachWaterCompanyMember" xlink:to="artna_SlaughterBeachWaterCompanyMember_lbl1" xlink:title="label: SlaughterBeachWaterCompanyMember to artna_SlaughterBeachWaterCompanyMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_SlaughterBeachWaterCompanyMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_SlaughterBeachWaterCompanyMember_lbl2" xml:lang="en-US" id="artna_SlaughterBeachWaterCompanyMember_lbl2">Slaughter Beach Water Company [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SlaughterBeachWaterCompanyMember" xlink:to="artna_SlaughterBeachWaterCompanyMember_lbl2" xlink:title="label: SlaughterBeachWaterCompanyMember to artna_SlaughterBeachWaterCompanyMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_NumberOfCustomers" xlink:label="NumberOfCustomers" xlink:title="NumberOfCustomers" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_NumberOfCustomers_lbl" xml:lang="en-US" id="artna_NumberOfCustomers_lbl">Represents number of customers to whom service is provided by the entity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfCustomers" xlink:to="artna_NumberOfCustomers_lbl" xlink:title="label: NumberOfCustomers to artna_NumberOfCustomers_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfCustomers_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_NumberOfCustomers_lbl1" xml:lang="en-US" id="artna_NumberOfCustomers_lbl1">Number of customers</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfCustomers" xlink:to="artna_NumberOfCustomers_lbl1" xlink:title="label: NumberOfCustomers to artna_NumberOfCustomers_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_NumberOfCustomers_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_NumberOfCustomers_lbl2" xml:lang="en-US" id="artna_NumberOfCustomers_lbl2">Number of customers</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfCustomers" xlink:to="artna_NumberOfCustomers_lbl2" xlink:title="label: NumberOfCustomers to artna_NumberOfCustomers_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_REGULATORYLIABILITIESAbstract" xlink:label="REGULATORYLIABILITIESAbstract" xlink:title="REGULATORYLIABILITIESAbstract" />
    <link:label xlink:type="resource" xlink:label="artna_REGULATORYLIABILITIESAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_REGULATORYLIABILITIESAbstract_lbl1" xml:lang="en-US" id="artna_REGULATORYLIABILITIESAbstract_lbl1">REGULATORY LIABILITIES [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="REGULATORYLIABILITIESAbstract" xlink:to="artna_REGULATORYLIABILITIESAbstract_lbl1" xlink:title="label: REGULATORYLIABILITIESAbstract to artna_REGULATORYLIABILITIESAbstract_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_RegulatoryLiabilitiesTextBlock" xlink:label="RegulatoryLiabilitiesTextBlock" xlink:title="RegulatoryLiabilitiesTextBlock" />
    <link:label xlink:type="resource" xlink:label="artna_RegulatoryLiabilitiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_RegulatoryLiabilitiesTextBlock_lbl" xml:lang="en-US" id="artna_RegulatoryLiabilitiesTextBlock_lbl">The entire disclosure of liabilities that are created when regulatory agencies permit public utilities to defer certain costs included in rate-setting to the balance sheet.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryLiabilitiesTextBlock" xlink:to="artna_RegulatoryLiabilitiesTextBlock_lbl" xlink:title="label: RegulatoryLiabilitiesTextBlock to artna_RegulatoryLiabilitiesTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_RegulatoryLiabilitiesTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_RegulatoryLiabilitiesTextBlock_lbl1" xml:lang="en-US" id="artna_RegulatoryLiabilitiesTextBlock_lbl1">Regulatory Liabilities [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryLiabilitiesTextBlock" xlink:to="artna_RegulatoryLiabilitiesTextBlock_lbl1" xlink:title="label: RegulatoryLiabilitiesTextBlock to artna_RegulatoryLiabilitiesTextBlock_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_RegulatoryLiabilitiesTextBlock_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_RegulatoryLiabilitiesTextBlock_lbl2" xml:lang="en-US" id="artna_RegulatoryLiabilitiesTextBlock_lbl2">REGULATORY LIABILITIES</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryLiabilitiesTextBlock" xlink:to="artna_RegulatoryLiabilitiesTextBlock_lbl2" xlink:title="label: RegulatoryLiabilitiesTextBlock to artna_RegulatoryLiabilitiesTextBlock_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded" xlink:label="TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded" xlink:title="TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded" />
    <link:label xlink:type="resource" xlink:label="artna_TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded_lbl" xml:lang="en-US" id="artna_TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded_lbl">The net regulatory liability amount recorded in utility subsidiaries pursuant to Tax Cuts and Jobs Act of 2017.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded" xlink:to="artna_TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded_lbl" xlink:title="label: TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded to artna_TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded_lbl1" xml:lang="en-US" id="artna_TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded_lbl1">Tax Cuts and Jobs Act of 2017, Net Regulatory Liability Amount Recorded</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded" xlink:to="artna_TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded_lbl1" xlink:title="label: TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded to artna_TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded_lbl2" xml:lang="en-US" id="artna_TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded_lbl2">Net regulatory liability amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded" xlink:to="artna_TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded_lbl2" xlink:title="label: TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded to artna_TaxCutsAndJobsActOf2017NetRegulatoryLiabilityAmountRecorded_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit" xlink:label="TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit" xlink:title="TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit" />
    <link:label xlink:type="resource" xlink:label="artna_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit_lbl" xml:lang="en-US" id="artna_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit_lbl">Amount of income tax benefit for remeasurement of deferred tax liability from change in tax rate pursuant to Tax Cuts and Jobs Act of 2017.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit" xlink:to="artna_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit_lbl" xlink:title="label: TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit to artna_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit_lbl1" xml:lang="en-US" id="artna_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit_lbl1">Tax Cuts and Jobs Act of 2017, Change in Tax Rate, Deferred Tax Liability, Income Tax Benefit</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit" xlink:to="artna_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit_lbl1" xlink:title="label: TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit to artna_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit_lbl2" xml:lang="en-US" id="artna_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit_lbl2">Decrease in the net deferred income tax liability</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit" xlink:to="artna_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit_lbl2" xlink:title="label: TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit to artna_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_RegulatoryLiabilitiesDisclosureAbstract" xlink:label="RegulatoryLiabilitiesDisclosureAbstract" xlink:title="RegulatoryLiabilitiesDisclosureAbstract" />
    <link:label xlink:type="resource" xlink:label="artna_RegulatoryLiabilitiesDisclosureAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_RegulatoryLiabilitiesDisclosureAbstract_lbl1" xml:lang="en-US" id="artna_RegulatoryLiabilitiesDisclosureAbstract_lbl1">Regulatory Liabilities Disclosure [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryLiabilitiesDisclosureAbstract" xlink:to="artna_RegulatoryLiabilitiesDisclosureAbstract_lbl1" xlink:title="label: RegulatoryLiabilitiesDisclosureAbstract to artna_RegulatoryLiabilitiesDisclosureAbstract_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_RegulatoryLiabilitiesDisclosureAbstract_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_RegulatoryLiabilitiesDisclosureAbstract_lbl2" xml:lang="en-US" id="artna_RegulatoryLiabilitiesDisclosureAbstract_lbl2">Regulatory Liabilities [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryLiabilitiesDisclosureAbstract" xlink:to="artna_RegulatoryLiabilitiesDisclosureAbstract_lbl2" xlink:title="label: RegulatoryLiabilitiesDisclosureAbstract to artna_RegulatoryLiabilitiesDisclosureAbstract_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_ConsumptionChargesMember" xlink:label="ConsumptionChargesMember" xlink:title="ConsumptionChargesMember" />
    <link:label xlink:type="resource" xlink:label="artna_ConsumptionChargesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_ConsumptionChargesMember_lbl" xml:lang="en-US" id="artna_ConsumptionChargesMember_lbl">Charges customer has to pay without regard to service consumed. For example, power utility bills usually carry a charge (under customer charge or some other name) that is levied without regard to power consumption.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConsumptionChargesMember" xlink:to="artna_ConsumptionChargesMember_lbl" xlink:title="label: ConsumptionChargesMember to artna_ConsumptionChargesMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_ConsumptionChargesMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_ConsumptionChargesMember_lbl1" xml:lang="en-US" id="artna_ConsumptionChargesMember_lbl1">Consumption Charges [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConsumptionChargesMember" xlink:to="artna_ConsumptionChargesMember_lbl1" xlink:title="label: ConsumptionChargesMember to artna_ConsumptionChargesMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_FixedFeesMember" xlink:label="FixedFeesMember" xlink:title="FixedFeesMember" />
    <link:label xlink:type="resource" xlink:label="artna_FixedFeesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_FixedFeesMember_lbl" xml:lang="en-US" id="artna_FixedFeesMember_lbl">Amount paid for work or a service, that does not change with the time the work takes or the amount the service is used.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FixedFeesMember" xlink:to="artna_FixedFeesMember_lbl" xlink:title="label: FixedFeesMember to artna_FixedFeesMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_FixedFeesMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_FixedFeesMember_lbl1" xml:lang="en-US" id="artna_FixedFeesMember_lbl1">Fixed Fees [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FixedFeesMember" xlink:to="artna_FixedFeesMember_lbl1" xlink:title="label: FixedFeesMember to artna_FixedFeesMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_ServiceChargesMember" xlink:label="ServiceChargesMember" xlink:title="ServiceChargesMember" />
    <link:label xlink:type="resource" xlink:label="artna_ServiceChargesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_ServiceChargesMember_lbl" xml:lang="en-US" id="artna_ServiceChargesMember_lbl">Assistance charges, including, but not limited to, technology, license and maintenance, license and service, maintenance, oil and gas, and financial service.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ServiceChargesMember" xlink:to="artna_ServiceChargesMember_lbl" xlink:title="label: ServiceChargesMember to artna_ServiceChargesMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_ServiceChargesMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_ServiceChargesMember_lbl1" xml:lang="en-US" id="artna_ServiceChargesMember_lbl1">Service Charges [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ServiceChargesMember" xlink:to="artna_ServiceChargesMember_lbl1" xlink:title="label: ServiceChargesMember to artna_ServiceChargesMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_DistributionSystemImprovementChargeMember" xlink:label="DistributionSystemImprovementChargeMember" xlink:title="DistributionSystemImprovementChargeMember" />
    <link:label xlink:type="resource" xlink:label="artna_DistributionSystemImprovementChargeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_DistributionSystemImprovementChargeMember_lbl" xml:lang="en-US" id="artna_DistributionSystemImprovementChargeMember_lbl">Amount of charges necessary to transport treated water from the point it exits the treatment facility to the point at which it is delivered to the customer.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DistributionSystemImprovementChargeMember" xlink:to="artna_DistributionSystemImprovementChargeMember_lbl" xlink:title="label: DistributionSystemImprovementChargeMember to artna_DistributionSystemImprovementChargeMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_DistributionSystemImprovementChargeMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_DistributionSystemImprovementChargeMember_lbl1" xml:lang="en-US" id="artna_DistributionSystemImprovementChargeMember_lbl1">Distribution System Improvement Charge [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DistributionSystemImprovementChargeMember" xlink:to="artna_DistributionSystemImprovementChargeMember_lbl1" xlink:title="label: DistributionSystemImprovementChargeMember to artna_DistributionSystemImprovementChargeMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="artna_DistributionSystemImprovementChargeMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="artna_DistributionSystemImprovementChargeMember_lbl2" xml:lang="en-US" id="artna_DistributionSystemImprovementChargeMember_lbl2">DSIC [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DistributionSystemImprovementChargeMember" xlink:to="artna_DistributionSystemImprovementChargeMember_lbl2" xlink:title="label: DistributionSystemImprovementChargeMember to artna_DistributionSystemImprovementChargeMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_RevenueReservedForRefundTCJAImpactMember" xlink:label="RevenueReservedForRefundTCJAImpactMember" xlink:title="RevenueReservedForRefundTCJAImpactMember" />
    <link:label xlink:type="resource" xlink:label="artna_RevenueReservedForRefundTCJAImpactMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_RevenueReservedForRefundTCJAImpactMember_lbl" xml:lang="en-US" id="artna_RevenueReservedForRefundTCJAImpactMember_lbl">Amount of cash outflow to customers for refund payments of revenue that was previously reported as revenue due to impact of Tax Cuts and Jobs Act of 2017 (TCJA).</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevenueReservedForRefundTCJAImpactMember" xlink:to="artna_RevenueReservedForRefundTCJAImpactMember_lbl" xlink:title="label: RevenueReservedForRefundTCJAImpactMember to artna_RevenueReservedForRefundTCJAImpactMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_RevenueReservedForRefundTCJAImpactMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_RevenueReservedForRefundTCJAImpactMember_lbl1" xml:lang="en-US" id="artna_RevenueReservedForRefundTCJAImpactMember_lbl1">Revenue Reserved for Refund - TCJA Impact [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevenueReservedForRefundTCJAImpactMember" xlink:to="artna_RevenueReservedForRefundTCJAImpactMember_lbl1" xlink:title="label: RevenueReservedForRefundTCJAImpactMember to artna_RevenueReservedForRefundTCJAImpactMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_ServiceLineProtectionPlansMember" xlink:label="ServiceLineProtectionPlansMember" xlink:title="ServiceLineProtectionPlansMember" />
    <link:label xlink:type="resource" xlink:label="artna_ServiceLineProtectionPlansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_ServiceLineProtectionPlansMember_lbl" xml:lang="en-US" id="artna_ServiceLineProtectionPlansMember_lbl">Amount allocated for service line protection plans which means a monthly fee, these programs may act as a warranty of sorts to help cover the costs of repairing underground supply lines, utility lines within your home, or both. A supply line brings water from a utility's main - or electricity or gas from a utility's distribution lines - to an individual home or business.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ServiceLineProtectionPlansMember" xlink:to="artna_ServiceLineProtectionPlansMember_lbl" xlink:title="label: ServiceLineProtectionPlansMember to artna_ServiceLineProtectionPlansMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_ServiceLineProtectionPlansMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_ServiceLineProtectionPlansMember_lbl1" xml:lang="en-US" id="artna_ServiceLineProtectionPlansMember_lbl1">Service Line Protection Plans [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ServiceLineProtectionPlansMember" xlink:to="artna_ServiceLineProtectionPlansMember_lbl1" xlink:title="label: ServiceLineProtectionPlansMember to artna_ServiceLineProtectionPlansMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_ContractOperationsMember" xlink:label="ContractOperationsMember" xlink:title="ContractOperationsMember" />
    <link:label xlink:type="resource" xlink:label="artna_ContractOperationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_ContractOperationsMember_lbl" xml:lang="en-US" id="artna_ContractOperationsMember_lbl">Contract management or contract administration is the management of contracts made with customers, vendors, partners, or employees.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractOperationsMember" xlink:to="artna_ContractOperationsMember_lbl" xlink:title="label: ContractOperationsMember to artna_ContractOperationsMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_ContractOperationsMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_ContractOperationsMember_lbl1" xml:lang="en-US" id="artna_ContractOperationsMember_lbl1">Contract Operations [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractOperationsMember" xlink:to="artna_ContractOperationsMember_lbl1" xlink:title="label: ContractOperationsMember to artna_ContractOperationsMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_InspectionFeesMember" xlink:label="InspectionFeesMember" xlink:title="InspectionFeesMember" />
    <link:label xlink:type="resource" xlink:label="artna_InspectionFeesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_InspectionFeesMember_lbl" xml:lang="en-US" id="artna_InspectionFeesMember_lbl">Amount paid for work or a service at the time of inspection.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InspectionFeesMember" xlink:to="artna_InspectionFeesMember_lbl" xlink:title="label: InspectionFeesMember to artna_InspectionFeesMember_lbl" />
    <link:label xlink:type="resource" xlink:label="artna_InspectionFeesMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="artna_InspectionFeesMember_lbl1" xml:lang="en-US" id="artna_InspectionFeesMember_lbl1">Inspection Fees [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InspectionFeesMember" xlink:to="artna_InspectionFeesMember_lbl1" xlink:title="label: InspectionFeesMember to artna_InspectionFeesMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_OtherOperatingRevenueNotInScopeOfASC606" xlink:label="OtherOperatingRevenueNotInScopeOfASC606" xlink:title="OtherOperatingRevenueNotInScopeOfASC606" />
    <link:label xlink:type="resource" xlink:label="artna_OtherOperatingRevenueNotInScopeOfASC606_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_OtherOperatingRevenueNotInScopeOfASC606_lbl" xml:lang="en-US" id="artna_OtherOperatingRevenueNotInScopeOfASC606_lbl">The total amount of revenue recognized for the period from rental income and other revenue.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherOperatingRevenueNotInScopeOfASC606" xlink:to="artna_OtherOperatingRevenueNotInScopeOfASC606_lbl" xlink:title="label: OtherOperatingRevenueNotInScopeOfASC606 to artna_OtherOperatingRevenueNotInScopeOfASC606_lbl" />
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    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_MinimumNumberOfDaysDueForAccountsReceivableFromRegulatedContractCustomers" xlink:label="MinimumNumberOfDaysDueForAccountsReceivableFromRegulatedContractCustomers" xlink:title="MinimumNumberOfDaysDueForAccountsReceivableFromRegulatedContractCustomers" />
    <link:label xlink:type="resource" xlink:label="artna_MinimumNumberOfDaysDueForAccountsReceivableFromRegulatedContractCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_MinimumNumberOfDaysDueForAccountsReceivableFromRegulatedContractCustomers_lbl" xml:lang="en-US" id="artna_MinimumNumberOfDaysDueForAccountsReceivableFromRegulatedContractCustomers_lbl">The minimum number of days due for accounts receivable after invoicing from regulated contract customers, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</link:label>
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    <link:loc xlink:type="locator" xlink:href="artna-20180630.xsd#artna_MinimumNumberOfDaysDueForAccountsReceivableFromServiceLineProtectionPlanCustomer" xlink:label="MinimumNumberOfDaysDueForAccountsReceivableFromServiceLineProtectionPlanCustomer" xlink:title="MinimumNumberOfDaysDueForAccountsReceivableFromServiceLineProtectionPlanCustomer" />
    <link:label xlink:type="resource" xlink:label="artna_MinimumNumberOfDaysDueForAccountsReceivableFromServiceLineProtectionPlanCustomer_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="artna_MinimumNumberOfDaysDueForAccountsReceivableFromServiceLineProtectionPlanCustomer_lbl" xml:lang="en-US" id="artna_MinimumNumberOfDaysDueForAccountsReceivableFromServiceLineProtectionPlanCustomer_lbl">The minimum number of days due for accounts receivable after invoicing from Service Line Protection Plans (SLP) customers, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</link:label>
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