<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva, formerly WebFilings-->
<!-- -->
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <roleRef roleURI="http://www.sjwater.com/role/BenefitPlans" xlink:href="sjw-20141231.xsd#BenefitPlans" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/BenefitPlansActuarialCalculationAssumptionsDetails" xlink:href="sjw-20141231.xsd#BenefitPlansActuarialCalculationAssumptionsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/BenefitPlansAmortizationDetails" xlink:href="sjw-20141231.xsd#BenefitPlansAmortizationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/BenefitPlansAmountsRecognizedInBalanceSheetDetails" xlink:href="sjw-20141231.xsd#BenefitPlansAmountsRecognizedInBalanceSheetDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/BenefitPlansBenefitsExpectedToBePaidInNextFiveYearsDetails" xlink:href="sjw-20141231.xsd#BenefitPlansBenefitsExpectedToBePaidInNextFiveYearsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/BenefitPlansFairValueOfPlanAssetsDetails" xlink:href="sjw-20141231.xsd#BenefitPlansFairValueOfPlanAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/BenefitPlansNarrativeDetails" xlink:href="sjw-20141231.xsd#BenefitPlansNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/BenefitPlansNetPeriodicBenefitCostDetails" xlink:href="sjw-20141231.xsd#BenefitPlansNetPeriodicBenefitCostDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/BenefitPlansPlanAssetsDetails" xlink:href="sjw-20141231.xsd#BenefitPlansPlanAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/BenefitPlansReconciliationOfFundedStatusDetails" xlink:href="sjw-20141231.xsd#BenefitPlansReconciliationOfFundedStatusDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/BenefitPlansRegulatoryAssetDetails" xlink:href="sjw-20141231.xsd#BenefitPlansRegulatoryAssetDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/BenefitPlansTables" xlink:href="sjw-20141231.xsd#BenefitPlansTables" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/CaliforniaWaterServiceGroupStock" xlink:href="sjw-20141231.xsd#CaliforniaWaterServiceGroupStock" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/CaliforniaWaterServiceGroupStockNarrativeDetails" xlink:href="sjw-20141231.xsd#CaliforniaWaterServiceGroupStockNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/Capitalization" xlink:href="sjw-20141231.xsd#Capitalization" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/CapitalizationNarrativeDetails" xlink:href="sjw-20141231.xsd#CapitalizationNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/Commitments" xlink:href="sjw-20141231.xsd#Commitments" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/CommitmentsNarrativeDetails" xlink:href="sjw-20141231.xsd#CommitmentsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/ConsolidatedBalanceSheets" xlink:href="sjw-20141231.xsd#ConsolidatedBalanceSheets" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:href="sjw-20141231.xsd#ConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/ConsolidatedStatementOfCashFlows" xlink:href="sjw-20141231.xsd#ConsolidatedStatementOfCashFlows" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity" xlink:href="sjw-20141231.xsd#ConsolidatedStatementsOfChangesInShareholdersEquity" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/ConsolidatedStatementsOfChangesInShareholdersEquityParenthetical" xlink:href="sjw-20141231.xsd#ConsolidatedStatementsOfChangesInShareholdersEquityParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical" xlink:href="sjw-20141231.xsd#ConsolidatedStatementsOfComprehensiveIncomeParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/ConsolidatedStatementsOfIncomeAndComprehensiveIncome" xlink:href="sjw-20141231.xsd#ConsolidatedStatementsOfIncomeAndComprehensiveIncome" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/Contingencies" xlink:href="sjw-20141231.xsd#Contingencies" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/DocumentAndEntityInformationDocument" xlink:href="sjw-20141231.xsd#DocumentAndEntityInformationDocument" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/EquityPlans" xlink:href="sjw-20141231.xsd#EquityPlans" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/EquityPlansEquityPlansDetails" xlink:href="sjw-20141231.xsd#EquityPlansEquityPlansDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/EquityPlansRestrictedStockAndDeferredRestrictedStockActivityDetails" xlink:href="sjw-20141231.xsd#EquityPlansRestrictedStockAndDeferredRestrictedStockActivityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/EquityPlansStockOptionActivityDetails" xlink:href="sjw-20141231.xsd#EquityPlansStockOptionActivityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/EquityPlansTables" xlink:href="sjw-20141231.xsd#EquityPlansTables" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/IncomeTaxes" xlink:href="sjw-20141231.xsd#IncomeTaxes" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/IncomeTaxesComponentsOfDeferredTaxAssetsAndLiabilitiesDetails" xlink:href="sjw-20141231.xsd#IncomeTaxesComponentsOfDeferredTaxAssetsAndLiabilitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/IncomeTaxesComponentsOfIncomeTaxExpenseBenefitDetails" xlink:href="sjw-20141231.xsd#IncomeTaxesComponentsOfIncomeTaxExpenseBenefitDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/IncomeTaxesFederalStatutoryRateReconciliationDetails" xlink:href="sjw-20141231.xsd#IncomeTaxesFederalStatutoryRateReconciliationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/IncomeTaxesTables" xlink:href="sjw-20141231.xsd#IncomeTaxesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/IncomeTaxesTaxYearsUnderExaminationDetails" xlink:href="sjw-20141231.xsd#IncomeTaxesTaxYearsUnderExaminationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/IncomeTaxesUnrecognizedTaxBenefitsDetails" xlink:href="sjw-20141231.xsd#IncomeTaxesUnrecognizedTaxBenefitsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/IntangibleAssets" xlink:href="sjw-20141231.xsd#IntangibleAssets" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/IntangibleAssetsNarrativeDetails" xlink:href="sjw-20141231.xsd#IntangibleAssetsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/IntangibleAssetsTables" xlink:href="sjw-20141231.xsd#IntangibleAssetsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/LinesOfCredit" xlink:href="sjw-20141231.xsd#LinesOfCredit" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/LinesOfCreditNarrativeDetails" xlink:href="sjw-20141231.xsd#LinesOfCreditNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/LongTermDebt" xlink:href="sjw-20141231.xsd#LongTermDebt" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/LongTermDebtDebtMaturityScheduleDetails" xlink:href="sjw-20141231.xsd#LongTermDebtDebtMaturityScheduleDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/LongTermDebtLongTermDebtScheduleDetails" xlink:href="sjw-20141231.xsd#LongTermDebtLongTermDebtScheduleDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/LongTermDebtNarrativeDetails" xlink:href="sjw-20141231.xsd#LongTermDebtNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/LongTermDebtTables" xlink:href="sjw-20141231.xsd#LongTermDebtTables" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/PartnershipInterest" xlink:href="sjw-20141231.xsd#PartnershipInterest" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/PartnershipInterestNarrativeDetails" xlink:href="sjw-20141231.xsd#PartnershipInterestNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/SegmentAndNonTariffedBusinessReportingDetails" xlink:href="sjw-20141231.xsd#SegmentAndNonTariffedBusinessReportingDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/SegmentAndNonTariffedBusinessesReporting" xlink:href="sjw-20141231.xsd#SegmentAndNonTariffedBusinessesReporting" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/SegmentAndNonTariffedBusinessesReportingTables" xlink:href="sjw-20141231.xsd#SegmentAndNonTariffedBusinessesReportingTables" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPolicies" xlink:href="sjw-20141231.xsd#SummaryOfSignificantAccountingPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesAdvancesForConstructionAndContributionsInAidOfConstructionDetails" xlink:href="sjw-20141231.xsd#SummaryOfSignificantAccountingPoliciesAdvancesForConstructionAndContributionsInAidOfConstructionDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesAssetRetirementObligationDetails" xlink:href="sjw-20141231.xsd#SummaryOfSignificantAccountingPoliciesAssetRetirementObligationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesBalancingAndMemorandumAccountsDetails" xlink:href="sjw-20141231.xsd#SummaryOfSignificantAccountingPoliciesBalancingAndMemorandumAccountsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesEarningsPerShareDetails" xlink:href="sjw-20141231.xsd#SummaryOfSignificantAccountingPoliciesEarningsPerShareDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesNarrativeDetails" xlink:href="sjw-20141231.xsd#SummaryOfSignificantAccountingPoliciesNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:href="sjw-20141231.xsd#SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesRealEstateInvestmentsDetails" xlink:href="sjw-20141231.xsd#SummaryOfSignificantAccountingPoliciesRealEstateInvestmentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesRegulatoryRateFilingsDetails" xlink:href="sjw-20141231.xsd#SummaryOfSignificantAccountingPoliciesRegulatoryRateFilingsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesRevenueBalancingAndMemorandumAccountsDetails" xlink:href="sjw-20141231.xsd#SummaryOfSignificantAccountingPoliciesRevenueBalancingAndMemorandumAccountsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:href="sjw-20141231.xsd#SummaryOfSignificantAccountingPoliciesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesUtilityPlantDetails" xlink:href="sjw-20141231.xsd#SummaryOfSignificantAccountingPoliciesUtilityPlantDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/UnauditedQuarterlyFinancialData" xlink:href="sjw-20141231.xsd#UnauditedQuarterlyFinancialData" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/UnauditedQuarterlyFinancialDataTables" xlink:href="sjw-20141231.xsd#UnauditedQuarterlyFinancialDataTables" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/UnauditedQuarterlyFinancialInformationDetails" xlink:href="sjw-20141231.xsd#UnauditedQuarterlyFinancialInformationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/ValuationAndQualifyingAccountsAndReservesDetails" xlink:href="sjw-20141231.xsd#ValuationAndQualifyingAccountsAndReservesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.sjwater.com/role/ValuationAndQualifyingAccountsAndReservesNotes" xlink:href="sjw-20141231.xsd#ValuationAndQualifyingAccountsAndReservesNotes" xlink:type="simple" />
  <calculationLink xlink:role="http://www.sjwater.com/role/BenefitPlans" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/BenefitPlansActuarialCalculationAssumptionsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/BenefitPlansAmortizationDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanAmountToBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossNextFiscalYear" xlink:label="loc_us-gaap_DefinedBenefitPlanAmountToBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossNextFiscalYear_e0ad41b7-9eab-545b-8033-8b7ceb7a3830" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanFutureAmortizationOfPriorServiceCostCredit" xlink:label="loc_us-gaap_DefinedBenefitPlanFutureAmortizationOfPriorServiceCostCredit_03ebad9e-4bb1-5964-f321-8e0ab94000f2" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanAmountToBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossNextFiscalYear_e0ad41b7-9eab-545b-8033-8b7ceb7a3830" xlink:to="loc_us-gaap_DefinedBenefitPlanFutureAmortizationOfPriorServiceCostCredit_03ebad9e-4bb1-5964-f321-8e0ab94000f2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanFutureAmortizationOfGainLoss" xlink:label="loc_us-gaap_DefinedBenefitPlanFutureAmortizationOfGainLoss_17b70285-5a10-a1fa-4858-07d94c44ecf7" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanAmountToBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossNextFiscalYear_e0ad41b7-9eab-545b-8033-8b7ceb7a3830" xlink:to="loc_us-gaap_DefinedBenefitPlanFutureAmortizationOfGainLoss_17b70285-5a10-a1fa-4858-07d94c44ecf7" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.sjwater.com/role/BenefitPlansAmountsRecognizedInBalanceSheetDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent_441851d6-f005-83c2-aaae-348a6d9a76d3" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities_ddef2d17-f448-9b8f-3dd8-956798d670b5" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent_441851d6-f005-83c2-aaae-348a6d9a76d3" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities_ddef2d17-f448-9b8f-3dd8-956798d670b5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_fd7ec8f3-ea42-3556-c2ff-1e0017d5624d" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent_441851d6-f005-83c2-aaae-348a6d9a76d3" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_fd7ec8f3-ea42-3556-c2ff-1e0017d5624d" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.sjwater.com/role/BenefitPlansBenefitsExpectedToBePaidInNextFiveYearsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/BenefitPlansFairValueOfPlanAssetsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/BenefitPlansNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/BenefitPlansNetPeriodicBenefitCostDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fee9d8ff-fd26-12ad-4d95-326cf1a683bb" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_b2ca541c-d86d-5c3b-6188-6379e9fcf913" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fee9d8ff-fd26-12ad-4d95-326cf1a683bb" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_b2ca541c-d86d-5c3b-6188-6379e9fcf913" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_47d033d5-90ba-de1b-01bf-8c87d27542f6" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fee9d8ff-fd26-12ad-4d95-326cf1a683bb" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_47d033d5-90ba-de1b-01bf-8c87d27542f6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_c4a852c5-38c7-000b-98a8-4b76e12193cd" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fee9d8ff-fd26-12ad-4d95-326cf1a683bb" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_c4a852c5-38c7-000b-98a8-4b76e12193cd" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfTransitionObligationsAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfTransitionObligationsAssets_82dcdab5-162f-8ae6-114a-b619ba560603" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fee9d8ff-fd26-12ad-4d95-326cf1a683bb" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfTransitionObligationsAssets_82dcdab5-162f-8ae6-114a-b619ba560603" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_b5091fe7-6608-c5c7-4813-75c0431e9e29" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fee9d8ff-fd26-12ad-4d95-326cf1a683bb" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_b5091fe7-6608-c5c7-4813-75c0431e9e29" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1_8a222b66-c6d8-c54c-343e-2bcd80a72355" xlink:type="locator" />
    <calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fee9d8ff-fd26-12ad-4d95-326cf1a683bb" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1_8a222b66-c6d8-c54c-343e-2bcd80a72355" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.sjwater.com/role/BenefitPlansPlanAssetsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/BenefitPlansReconciliationOfFundedStatusDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:label="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_25a14b35-2665-5dc9-2f3c-e3f50a157eda" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_f5ea0b46-91b8-b82a-f895-87fd10e9a4d2" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_25a14b35-2665-5dc9-2f3c-e3f50a157eda" xlink:to="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_f5ea0b46-91b8-b82a-f895-87fd10e9a4d2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitObligation_e2bbc916-fea2-8cfd-c1a7-454148193ed3" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_25a14b35-2665-5dc9-2f3c-e3f50a157eda" xlink:to="loc_us-gaap_DefinedBenefitPlanBenefitObligation_e2bbc916-fea2-8cfd-c1a7-454148193ed3" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.sjwater.com/role/BenefitPlansRegulatoryAssetDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RegulatoryAssets" xlink:label="loc_us-gaap_RegulatoryAssets_b7e03647-8523-8c8a-4722-f8de1c1f15b1" xlink:type="locator" />
    <loc xlink:href="sjw-20141231.xsd#sjw_RegulatoryAssetsAmountToBeRecoveredInFutureRates" xlink:label="loc_sjw_RegulatoryAssetsAmountToBeRecoveredInFutureRates_d208b473-6690-673f-a983-a3827821e298" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_RegulatoryAssets_b7e03647-8523-8c8a-4722-f8de1c1f15b1" xlink:to="loc_sjw_RegulatoryAssetsAmountToBeRecoveredInFutureRates_d208b473-6690-673f-a983-a3827821e298" xlink:type="arc" />
    <loc xlink:href="sjw-20141231.xsd#sjw_RegulatoryAssetsFundedStatusOfObligation" xlink:label="loc_sjw_RegulatoryAssetsFundedStatusOfObligation_2204956e-06ee-4c69-602c-a38274cf91b8" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_sjw_RegulatoryAssetsAmountToBeRecoveredInFutureRates_d208b473-6690-673f-a983-a3827821e298" xlink:to="loc_sjw_RegulatoryAssetsFundedStatusOfObligation_2204956e-06ee-4c69-602c-a38274cf91b8" xlink:type="arc" />
    <loc xlink:href="sjw-20141231.xsd#sjw_RegulatoryLiabilitiesAccruedBenefitCost" xlink:label="loc_sjw_RegulatoryLiabilitiesAccruedBenefitCost_520f00ab-ffe8-339f-5a4e-a38276cdfca9" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_sjw_RegulatoryAssetsAmountToBeRecoveredInFutureRates_d208b473-6690-673f-a983-a3827821e298" xlink:to="loc_sjw_RegulatoryLiabilitiesAccruedBenefitCost_520f00ab-ffe8-339f-5a4e-a38276cdfca9" xlink:type="arc" />
    <loc xlink:href="sjw-20141231.xsd#sjw_RegulatoryAssetsTaxGrossUp" xlink:label="loc_sjw_RegulatoryAssetsTaxGrossUp_b6a14387-2a58-72bc-a496-a38277098ce4" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_RegulatoryAssets_b7e03647-8523-8c8a-4722-f8de1c1f15b1" xlink:to="loc_sjw_RegulatoryAssetsTaxGrossUp_b6a14387-2a58-72bc-a496-a38277098ce4" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.sjwater.com/role/BenefitPlansTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/CaliforniaWaterServiceGroupStock" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/CaliforniaWaterServiceGroupStockNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/Capitalization" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/CapitalizationNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/Commitments" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/CommitmentsNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_ae9fd5e7-8741-dfbd-241e-1460ec6c786e" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_1477e02d-b6d8-3df6-e715-8364fedce6d9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ae9fd5e7-8741-dfbd-241e-1460ec6c786e" xlink:to="loc_us-gaap_LiabilitiesCurrent_1477e02d-b6d8-3df6-e715-8364fedce6d9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_0601d697-1537-c3cb-caaf-11141ac92b39" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1477e02d-b6d8-3df6-e715-8364fedce6d9" xlink:to="loc_us-gaap_LongTermDebtCurrent_0601d697-1537-c3cb-caaf-11141ac92b39" xlink:type="arc" />
    <loc xlink:href="sjw-20141231.xsd#sjw_AccruedGroundwaterExtractionChargesAndPurchasedWater" xlink:label="loc_sjw_AccruedGroundwaterExtractionChargesAndPurchasedWater_3a7073a3-5547-5539-6b02-a37bb45147c4" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1477e02d-b6d8-3df6-e715-8364fedce6d9" xlink:to="loc_sjw_AccruedGroundwaterExtractionChargesAndPurchasedWater_3a7073a3-5547-5539-6b02-a37bb45147c4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LinesOfCreditCurrent" xlink:label="loc_us-gaap_LinesOfCreditCurrent_37f640e0-3fac-dd55-c295-d8d14cefc1bb" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1477e02d-b6d8-3df6-e715-8364fedce6d9" xlink:to="loc_us-gaap_LinesOfCreditCurrent_37f640e0-3fac-dd55-c295-d8d14cefc1bb" xlink:type="arc" />
    <loc xlink:href="sjw-20141231.xsd#sjw_PurchasedPower" xlink:label="loc_sjw_PurchasedPower_fcfe3188-948c-22fd-20f4-a37bb479899d" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1477e02d-b6d8-3df6-e715-8364fedce6d9" xlink:to="loc_sjw_PurchasedPower_fcfe3188-948c-22fd-20f4-a37bb479899d" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_bd7b63fa-09ae-1100-16fe-5ac027208548" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1477e02d-b6d8-3df6-e715-8364fedce6d9" xlink:to="loc_us-gaap_AccountsPayableCurrent_bd7b63fa-09ae-1100-16fe-5ac027208548" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestPayableCurrent" xlink:label="loc_us-gaap_InterestPayableCurrent_bb772f62-f5a6-bab7-e2c1-84f314d9b18f" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1477e02d-b6d8-3df6-e715-8364fedce6d9" xlink:to="loc_us-gaap_InterestPayableCurrent_bb772f62-f5a6-bab7-e2c1-84f314d9b18f" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent" xlink:label="loc_us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent_bc5586e8-703f-2f47-b779-2bd07fa1b4ba" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1477e02d-b6d8-3df6-e715-8364fedce6d9" xlink:to="loc_us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent_bc5586e8-703f-2f47-b779-2bd07fa1b4ba" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_d69c5cc5-fc70-31a7-c2b1-924eb363b75b" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1477e02d-b6d8-3df6-e715-8364fedce6d9" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_d69c5cc5-fc70-31a7-c2b1-924eb363b75b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_80fb613f-3ffa-40b4-21a0-ecd4148b8f5c" xlink:type="locator" />
    <calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1477e02d-b6d8-3df6-e715-8364fedce6d9" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_80fb613f-3ffa-40b4-21a0-ecd4148b8f5c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalizationLongtermDebtAndEquity" xlink:label="loc_us-gaap_CapitalizationLongtermDebtAndEquity_9fc0f05e-97ec-e362-5015-55d17f3dcc20" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ae9fd5e7-8741-dfbd-241e-1460ec6c786e" xlink:to="loc_us-gaap_CapitalizationLongtermDebtAndEquity_9fc0f05e-97ec-e362-5015-55d17f3dcc20" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_26e56c7a-24ab-e869-809a-0509ccbe86d9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CapitalizationLongtermDebtAndEquity_9fc0f05e-97ec-e362-5015-55d17f3dcc20" xlink:to="loc_us-gaap_StockholdersEquity_26e56c7a-24ab-e869-809a-0509ccbe86d9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_ffd09989-75a8-4713-beb0-21bebb3561d6" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_26e56c7a-24ab-e869-809a-0509ccbe86d9" xlink:to="loc_us-gaap_CommonStockValue_ffd09989-75a8-4713-beb0-21bebb3561d6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_3c55800a-0ae8-71c7-e1d1-5e4859c50246" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_26e56c7a-24ab-e869-809a-0509ccbe86d9" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_3c55800a-0ae8-71c7-e1d1-5e4859c50246" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_440a13e9-e4dc-f397-4d0d-27daacd44483" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_26e56c7a-24ab-e869-809a-0509ccbe86d9" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_440a13e9-e4dc-f397-4d0d-27daacd44483" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_4d60b95b-a2a9-55da-7eaa-2ca718a58484" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_26e56c7a-24ab-e869-809a-0509ccbe86d9" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_4d60b95b-a2a9-55da-7eaa-2ca718a58484" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_89b83a57-ffbc-fc48-170d-f8b25d163e54" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CapitalizationLongtermDebtAndEquity_9fc0f05e-97ec-e362-5015-55d17f3dcc20" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_89b83a57-ffbc-fc48-170d-f8b25d163e54" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_43aaac76-959d-69e2-234b-7c7a89d77345" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ae9fd5e7-8741-dfbd-241e-1460ec6c786e" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_43aaac76-959d-69e2-234b-7c7a89d77345" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedDeferredInvestmentTaxCredit" xlink:label="loc_us-gaap_AccumulatedDeferredInvestmentTaxCredit_ea13a168-f26b-c729-8ff6-57d022052d55" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ae9fd5e7-8741-dfbd-241e-1460ec6c786e" xlink:to="loc_us-gaap_AccumulatedDeferredInvestmentTaxCredit_ea13a168-f26b-c729-8ff6-57d022052d55" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CustomerAdvancesForConstruction" xlink:label="loc_us-gaap_CustomerAdvancesForConstruction_5df02c4b-46f1-5c3f-4dd1-871638e4cb4d" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ae9fd5e7-8741-dfbd-241e-1460ec6c786e" xlink:to="loc_us-gaap_CustomerAdvancesForConstruction_5df02c4b-46f1-5c3f-4dd1-871638e4cb4d" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ContributionsInAidOfConstruction" xlink:label="loc_us-gaap_ContributionsInAidOfConstruction_3a94a352-9af2-e0a4-e441-8e3ac23a0c6d" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ae9fd5e7-8741-dfbd-241e-1460ec6c786e" xlink:to="loc_us-gaap_ContributionsInAidOfConstruction_3a94a352-9af2-e0a4-e441-8e3ac23a0c6d" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredRevenue" xlink:label="loc_us-gaap_DeferredRevenue_c1b68c4d-8f36-1473-28ec-224ae4a344b2" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ae9fd5e7-8741-dfbd-241e-1460ec6c786e" xlink:to="loc_us-gaap_DeferredRevenue_c1b68c4d-8f36-1473-28ec-224ae4a344b2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_fd7ec8f3-ea42-3556-c2ff-1e0017d5624d" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ae9fd5e7-8741-dfbd-241e-1460ec6c786e" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_fd7ec8f3-ea42-3556-c2ff-1e0017d5624d" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_f7fce5cd-2d53-a8b3-a485-6d0f3635b8fe" xlink:type="locator" />
    <calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ae9fd5e7-8741-dfbd-241e-1460ec6c786e" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_f7fce5cd-2d53-a8b3-a485-6d0f3635b8fe" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_a7bb915d-e645-20d7-7b2e-623731454f45" xlink:type="locator" />
    <calculationArc order="10" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ae9fd5e7-8741-dfbd-241e-1460ec6c786e" xlink:to="loc_us-gaap_CommitmentsAndContingencies_a7bb915d-e645-20d7-7b2e-623731454f45" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_b517a4f1-4597-b094-2608-75af660328e1" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_e8670a3c-73dc-a0c5-5905-86a5818e5871" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_b517a4f1-4597-b094-2608-75af660328e1" xlink:to="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_e8670a3c-73dc-a0c5-5905-86a5818e5871" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_c4121e9a-097d-7136-dbac-b93469330286" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_e8670a3c-73dc-a0c5-5905-86a5818e5871" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_c4121e9a-097d-7136-dbac-b93469330286" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_c593c9d5-7b97-2738-5b1c-456c50a224c6" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_c4121e9a-097d-7136-dbac-b93469330286" xlink:to="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_c593c9d5-7b97-2738-5b1c-456c50a224c6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress_24c5d482-aab5-80de-8319-44f4df8658f6" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_c4121e9a-097d-7136-dbac-b93469330286" xlink:to="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress_24c5d482-aab5-80de-8319-44f4df8658f6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentLand" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentLand_c134dd80-20d9-224b-4231-eec79a83f0bb" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_c4121e9a-097d-7136-dbac-b93469330286" xlink:to="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentLand_c134dd80-20d9-224b-4231-eec79a83f0bb" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_42b85d66-347c-1d04-e532-6585df9e0ef3" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_c4121e9a-097d-7136-dbac-b93469330286" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_42b85d66-347c-1d04-e532-6585df9e0ef3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation_58359e38-40de-a7b8-d4f6-582d0655e9b8" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_e8670a3c-73dc-a0c5-5905-86a5818e5871" xlink:to="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation_58359e38-40de-a7b8-d4f6-582d0655e9b8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_a1eaafaf-055b-e423-85ef-4424fb2ef4e4" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_b517a4f1-4597-b094-2608-75af660328e1" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_a1eaafaf-055b-e423-85ef-4424fb2ef4e4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RealEstateInvestmentPropertyAtCost" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyAtCost_224b845e-35c8-f827-1393-ac76d3bfbdb0" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_a1eaafaf-055b-e423-85ef-4424fb2ef4e4" xlink:to="loc_us-gaap_RealEstateInvestmentPropertyAtCost_224b845e-35c8-f827-1393-ac76d3bfbdb0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_5499fe8f-bf4e-e772-1aec-9b0ac3a4a022" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_a1eaafaf-055b-e423-85ef-4424fb2ef4e4" xlink:to="loc_us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_5499fe8f-bf4e-e772-1aec-9b0ac3a4a022" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_67f49e84-05fd-4b0b-ae5a-e9913b97cea2" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_b517a4f1-4597-b094-2608-75af660328e1" xlink:to="loc_us-gaap_AssetsCurrent_67f49e84-05fd-4b0b-ae5a-e9913b97cea2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_999960f8-6702-f7e9-88df-fcb8021751b2" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_67f49e84-05fd-4b0b-ae5a-e9913b97cea2" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_999960f8-6702-f7e9-88df-fcb8021751b2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_dc301a2a-78b3-2f7c-72b2-6d5ec18f9327" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_67f49e84-05fd-4b0b-ae5a-e9913b97cea2" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_dc301a2a-78b3-2f7c-72b2-6d5ec18f9327" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxesReceivable" xlink:label="loc_us-gaap_IncomeTaxesReceivable_b55f8997-2ee7-02b3-cb5b-06e177e6e17d" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_67f49e84-05fd-4b0b-ae5a-e9913b97cea2" xlink:to="loc_us-gaap_IncomeTaxesReceivable_b55f8997-2ee7-02b3-cb5b-06e177e6e17d" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NontradeReceivablesCurrent" xlink:label="loc_us-gaap_NontradeReceivablesCurrent_fdeda190-bee2-6a49-6552-019b74905886" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_67f49e84-05fd-4b0b-ae5a-e9913b97cea2" xlink:to="loc_us-gaap_NontradeReceivablesCurrent_fdeda190-bee2-6a49-6552-019b74905886" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ReceivablesLongTermContractsOrPrograms" xlink:label="loc_us-gaap_ReceivablesLongTermContractsOrPrograms_26453d5c-d71b-8e6f-7fc0-07b115452ad8" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_67f49e84-05fd-4b0b-ae5a-e9913b97cea2" xlink:to="loc_us-gaap_ReceivablesLongTermContractsOrPrograms_26453d5c-d71b-8e6f-7fc0-07b115452ad8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PublicUtilitiesInventory" xlink:label="loc_us-gaap_PublicUtilitiesInventory_257ec37b-aebb-0c03-c17c-84b38a931cb6" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_67f49e84-05fd-4b0b-ae5a-e9913b97cea2" xlink:to="loc_us-gaap_PublicUtilitiesInventory_257ec37b-aebb-0c03-c17c-84b38a931cb6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PrepaidExpenseCurrent" xlink:label="loc_us-gaap_PrepaidExpenseCurrent_d8efa5f9-d69a-54ac-efc6-6e7e03d11640" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_67f49e84-05fd-4b0b-ae5a-e9913b97cea2" xlink:to="loc_us-gaap_PrepaidExpenseCurrent_d8efa5f9-d69a-54ac-efc6-6e7e03d11640" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RegulatoryAssetsCurrent" xlink:label="loc_us-gaap_RegulatoryAssetsCurrent_ddcac496-60ce-cc38-3346-282b52dcdc6b" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_67f49e84-05fd-4b0b-ae5a-e9913b97cea2" xlink:to="loc_us-gaap_RegulatoryAssetsCurrent_ddcac496-60ce-cc38-3346-282b52dcdc6b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsNoncurrent" xlink:label="loc_us-gaap_AssetsNoncurrent_d0d0d3d2-a57d-313f-aa09-3ce09e212c98" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_b517a4f1-4597-b094-2608-75af660328e1" xlink:to="loc_us-gaap_AssetsNoncurrent_d0d0d3d2-a57d-313f-aa09-3ce09e212c98" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesEquitySecuritiesNoncurrent" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesEquitySecuritiesNoncurrent_0ff2a91f-003c-905d-a66d-1e6b24fef6b5" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_d0d0d3d2-a57d-313f-aa09-3ce09e212c98" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesEquitySecuritiesNoncurrent_0ff2a91f-003c-905d-a66d-1e6b24fef6b5" xlink:type="arc" />
    <loc xlink:href="sjw-20141231.xsd#sjw_UnamortizedDebtIssuanceExpenseAndBrokerFees" xlink:label="loc_sjw_UnamortizedDebtIssuanceExpenseAndBrokerFees_c5261b21-43c3-654e-d2fd-a37bb4a1cb9b" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_d0d0d3d2-a57d-313f-aa09-3ce09e212c98" xlink:to="loc_sjw_UnamortizedDebtIssuanceExpenseAndBrokerFees_c5261b21-43c3-654e-d2fd-a37bb4a1cb9b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RegulatoryAssetsNoncurrent" xlink:label="loc_us-gaap_RegulatoryAssetsNoncurrent_5810c1e5-ee98-6b1c-adef-bf6c1c9d8cdf" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_d0d0d3d2-a57d-313f-aa09-3ce09e212c98" xlink:to="loc_us-gaap_RegulatoryAssetsNoncurrent_5810c1e5-ee98-6b1c-adef-bf6c1c9d8cdf" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_4599c23a-11f0-4277-ea32-9886d26f8792" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_d0d0d3d2-a57d-313f-aa09-3ce09e212c98" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_4599c23a-11f0-4277-ea32-9886d26f8792" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.sjwater.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/ConsolidatedStatementOfCashFlows" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_46b895b2-8ff5-9e37-d4c3-5b75649cbcba" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_46b895b2-8ff5-9e37-d4c3-5b75649cbcba" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_76f611bf-6cac-2837-6d7c-3028d488fc3b" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_76f611bf-6cac-2837-6d7c-3028d488fc3b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_b14e4ab6-e003-13d4-eacd-26899afc8b93" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_b14e4ab6-e003-13d4-eacd-26899afc8b93" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_faecc408-4bea-6e13-83bd-71b4c2ddf64c" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_NetIncomeLoss_faecc408-4bea-6e13-83bd-71b4c2ddf64c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_aa7a0bc5-86c6-13a8-3676-9960bad8007f" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_ShareBasedCompensation_aa7a0bc5-86c6-13a8-3676-9960bad8007f" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainLossOnSaleOfProperties" xlink:label="loc_us-gaap_GainLossOnSaleOfProperties_4bcd027f-8a81-6088-1149-e067a9d0f05f" xlink:type="locator" />
    <calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_GainLossOnSaleOfProperties_4bcd027f-8a81-6088-1149-e067a9d0f05f" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet_0070a4bc-e722-25a9-6590-00dc4709c017" xlink:type="locator" />
    <calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet_0070a4bc-e722-25a9-6590-00dc4709c017" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInReceivables_b7b4b1a7-b864-5660-8468-21c7409fee96" xlink:type="locator" />
    <calculationArc order="7" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_IncreaseDecreaseInReceivables_b7b4b1a7-b864-5660-8468-21c7409fee96" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_b9fb8522-752c-3209-8cca-60e64f420ad5" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_b9fb8522-752c-3209-8cca-60e64f420ad5" xlink:type="arc" />
    <loc xlink:href="sjw-20141231.xsd#sjw_IncreaseDecreaseInAccruedGroundwaterExtractionChargesAndPurchasedWater" xlink:label="loc_sjw_IncreaseDecreaseInAccruedGroundwaterExtractionChargesAndPurchasedWater_f90b5cd2-4dc2-a3c8-5861-a37bb46f68bc" xlink:type="locator" />
    <calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_sjw_IncreaseDecreaseInAccruedGroundwaterExtractionChargesAndPurchasedWater_f90b5cd2-4dc2-a3c8-5861-a37bb46f68bc" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedTaxesPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedTaxesPayable_b801da4e-dae6-4217-9883-9a09c8ffe712" xlink:type="locator" />
    <calculationArc order="10" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedTaxesPayable_b801da4e-dae6-4217-9883-9a09c8ffe712" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_e8d4ae79-a40a-c59b-cfc8-5b339045a986" xlink:type="locator" />
    <calculationArc order="11" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_e8d4ae79-a40a-c59b-cfc8-5b339045a986" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInPensionAndPostretirementObligations" xlink:label="loc_us-gaap_IncreaseDecreaseInPensionAndPostretirementObligations_391b3311-37e0-bd23-7984-4221f6020294" xlink:type="locator" />
    <calculationArc order="12" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_IncreaseDecreaseInPensionAndPostretirementObligations_391b3311-37e0-bd23-7984-4221f6020294" xlink:type="arc" />
    <loc xlink:href="sjw-20141231.xsd#sjw_IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilities" xlink:label="loc_sjw_IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilities_982eb6bc-2244-dc3b-39e9-a38274edf96d" xlink:type="locator" />
    <calculationArc order="13" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_sjw_IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilities_982eb6bc-2244-dc3b-39e9-a38274edf96d" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_b8c20b3a-3bcf-0736-e626-15ffaf302374" xlink:type="locator" />
    <calculationArc order="14" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_b8c20b3a-3bcf-0736-e626-15ffaf302374" xlink:type="arc" />
    <loc xlink:href="sjw-20141231.xsd#sjw_IncreaseDecreaseToRegulatoryAssetRelatedToBalancingAndMemorandumAccounts" xlink:label="loc_sjw_IncreaseDecreaseToRegulatoryAssetRelatedToBalancingAndMemorandumAccounts_15298800-c6be-a62d-1e7d-a37bb48de11a" xlink:type="locator" />
    <calculationArc order="15" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_sjw_IncreaseDecreaseToRegulatoryAssetRelatedToBalancingAndMemorandumAccounts_15298800-c6be-a62d-1e7d-a37bb48de11a" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_fb013d5f-7e0c-1a40-5a42-42bd8c3a1d51" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_46b895b2-8ff5-9e37-d4c3-5b75649cbcba" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_fb013d5f-7e0c-1a40-5a42-42bd8c3a1d51" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsToAcquireWaterSystems" xlink:label="loc_us-gaap_PaymentsToAcquireWaterSystems_52946eab-9557-64ee-e519-8d3eb07c5279" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_fb013d5f-7e0c-1a40-5a42-42bd8c3a1d51" xlink:to="loc_us-gaap_PaymentsToAcquireWaterSystems_52946eab-9557-64ee-e519-8d3eb07c5279" xlink:type="arc" />
    <loc xlink:href="sjw-20141231.xsd#sjw_PaymentsToAcquireWaterSystemsUsingContributionsInAidOfConstruction" xlink:label="loc_sjw_PaymentsToAcquireWaterSystemsUsingContributionsInAidOfConstruction_1d50eb3b-bbc3-5452-c13b-a37bb47993fe" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_fb013d5f-7e0c-1a40-5a42-42bd8c3a1d51" xlink:to="loc_sjw_PaymentsToAcquireWaterSystemsUsingContributionsInAidOfConstruction_1d50eb3b-bbc3-5452-c13b-a37bb47993fe" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsToAcquireRealEstate" xlink:label="loc_us-gaap_PaymentsToAcquireRealEstate_0ee0670e-d00c-38c9-31c0-d0ebf03bede2" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_fb013d5f-7e0c-1a40-5a42-42bd8c3a1d51" xlink:to="loc_us-gaap_PaymentsToAcquireRealEstate_0ee0670e-d00c-38c9-31c0-d0ebf03bede2" xlink:type="arc" />
    <loc xlink:href="sjw-20141231.xsd#sjw_PaymentsToAcquireBusinessesAssetsAndWaterRights" xlink:label="loc_sjw_PaymentsToAcquireBusinessesAssetsAndWaterRights_0e0f9b60-cb58-b438-cff7-a37bb4a1ca58" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_fb013d5f-7e0c-1a40-5a42-42bd8c3a1d51" xlink:to="loc_sjw_PaymentsToAcquireBusinessesAssetsAndWaterRights_0e0f9b60-cb58-b438-cff7-a37bb4a1ca58" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsForProceedsFromRemovalCosts" xlink:label="loc_us-gaap_PaymentsForProceedsFromRemovalCosts_f4bd2997-c107-b716-f87c-a0d565e18019" xlink:type="locator" />
    <calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_fb013d5f-7e0c-1a40-5a42-42bd8c3a1d51" xlink:to="loc_us-gaap_PaymentsForProceedsFromRemovalCosts_f4bd2997-c107-b716-f87c-a0d565e18019" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyHeldForSale" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyHeldForSale_a22d71af-0bdb-1326-dd89-4df01b2ea183" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_fb013d5f-7e0c-1a40-5a42-42bd8c3a1d51" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyHeldForSale_a22d71af-0bdb-1326-dd89-4df01b2ea183" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity" xlink:label="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity_147612bd-5726-c096-b075-648d912af93b" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_fb013d5f-7e0c-1a40-5a42-42bd8c3a1d51" xlink:to="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity_147612bd-5726-c096-b075-648d912af93b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_46b895b2-8ff5-9e37-d4c3-5b75649cbcba" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_45b97048-e301-0f1a-3463-4d9851d739ca" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_45b97048-e301-0f1a-3463-4d9851d739ca" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_a3cc5f0d-b161-eb8f-cc4a-2faebb7fd65f" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:to="loc_us-gaap_RepaymentsOfLinesOfCredit_a3cc5f0d-b161-eb8f-cc4a-2faebb7fd65f" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_77fb0894-8e98-8acd-7d89-0f52e26449e8" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_77fb0894-8e98-8acd-7d89-0f52e26449e8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_555855ee-67fc-e384-4c0f-c30d34ed47e5" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_555855ee-67fc-e384-4c0f-c30d34ed47e5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_f2f70b98-dc3e-2bfa-ea39-be3a734476b9" xlink:type="locator" />
    <calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_f2f70b98-dc3e-2bfa-ea39-be3a734476b9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_ea6cf810-713a-97e3-79af-899fea44b5f3" xlink:type="locator" />
    <calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_ea6cf810-713a-97e3-79af-899fea44b5f3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_bdec3780-88f3-c634-f85d-cb36bba63bd2" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_bdec3780-88f3-c634-f85d-cb36bba63bd2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_2d132af0-7f39-d203-f615-6551f8d2a6a7" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_2d132af0-7f39-d203-f615-6551f8d2a6a7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_9e5484cd-8eeb-f906-2a82-95e418e07947" xlink:type="locator" />
    <calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:to="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_9e5484cd-8eeb-f906-2a82-95e418e07947" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromContributionInAidOfConstruction" xlink:label="loc_us-gaap_ProceedsFromContributionInAidOfConstruction_30ed6444-24e0-d15a-a8f0-43314c5f4af7" xlink:type="locator" />
    <calculationArc order="10" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:to="loc_us-gaap_ProceedsFromContributionInAidOfConstruction_30ed6444-24e0-d15a-a8f0-43314c5f4af7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RepaymentsOfAdvancesForConstruction" xlink:label="loc_us-gaap_RepaymentsOfAdvancesForConstruction_14cecdd3-bf68-7485-7602-e4b13d60152c" xlink:type="locator" />
    <calculationArc order="11" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:to="loc_us-gaap_RepaymentsOfAdvancesForConstruction_14cecdd3-bf68-7485-7602-e4b13d60152c" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.sjwater.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/ConsolidatedStatementsOfChangesInShareholdersEquityParenthetical" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/ConsolidatedStatementsOfIncomeAndComprehensiveIncome" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_375e0d17-4818-4239-a370-aada0b6ca8eb" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_faecc408-4bea-6e13-83bd-71b4c2ddf64c" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_375e0d17-4818-4239-a370-aada0b6ca8eb" xlink:to="loc_us-gaap_NetIncomeLoss_faecc408-4bea-6e13-83bd-71b4c2ddf64c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_cc64ed8f-51e0-4a92-b0c8-acb3ad13358b" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_faecc408-4bea-6e13-83bd-71b4c2ddf64c" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_cc64ed8f-51e0-4a92-b0c8-acb3ad13358b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_27b74f5e-bc16-8d0b-2d8b-f8fb77af5bf6" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_cc64ed8f-51e0-4a92-b0c8-acb3ad13358b" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_27b74f5e-bc16-8d0b-2d8b-f8fb77af5bf6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_72b2c986-6e1a-bdde-cc72-888b0df562b9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_cc64ed8f-51e0-4a92-b0c8-acb3ad13358b" xlink:to="loc_us-gaap_OperatingIncomeLoss_72b2c986-6e1a-bdde-cc72-888b0df562b9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RegulatedOperatingRevenue" xlink:label="loc_us-gaap_RegulatedOperatingRevenue_3f3aab1f-cc18-8172-a397-c021d4123d6a" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_72b2c986-6e1a-bdde-cc72-888b0df562b9" xlink:to="loc_us-gaap_RegulatedOperatingRevenue_3f3aab1f-cc18-8172-a397-c021d4123d6a" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UtilitiesOperatingExpense" xlink:label="loc_us-gaap_UtilitiesOperatingExpense_1a5ab7f6-5834-5850-91dd-4926c0cab696" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_72b2c986-6e1a-bdde-cc72-888b0df562b9" xlink:to="loc_us-gaap_UtilitiesOperatingExpense_1a5ab7f6-5834-5850-91dd-4926c0cab696" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_WaterProductionCosts" xlink:label="loc_us-gaap_WaterProductionCosts_410b044f-ed2e-ea47-84f2-dde78089e7f1" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UtilitiesOperatingExpense_1a5ab7f6-5834-5850-91dd-4926c0cab696" xlink:to="loc_us-gaap_WaterProductionCosts_410b044f-ed2e-ea47-84f2-dde78089e7f1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CostOfPurchasedWater" xlink:label="loc_us-gaap_CostOfPurchasedWater_571672cc-445e-f0c3-92e8-ce6a2261a94d" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WaterProductionCosts_410b044f-ed2e-ea47-84f2-dde78089e7f1" xlink:to="loc_us-gaap_CostOfPurchasedWater_571672cc-445e-f0c3-92e8-ce6a2261a94d" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UtilitiesOperatingExpensePurchasedPower" xlink:label="loc_us-gaap_UtilitiesOperatingExpensePurchasedPower_14a98206-00f9-c487-4a71-bb1c38c1281e" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WaterProductionCosts_410b044f-ed2e-ea47-84f2-dde78089e7f1" xlink:to="loc_us-gaap_UtilitiesOperatingExpensePurchasedPower_14a98206-00f9-c487-4a71-bb1c38c1281e" xlink:type="arc" />
    <loc xlink:href="sjw-20141231.xsd#sjw_GroundwaterExtractionCharges" xlink:label="loc_sjw_GroundwaterExtractionCharges_006427e2-28cc-1bac-87a2-a37bb45197de" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WaterProductionCosts_410b044f-ed2e-ea47-84f2-dde78089e7f1" xlink:to="loc_sjw_GroundwaterExtractionCharges_006427e2-28cc-1bac-87a2-a37bb45197de" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UtilitiesOperatingExpenseOther" xlink:label="loc_us-gaap_UtilitiesOperatingExpenseOther_3217df1e-b243-017d-c784-9d11d3ad063b" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WaterProductionCosts_410b044f-ed2e-ea47-84f2-dde78089e7f1" xlink:to="loc_us-gaap_UtilitiesOperatingExpenseOther_3217df1e-b243-017d-c784-9d11d3ad063b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_7c6d12de-ee49-8fea-ba36-2f44ccb8dae4" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UtilitiesOperatingExpense_1a5ab7f6-5834-5850-91dd-4926c0cab696" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_7c6d12de-ee49-8fea-ba36-2f44ccb8dae4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UtilitiesOperatingExpenseMaintenance" xlink:label="loc_us-gaap_UtilitiesOperatingExpenseMaintenance_694ab0af-07eb-ee82-8726-3db277bf6f68" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UtilitiesOperatingExpense_1a5ab7f6-5834-5850-91dd-4926c0cab696" xlink:to="loc_us-gaap_UtilitiesOperatingExpenseMaintenance_694ab0af-07eb-ee82-8726-3db277bf6f68" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UtilitiesOperatingExpenseTaxes" xlink:label="loc_us-gaap_UtilitiesOperatingExpenseTaxes_1b4493b2-e4d3-853b-76b5-9ff1fd6b924b" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UtilitiesOperatingExpense_1a5ab7f6-5834-5850-91dd-4926c0cab696" xlink:to="loc_us-gaap_UtilitiesOperatingExpenseTaxes_1b4493b2-e4d3-853b-76b5-9ff1fd6b924b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization" xlink:label="loc_us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization_78eb0129-8ced-3355-217a-3e599dbe8d2f" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UtilitiesOperatingExpense_1a5ab7f6-5834-5850-91dd-4926c0cab696" xlink:to="loc_us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization_78eb0129-8ced-3355-217a-3e599dbe8d2f" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestExpenseDebt" xlink:label="loc_us-gaap_InterestExpenseDebt_ed80f6f7-9d34-9c9b-5b6e-0410496d5d18" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_cc64ed8f-51e0-4a92-b0c8-acb3ad13358b" xlink:to="loc_us-gaap_InterestExpenseDebt_ed80f6f7-9d34-9c9b-5b6e-0410496d5d18" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestExpenseOther" xlink:label="loc_us-gaap_InterestExpenseOther_5c41f2a7-77f2-e17a-ae1c-373a8ba0bbd4" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_cc64ed8f-51e0-4a92-b0c8-acb3ad13358b" xlink:to="loc_us-gaap_InterestExpenseOther_5c41f2a7-77f2-e17a-ae1c-373a8ba0bbd4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainLossOnSaleOfProperties" xlink:label="loc_us-gaap_GainLossOnSaleOfProperties_4bcd027f-8a81-6088-1149-e067a9d0f05f" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_cc64ed8f-51e0-4a92-b0c8-acb3ad13358b" xlink:to="loc_us-gaap_GainLossOnSaleOfProperties_4bcd027f-8a81-6088-1149-e067a9d0f05f" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InvestmentIncomeDividend" xlink:label="loc_us-gaap_InvestmentIncomeDividend_5de256e2-aece-1d85-dbd3-650ed8b7ede5" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_cc64ed8f-51e0-4a92-b0c8-acb3ad13358b" xlink:to="loc_us-gaap_InvestmentIncomeDividend_5de256e2-aece-1d85-dbd3-650ed8b7ede5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet_0070a4bc-e722-25a9-6590-00dc4709c017" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_cc64ed8f-51e0-4a92-b0c8-acb3ad13358b" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet_0070a4bc-e722-25a9-6590-00dc4709c017" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_3a83e980-c99b-5657-79fd-300643b7fa11" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_faecc408-4bea-6e13-83bd-71b4c2ddf64c" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_3a83e980-c99b-5657-79fd-300643b7fa11" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_7111fa14-4368-7a38-1bfe-983a0834d641" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_375e0d17-4818-4239-a370-aada0b6ca8eb" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_7111fa14-4368-7a38-1bfe-983a0834d641" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax_fde67200-397d-5099-350c-41ea32900a0f" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_375e0d17-4818-4239-a370-aada0b6ca8eb" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax_fde67200-397d-5099-350c-41ea32900a0f" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.sjwater.com/role/Contingencies" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/DocumentAndEntityInformationDocument" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/EquityPlans" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/EquityPlansEquityPlansDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/EquityPlansRestrictedStockAndDeferredRestrictedStockActivityDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/EquityPlansStockOptionActivityDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/EquityPlansTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/IncomeTaxes" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/IncomeTaxesComponentsOfDeferredTaxAssetsAndLiabilitiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_43aaac76-959d-69e2-234b-7c7a89d77345" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_c6255722-3158-aa8e-fb0b-718e4b04bb3b" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_43aaac76-959d-69e2-234b-7c7a89d77345" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_c6255722-3158-aa8e-fb0b-718e4b04bb3b" xlink:type="arc" />
    <loc xlink:href="sjw-20141231.xsd#sjw_DeferredTaxAssetsAdvancesAndContributions" xlink:label="loc_sjw_DeferredTaxAssetsAdvancesAndContributions_caf3b4ac-5f86-abd0-5b2c-a38274ed266c" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_c6255722-3158-aa8e-fb0b-718e4b04bb3b" xlink:to="loc_sjw_DeferredTaxAssetsAdvancesAndContributions_caf3b4ac-5f86-abd0-5b2c-a38274ed266c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness_a389aadd-88e0-5204-c954-85d1ad0adee8" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_c6255722-3158-aa8e-fb0b-718e4b04bb3b" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness_a389aadd-88e0-5204-c954-85d1ad0adee8" xlink:type="arc" />
    <loc xlink:href="sjw-20141231.xsd#sjw_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensionsAndPostretirementBenefits" xlink:label="loc_sjw_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensionsAndPostretirementBenefits_c526d426-d992-4260-7ef5-a382751fc209" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_c6255722-3158-aa8e-fb0b-718e4b04bb3b" xlink:to="loc_sjw_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensionsAndPostretirementBenefits_c526d426-d992-4260-7ef5-a382751fc209" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxAssetsStateTaxes" xlink:label="loc_us-gaap_DeferredTaxAssetsStateTaxes_230fe24d-76e1-589f-3ae9-2fde8faa38a2" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_c6255722-3158-aa8e-fb0b-718e4b04bb3b" xlink:to="loc_us-gaap_DeferredTaxAssetsStateTaxes_230fe24d-76e1-589f-3ae9-2fde8faa38a2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_3a1af413-3358-8911-7861-13a95e291501" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_c6255722-3158-aa8e-fb0b-718e4b04bb3b" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_3a1af413-3358-8911-7861-13a95e291501" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxAssetsOther" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_a52f840f-bf1f-9973-7bec-feb61e7fa225" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_c6255722-3158-aa8e-fb0b-718e4b04bb3b" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_a52f840f-bf1f-9973-7bec-feb61e7fa225" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilities" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_576d5a77-ba10-3881-36d9-b5e9bdaefd1b" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_43aaac76-959d-69e2-234b-7c7a89d77345" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_576d5a77-ba10-3881-36d9-b5e9bdaefd1b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_9606c73c-efc0-b625-54e8-152a5208656a" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_576d5a77-ba10-3881-36d9-b5e9bdaefd1b" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_9606c73c-efc0-b625-54e8-152a5208656a" xlink:type="arc" />
    <loc xlink:href="sjw-20141231.xsd#sjw_DeferredTaxLiabilitiesPensionAndPostretirementBenefits" xlink:label="loc_sjw_DeferredTaxLiabilitiesPensionAndPostretirementBenefits_5112a8be-5d70-98e4-7c66-a38274f7bcb9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_576d5a77-ba10-3881-36d9-b5e9bdaefd1b" xlink:to="loc_sjw_DeferredTaxLiabilitiesPensionAndPostretirementBenefits_5112a8be-5d70-98e4-7c66-a38274f7bcb9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxLiabilitiesInvestments" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesInvestments_fad2b038-87b4-0ffe-fa07-774b3672a0ec" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_576d5a77-ba10-3881-36d9-b5e9bdaefd1b" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesInvestments_fad2b038-87b4-0ffe-fa07-774b3672a0ec" xlink:type="arc" />
    <loc xlink:href="sjw-20141231.xsd#sjw_DeferredTaxLiabilitiesDeferredGainAndOtherPropertyRelated" xlink:label="loc_sjw_DeferredTaxLiabilitiesDeferredGainAndOtherPropertyRelated_310ea0e5-0de4-90f1-bfb1-a3827817a511" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_576d5a77-ba10-3881-36d9-b5e9bdaefd1b" xlink:to="loc_sjw_DeferredTaxLiabilitiesDeferredGainAndOtherPropertyRelated_310ea0e5-0de4-90f1-bfb1-a3827817a511" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxLiabilitiesFinancingArrangements" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesFinancingArrangements_7b8e9acc-fbe6-24dd-a057-d718cb77fc42" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_576d5a77-ba10-3881-36d9-b5e9bdaefd1b" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesFinancingArrangements_7b8e9acc-fbe6-24dd-a057-d718cb77fc42" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxLiabilitiesOther" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_03f21f85-f3db-d88a-4ae2-531e9e31ba53" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_576d5a77-ba10-3881-36d9-b5e9bdaefd1b" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_03f21f85-f3db-d88a-4ae2-531e9e31ba53" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.sjwater.com/role/IncomeTaxesComponentsOfIncomeTaxExpenseBenefitDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_3a83e980-c99b-5657-79fd-300643b7fa11" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_4dddfa2f-6282-38c6-bdbf-9114799d60c9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_3a83e980-c99b-5657-79fd-300643b7fa11" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_4dddfa2f-6282-38c6-bdbf-9114799d60c9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_564dd168-0a47-eba4-b7fa-9c9d2cfaa50b" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_3a83e980-c99b-5657-79fd-300643b7fa11" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_564dd168-0a47-eba4-b7fa-9c9d2cfaa50b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_b9c24228-fc43-670a-14c5-4352fd4c579b" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_3a83e980-c99b-5657-79fd-300643b7fa11" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_b9c24228-fc43-670a-14c5-4352fd4c579b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_b2de2cac-ff27-f90e-437f-9c4f22bc96d6" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_3a83e980-c99b-5657-79fd-300643b7fa11" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_b2de2cac-ff27-f90e-437f-9c4f22bc96d6" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.sjwater.com/role/IncomeTaxesFederalStatutoryRateReconciliationDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_3a83e980-c99b-5657-79fd-300643b7fa11" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_6ddabc60-b949-830f-ceec-3c3166ee4678" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_3a83e980-c99b-5657-79fd-300643b7fa11" xlink:to="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_6ddabc60-b949-830f-ceec-3c3166ee4678" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_0556a7cc-961f-2ff0-910e-be7cf7428833" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_3a83e980-c99b-5657-79fd-300643b7fa11" xlink:to="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_0556a7cc-961f-2ff0-910e-be7cf7428833" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxReconciliationDeductionsDividends" xlink:label="loc_us-gaap_IncomeTaxReconciliationDeductionsDividends_9c567bba-4e1a-95d4-b7f9-e64f6aa716ce" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_3a83e980-c99b-5657-79fd-300643b7fa11" xlink:to="loc_us-gaap_IncomeTaxReconciliationDeductionsDividends_9c567bba-4e1a-95d4-b7f9-e64f6aa716ce" xlink:type="arc" />
    <loc xlink:href="sjw-20141231.xsd#sjw_EffectiveIncomeTaxRateReconciliationUncertainTaxPositions" xlink:label="loc_sjw_EffectiveIncomeTaxRateReconciliationUncertainTaxPositions_d87cc9b2-e85a-dca4-4816-a38274d9c369" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_3a83e980-c99b-5657-79fd-300643b7fa11" xlink:to="loc_sjw_EffectiveIncomeTaxRateReconciliationUncertainTaxPositions_d87cc9b2-e85a-dca4-4816-a38274d9c369" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxReconciliationTaxCreditsOther" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxCreditsOther_7c0df91d-0ec8-0a35-ebf6-180e30817c50" xlink:type="locator" />
    <calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_3a83e980-c99b-5657-79fd-300643b7fa11" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxCreditsOther_7c0df91d-0ec8-0a35-ebf6-180e30817c50" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxReconciliationNondeductibleExpenseDepreciation" xlink:label="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseDepreciation_7aec953d-31dc-4775-1373-c8f495e168a7" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_3a83e980-c99b-5657-79fd-300643b7fa11" xlink:to="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseDepreciation_7aec953d-31dc-4775-1373-c8f495e168a7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxReconciliationOtherReconcilingItems" xlink:label="loc_us-gaap_IncomeTaxReconciliationOtherReconcilingItems_581eb654-72e9-64f0-d0b4-e4d96b2a5c89" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_3a83e980-c99b-5657-79fd-300643b7fa11" xlink:to="loc_us-gaap_IncomeTaxReconciliationOtherReconcilingItems_581eb654-72e9-64f0-d0b4-e4d96b2a5c89" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.sjwater.com/role/IncomeTaxesTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/IncomeTaxesTaxYearsUnderExaminationDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/IncomeTaxesUnrecognizedTaxBenefitsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/IntangibleAssets" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/IntangibleAssetsNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/IntangibleAssetsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/LinesOfCredit" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/LinesOfCreditNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/LongTermDebt" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/LongTermDebtDebtMaturityScheduleDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/LongTermDebtLongTermDebtScheduleDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_8aeb26df-09df-f3e3-fe25-1f144575031f" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_0601d697-1537-c3cb-caaf-11141ac92b39" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_8aeb26df-09df-f3e3-fe25-1f144575031f" xlink:to="loc_us-gaap_LongTermDebtCurrent_0601d697-1537-c3cb-caaf-11141ac92b39" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_89b83a57-ffbc-fc48-170d-f8b25d163e54" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_8aeb26df-09df-f3e3-fe25-1f144575031f" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_89b83a57-ffbc-fc48-170d-f8b25d163e54" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.sjwater.com/role/LongTermDebtNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/LongTermDebtTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/PartnershipInterest" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/PartnershipInterestNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/SegmentAndNonTariffedBusinessReportingDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/SegmentAndNonTariffedBusinessesReporting" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/SegmentAndNonTariffedBusinessesReportingTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/SummaryOfSignificantAccountingPolicies" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesAdvancesForConstructionAndContributionsInAidOfConstructionDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesAssetRetirementObligationDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesBalancingAndMemorandumAccountsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesEarningsPerShareDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesRealEstateInvestmentsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RealEstateInvestmentPropertyAtCost" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyAtCost_224b845e-35c8-f827-1393-ac76d3bfbdb0" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Land" xlink:label="loc_us-gaap_Land_c85e7eda-0d43-8765-45fe-06d684354a94" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyAtCost_224b845e-35c8-f827-1393-ac76d3bfbdb0" xlink:to="loc_us-gaap_Land_c85e7eda-0d43-8765-45fe-06d684354a94" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InvestmentBuildingAndBuildingImprovements" xlink:label="loc_us-gaap_InvestmentBuildingAndBuildingImprovements_a4476487-ad97-43f4-5e04-349dbf135b01" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyAtCost_224b845e-35c8-f827-1393-ac76d3bfbdb0" xlink:to="loc_us-gaap_InvestmentBuildingAndBuildingImprovements_a4476487-ad97-43f4-5e04-349dbf135b01" xlink:type="arc" />
    <loc xlink:href="sjw-20141231.xsd#sjw_RealEstateInvestmentsIntangibles" xlink:label="loc_sjw_RealEstateInvestmentsIntangibles_bd199ca5-4b30-bbc1-5aa7-a37bb465f41f" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyAtCost_224b845e-35c8-f827-1393-ac76d3bfbdb0" xlink:to="loc_sjw_RealEstateInvestmentsIntangibles_bd199ca5-4b30-bbc1-5aa7-a37bb465f41f" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesRegulatoryRateFilingsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetRegulatoryAssets" xlink:label="loc_us-gaap_NetRegulatoryAssets_33894ec3-ab19-902b-b3ac-fb776192232e" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RegulatoryAssetsCurrent" xlink:label="loc_us-gaap_RegulatoryAssetsCurrent_ddcac496-60ce-cc38-3346-282b52dcdc6b" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetRegulatoryAssets_33894ec3-ab19-902b-b3ac-fb776192232e" xlink:to="loc_us-gaap_RegulatoryAssetsCurrent_ddcac496-60ce-cc38-3346-282b52dcdc6b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RegulatoryAssetsNoncurrent" xlink:label="loc_us-gaap_RegulatoryAssetsNoncurrent_5810c1e5-ee98-6b1c-adef-bf6c1c9d8cdf" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetRegulatoryAssets_33894ec3-ab19-902b-b3ac-fb776192232e" xlink:to="loc_us-gaap_RegulatoryAssetsNoncurrent_5810c1e5-ee98-6b1c-adef-bf6c1c9d8cdf" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesRevenueBalancingAndMemorandumAccountsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesUtilityPlantDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_c593c9d5-7b97-2738-5b1c-456c50a224c6" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution_7aa9a522-90ec-6361-77fc-a71558f5bf7f" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_c593c9d5-7b97-2738-5b1c-456c50a224c6" xlink:to="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution_7aa9a522-90ec-6361-77fc-a71558f5bf7f" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment_998a14ba-7fc8-6311-2704-04b52176b4b4" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_c593c9d5-7b97-2738-5b1c-456c50a224c6" xlink:to="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment_998a14ba-7fc8-6311-2704-04b52176b4b4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentEquipment" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentEquipment_9271ebe7-3790-1a81-29b0-363ba3623081" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_c593c9d5-7b97-2738-5b1c-456c50a224c6" xlink:to="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentEquipment_9271ebe7-3790-1a81-29b0-363ba3623081" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.sjwater.com/role/UnauditedQuarterlyFinancialData" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/UnauditedQuarterlyFinancialDataTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/UnauditedQuarterlyFinancialInformationDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/ValuationAndQualifyingAccountsAndReservesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.sjwater.com/role/ValuationAndQualifyingAccountsAndReservesNotes" xlink:type="extended" />
</linkbase>
