<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva, formerly WebFilings-->
<!-- -->
<xsd:schema attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.sjwater.com/20141231" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:sjw="http://www.sjwater.com/20141231" xmlns:us-types="http://fasb.org/us-types/2014-01-31" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <xsd:import namespace="http://fasb.org/us-gaap/2014-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd" />
  <xsd:import namespace="http://fasb.org/us-roles/2014-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2014/elts/us-roles-2014-01-31.xsd" />
  <xsd:import namespace="http://fasb.org/us-types/2014-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2014/elts/us-types-2014-01-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" schemaLocation="http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/role/net" schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
  <xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/country/2013-01-31" schemaLocation="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/currency/2014-01-31" schemaLocation="http://xbrl.sec.gov/currency/2014/currency-2014-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/dei/2014-01-31" schemaLocation="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/exch/2014-01-31" schemaLocation="http://xbrl.sec.gov/exch/2014/exch-2014-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/invest/2013-01-31" schemaLocation="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/naics/2011-01-31" schemaLocation="http://xbrl.sec.gov/naics/2011/naics-2011-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/sic/2011-01-31" schemaLocation="http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/stpr/2011-01-31" schemaLocation="http://xbrl.sec.gov/stpr/2011/stpr-2011-01-31.xsd" />
  <xsd:annotation>
    <xsd:appinfo>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="sjw-20141231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="sjw-20141231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="sjw-20141231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="sjw-20141231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple" />
      <link:roleType id="BenefitPlans" roleURI="http://www.sjwater.com/role/BenefitPlans">
        <link:definition>2110100 - Disclosure - Benefit Plans</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BenefitPlansActuarialCalculationAssumptionsDetails" roleURI="http://www.sjwater.com/role/BenefitPlansActuarialCalculationAssumptionsDetails">
        <link:definition>2410403 - Disclosure - Benefit Plans Actuarial Calculation Assumptions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BenefitPlansAmortizationDetails" roleURI="http://www.sjwater.com/role/BenefitPlansAmortizationDetails">
        <link:definition>2410408 - Disclosure - Benefit Plans Amortization (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BenefitPlansAmountsRecognizedInBalanceSheetDetails" roleURI="http://www.sjwater.com/role/BenefitPlansAmountsRecognizedInBalanceSheetDetails">
        <link:definition>2410406 - Disclosure - Benefit Plans Amounts Recognized in Balance Sheet (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BenefitPlansBenefitsExpectedToBePaidInNextFiveYearsDetails" roleURI="http://www.sjwater.com/role/BenefitPlansBenefitsExpectedToBePaidInNextFiveYearsDetails">
        <link:definition>2410411 - Disclosure - Benefit Plans Benefits Expected to be Paid in Next Five Years (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BenefitPlansFairValueOfPlanAssetsDetails" roleURI="http://www.sjwater.com/role/BenefitPlansFairValueOfPlanAssetsDetails">
        <link:definition>2410410 - Disclosure - Benefit Plans Fair Value of Plan Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BenefitPlansNarrativeDetails" roleURI="http://www.sjwater.com/role/BenefitPlansNarrativeDetails">
        <link:definition>2410402 - Disclosure - Benefit Plans Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BenefitPlansNetPeriodicBenefitCostDetails" roleURI="http://www.sjwater.com/role/BenefitPlansNetPeriodicBenefitCostDetails">
        <link:definition>2410404 - Disclosure - Benefit Plans Net Periodic Benefit Cost (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BenefitPlansPlanAssetsDetails" roleURI="http://www.sjwater.com/role/BenefitPlansPlanAssetsDetails">
        <link:definition>2410409 - Disclosure - Benefit Plans Plan Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BenefitPlansReconciliationOfFundedStatusDetails" roleURI="http://www.sjwater.com/role/BenefitPlansReconciliationOfFundedStatusDetails">
        <link:definition>2410405 - Disclosure - Benefit Plans Reconciliation of Funded Status (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BenefitPlansRegulatoryAssetDetails" roleURI="http://www.sjwater.com/role/BenefitPlansRegulatoryAssetDetails">
        <link:definition>2410407 - Disclosure - Benefit Plans Regulatory Asset (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BenefitPlansTables" roleURI="http://www.sjwater.com/role/BenefitPlansTables">
        <link:definition>2310301 - Disclosure - Benefit Plans (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CaliforniaWaterServiceGroupStock" roleURI="http://www.sjwater.com/role/CaliforniaWaterServiceGroupStock">
        <link:definition>2113100 - Disclosure - California Water Service Group Stock</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CaliforniaWaterServiceGroupStockNarrativeDetails" roleURI="http://www.sjwater.com/role/CaliforniaWaterServiceGroupStockNarrativeDetails">
        <link:definition>2413401 - Disclosure - California Water Service Group Stock Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Capitalization" roleURI="http://www.sjwater.com/role/Capitalization">
        <link:definition>2103100 - Disclosure - Capitalization</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CapitalizationNarrativeDetails" roleURI="http://www.sjwater.com/role/CapitalizationNarrativeDetails">
        <link:definition>2403401 - Disclosure - Capitalization Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Commitments" roleURI="http://www.sjwater.com/role/Commitments">
        <link:definition>2108100 - Disclosure - Commitments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsNarrativeDetails" roleURI="http://www.sjwater.com/role/CommitmentsNarrativeDetails">
        <link:definition>2408401 - Disclosure - Commitments Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedBalanceSheets" roleURI="http://www.sjwater.com/role/ConsolidatedBalanceSheets">
        <link:definition>1001000 - Statement - Consolidated Balance Sheets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedBalanceSheetsParenthetical" roleURI="http://www.sjwater.com/role/ConsolidatedBalanceSheetsParenthetical">
        <link:definition>1001501 - Statement - Consolidated Balance Sheets (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementOfCashFlows" roleURI="http://www.sjwater.com/role/ConsolidatedStatementOfCashFlows">
        <link:definition>1004000 - Statement - Consolidated Statement of Cash Flows</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsOfChangesInShareholdersEquity" roleURI="http://www.sjwater.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity">
        <link:definition>1003000 - Statement - Consolidated Statements of Changes in Shareholders' Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsOfChangesInShareholdersEquityParenthetical" roleURI="http://www.sjwater.com/role/ConsolidatedStatementsOfChangesInShareholdersEquityParenthetical">
        <link:definition>1003501 - Statement - Consolidated Statements of Changes in Shareholders' Equity (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsOfComprehensiveIncomeParenthetical" roleURI="http://www.sjwater.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical">
        <link:definition>1002501 - Statement - Consolidated Statements of Comprehensive Income (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsOfIncomeAndComprehensiveIncome" roleURI="http://www.sjwater.com/role/ConsolidatedStatementsOfIncomeAndComprehensiveIncome">
        <link:definition>1002000 - Statement - Consolidated Statements of Income and Comprehensive Income</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Contingencies" roleURI="http://www.sjwater.com/role/Contingencies">
        <link:definition>2109100 - Disclosure - Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DocumentAndEntityInformationDocument" roleURI="http://www.sjwater.com/role/DocumentAndEntityInformationDocument">
        <link:definition>0001000 - Document - Document and Entity Information Document</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityPlans" roleURI="http://www.sjwater.com/role/EquityPlans">
        <link:definition>2111100 - Disclosure - Equity Plans</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityPlansEquityPlansDetails" roleURI="http://www.sjwater.com/role/EquityPlansEquityPlansDetails">
        <link:definition>2411402 - Disclosure - Equity Plans Equity Plans (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityPlansRestrictedStockAndDeferredRestrictedStockActivityDetails" roleURI="http://www.sjwater.com/role/EquityPlansRestrictedStockAndDeferredRestrictedStockActivityDetails">
        <link:definition>2411404 - Disclosure - Equity Plans Restricted Stock and Deferred Restricted Stock Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityPlansStockOptionActivityDetails" roleURI="http://www.sjwater.com/role/EquityPlansStockOptionActivityDetails">
        <link:definition>2411403 - Disclosure - Equity Plans Stock Option Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EquityPlansTables" roleURI="http://www.sjwater.com/role/EquityPlansTables">
        <link:definition>2311301 - Disclosure - Equity Plans (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxes" roleURI="http://www.sjwater.com/role/IncomeTaxes">
        <link:definition>2106100 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesComponentsOfDeferredTaxAssetsAndLiabilitiesDetails" roleURI="http://www.sjwater.com/role/IncomeTaxesComponentsOfDeferredTaxAssetsAndLiabilitiesDetails">
        <link:definition>2406404 - Disclosure - Income Taxes Components of Deferred Tax Assets and Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesComponentsOfIncomeTaxExpenseBenefitDetails" roleURI="http://www.sjwater.com/role/IncomeTaxesComponentsOfIncomeTaxExpenseBenefitDetails">
        <link:definition>2406402 - Disclosure - Income Taxes Components of Income Tax Expense (Benefit) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesFederalStatutoryRateReconciliationDetails" roleURI="http://www.sjwater.com/role/IncomeTaxesFederalStatutoryRateReconciliationDetails">
        <link:definition>2406403 - Disclosure - Income Taxes Federal Statutory Rate Reconciliation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesTables" roleURI="http://www.sjwater.com/role/IncomeTaxesTables">
        <link:definition>2306301 - Disclosure - Income Taxes (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesTaxYearsUnderExaminationDetails" roleURI="http://www.sjwater.com/role/IncomeTaxesTaxYearsUnderExaminationDetails">
        <link:definition>2406406 - Disclosure - Income Taxes Tax Years Under Examination (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesUnrecognizedTaxBenefitsDetails" roleURI="http://www.sjwater.com/role/IncomeTaxesUnrecognizedTaxBenefitsDetails">
        <link:definition>2406405 - Disclosure - Income Taxes Unrecognized Tax Benefits (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IntangibleAssets" roleURI="http://www.sjwater.com/role/IntangibleAssets">
        <link:definition>2107100 - Disclosure - Intangible Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IntangibleAssetsNarrativeDetails" roleURI="http://www.sjwater.com/role/IntangibleAssetsNarrativeDetails">
        <link:definition>2407402 - Disclosure - Intangible Assets Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IntangibleAssetsTables" roleURI="http://www.sjwater.com/role/IntangibleAssetsTables">
        <link:definition>2307301 - Disclosure - Intangible Assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LinesOfCredit" roleURI="http://www.sjwater.com/role/LinesOfCredit">
        <link:definition>2104100 - Disclosure - Lines of Credit</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LinesOfCreditNarrativeDetails" roleURI="http://www.sjwater.com/role/LinesOfCreditNarrativeDetails">
        <link:definition>2404401 - Disclosure - Lines of Credit Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebt" roleURI="http://www.sjwater.com/role/LongTermDebt">
        <link:definition>2105100 - Disclosure - Long-Term Debt</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtDebtMaturityScheduleDetails" roleURI="http://www.sjwater.com/role/LongTermDebtDebtMaturityScheduleDetails">
        <link:definition>2405404 - Disclosure - Long-Term Debt Debt Maturity Schedule (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtLongTermDebtScheduleDetails" roleURI="http://www.sjwater.com/role/LongTermDebtLongTermDebtScheduleDetails">
        <link:definition>2405402 - Disclosure - Long-Term Debt Long-term Debt Schedule (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtNarrativeDetails" roleURI="http://www.sjwater.com/role/LongTermDebtNarrativeDetails">
        <link:definition>2405403 - Disclosure - Long-Term Debt Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtTables" roleURI="http://www.sjwater.com/role/LongTermDebtTables">
        <link:definition>2305301 - Disclosure - Long-Term Debt (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PartnershipInterest" roleURI="http://www.sjwater.com/role/PartnershipInterest">
        <link:definition>2109100 - Disclosure - Partnership Interest</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PartnershipInterestNarrativeDetails" roleURI="http://www.sjwater.com/role/PartnershipInterestNarrativeDetails">
        <link:definition>2409401 - Disclosure - Partnership Interest Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentAndNonTariffedBusinessReportingDetails" roleURI="http://www.sjwater.com/role/SegmentAndNonTariffedBusinessReportingDetails">
        <link:definition>2412402 - Disclosure - Segment and Non-Tariffed Business Reporting (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentAndNonTariffedBusinessesReporting" roleURI="http://www.sjwater.com/role/SegmentAndNonTariffedBusinessesReporting">
        <link:definition>2112100 - Disclosure - Segment and Non-Tariffed Businesses Reporting</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentAndNonTariffedBusinessesReportingTables" roleURI="http://www.sjwater.com/role/SegmentAndNonTariffedBusinessesReportingTables">
        <link:definition>2312301 - Disclosure - Segment and Non-Tariffed Businesses Reporting (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPolicies" roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPolicies">
        <link:definition>2102100 - Disclosure - Summary of Significant Accounting Policies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesAdvancesForConstructionAndContributionsInAidOfConstructionDetails" roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesAdvancesForConstructionAndContributionsInAidOfConstructionDetails">
        <link:definition>2402409 - Disclosure - Summary of Significant Accounting Policies (Advances for Construction and Contributions in Aid of Construction) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesAssetRetirementObligationDetails" roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesAssetRetirementObligationDetails">
        <link:definition>2402410 - Disclosure - Summary of Significant Accounting Policies (Asset Retirement Obligation) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesBalancingAndMemorandumAccountsDetails" roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesBalancingAndMemorandumAccountsDetails">
        <link:definition>2402407 - Disclosure - Summary of Significant Accounting Policies Balancing and Memorandum Accounts (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesEarningsPerShareDetails" roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesEarningsPerShareDetails">
        <link:definition>2402411 - Disclosure - Summary of Significant Accounting Policies (Earnings per Share) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesNarrativeDetails" roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesNarrativeDetails">
        <link:definition>2402403 - Disclosure - Summary of Significant Accounting Policies Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesPolicies" roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesPolicies">
        <link:definition>2202201 - Disclosure - Summary of Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesRealEstateInvestmentsDetails" roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesRealEstateInvestmentsDetails">
        <link:definition>2402405 - Disclosure - Summary of Significant Accounting Policies (Real Estate Investments) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesRegulatoryRateFilingsDetails" roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesRegulatoryRateFilingsDetails">
        <link:definition>2402406 - Disclosure - Summary of Significant Accounting Policies (Regulatory Rate Filings) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesRevenueBalancingAndMemorandumAccountsDetails" roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesRevenueBalancingAndMemorandumAccountsDetails">
        <link:definition>2402408 - Disclosure - Summary of Significant Accounting Policies (Revenue, Balancing and Memorandum Accounts) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesTables" roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesTables">
        <link:definition>2302302 - Disclosure - Summary of Significant Accounting Policies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesUtilityPlantDetails" roleURI="http://www.sjwater.com/role/SummaryOfSignificantAccountingPoliciesUtilityPlantDetails">
        <link:definition>2402404 - Disclosure - Summary of Significant Accounting Policies (Utility Plant) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="UnauditedQuarterlyFinancialData" roleURI="http://www.sjwater.com/role/UnauditedQuarterlyFinancialData">
        <link:definition>2119100 - Disclosure - Unaudited Quarterly Financial Data</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="UnauditedQuarterlyFinancialDataTables" roleURI="http://www.sjwater.com/role/UnauditedQuarterlyFinancialDataTables">
        <link:definition>2319301 - Disclosure - Unaudited Quarterly Financial Data (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="UnauditedQuarterlyFinancialInformationDetails" roleURI="http://www.sjwater.com/role/UnauditedQuarterlyFinancialInformationDetails">
        <link:definition>2419402 - Disclosure - Unaudited Quarterly Financial Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ValuationAndQualifyingAccountsAndReservesDetails" roleURI="http://www.sjwater.com/role/ValuationAndQualifyingAccountsAndReservesDetails">
        <link:definition>2420401 - Schedule - Valuation and Qualifying Accounts and Reserves (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ValuationAndQualifyingAccountsAndReservesNotes" roleURI="http://www.sjwater.com/role/ValuationAndQualifyingAccountsAndReservesNotes">
        <link:definition>2120100 - Schedule - Valuation and Qualifying Accounts and Reserves (Notes)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:element abstract="true" id="sjw_A2012GeneralRateCaseTrueupMember" name="A2012GeneralRateCaseTrueupMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_A2014FederalandStateRepairsandMaintenanceDeductionMember" name="A2014FederalandStateRepairsandMaintenanceDeductionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_AccruedGroundwaterExtractionChargesAndPurchasedWater" name="AccruedGroundwaterExtractionChargesAndPurchasedWater" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="sjw_ActivelyManagedInvestmentsMember" name="ActivelyManagedInvestmentsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_AdvancesForConstructionAndContributionsInAidOfConstructionPolicyPolicyTextBlock" name="AdvancesForConstructionAndContributionsInAidOfConstructionPolicyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_AdvancesForConstructionDeferredTaxesAmortizationPeriod" name="AdvancesForConstructionDeferredTaxesAmortizationPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_AdvancesForConstructionEstimatedRefundsAfterYearFive" name="AdvancesForConstructionEstimatedRefundsAfterYearFive" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_AdvancesForConstructionEstimatedRefundsNextTwelveMonths" name="AdvancesForConstructionEstimatedRefundsNextTwelveMonths" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_AdvancesForConstructionEstimatedRefundsYearFive" name="AdvancesForConstructionEstimatedRefundsYearFive" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_AdvancesForConstructionEstimatedRefundsYearFour" name="AdvancesForConstructionEstimatedRefundsYearFour" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_AdvancesForConstructionEstimatedRefundsYearThree" name="AdvancesForConstructionEstimatedRefundsYearThree" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_AdvancesForConstructionEstimatedRefundsYearTwo" name="AdvancesForConstructionEstimatedRefundsYearTwo" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_AdvancesForConstructionRefundPeriod" name="AdvancesForConstructionRefundPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_AllCapEquityFundMember" name="AllCapEquityFundMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_AnnualMember" name="AnnualMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_AssetRetirementObligationDeferredTax" name="AssetRetirementObligationDeferredTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_AssetRetirementObligationDiscountRate" name="AssetRetirementObligationDiscountRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="sjw_AssetRetirementObligationPresentValue" name="AssetRetirementObligationPresentValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="sjw_AssetsLeasedOrAvailableForLeaseAbstract" name="AssetsLeasedOrAvailableForLeaseAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_AuthorizedRegulatorySurchargeGross" name="AuthorizedRegulatorySurchargeGross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="sjw_AuthorizedRegulatorySurchargeNet" name="AuthorizedRegulatorySurchargeNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="sjw_AuthorizedRegulatorySurchargePerCCF" name="AuthorizedRegulatorySurchargePerCCF" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="sjw_AuthorizedRegulatorySurchargeRecoveryPeriod" name="AuthorizedRegulatorySurchargeRecoveryPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_AvailableForSaleMarketableSecuritySharesHeld" name="AvailableForSaleMarketableSecuritySharesHeld" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="sjw_AvailableForSaleMarketableSecuritySharesSold" name="AvailableForSaleMarketableSecuritySharesSold" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_AvailableForSalesSecuritiesTaxOnRealizedGain" name="AvailableForSalesSecuritiesTaxOnRealizedGain" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="sjw_BalancingAccountNet" name="BalancingAccountNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="sjw_BalancingAccountRecoveryRequest" name="BalancingAccountRecoveryRequest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="sjw_BalancingAccountRefundsCollections" name="BalancingAccountRefundsCollections" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="sjw_BalancingAccountRevenueIncreaseReduction" name="BalancingAccountRevenueIncreaseReduction" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="sjw_BalancingAndMemorandumAccountNet" name="BalancingAndMemorandumAccountNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="sjw_BalancingAndMemorandumAccountsPolicyPolicyTextBlock" name="BalancingAndMemorandumAccountsPolicyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_BalancingandMemorandumAccountPreviouslyRecorded" name="BalancingandMemorandumAccountPreviouslyRecorded" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="sjw_BalancingandMemorandumAccountRefundsCollections" name="BalancingandMemorandumAccountRefundsCollections" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="sjw_BalancingandMemorandumAccountRevenueIncreaseReductionNet" name="BalancingandMemorandumAccountRevenueIncreaseReductionNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_BalancingandMemorandumAccountsAbstract" name="BalancingandMemorandumAccountsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_BalancingandMemorandumAccountsDisclosuresPolicyTextBlock" name="BalancingandMemorandumAccountsDisclosuresPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_BalancingandMemorandumAccountsMember" name="BalancingandMemorandumAccountsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_CaliforniaNonUtilityPropertyMember" name="CaliforniaNonUtilityPropertyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_CaliforniaPollutionControlFinancingAuthorityRevenueBondsMember" name="CaliforniaPollutionControlFinancingAuthorityRevenueBondsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_CollectiveBargainingAgreementTermOfContract" name="CollectiveBargainingAgreementTermOfContract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_CollectiveBargainingAgreementWageIncreasePercentYearOne" name="CollectiveBargainingAgreementWageIncreasePercentYearOne" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="sjw_CollectiveBargainingAgreementWageIncreasePercentYearThree" name="CollectiveBargainingAgreementWageIncreasePercentYearThree" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="sjw_CollectiveBargainingAgreementWageIncreasePercentYearTwo" name="CollectiveBargainingAgreementWageIncreasePercentYearTwo" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="sjw_CommitmentsDisclosureAbstract" name="CommitmentsDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_ConcessionFeesMember" name="ConcessionFeesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_ConnecticutWarehouseMember" name="ConnecticutWarehouseMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_CumulativeDividendEquivalentRightsConvertedToDeferredRestrictedStockAwards" name="CumulativeDividendEquivalentRightsConvertedToDeferredRestrictedStockAwards" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_CumulativeNetIncomePercentageIncludedInNetWorthForCompliance" name="CumulativeNetIncomePercentageIncludedInNetWorthForCompliance" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_CustomerRefundforOverRateCollections" name="CustomerRefundforOverRateCollections" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="sjw_DebtCovenantInterestChargeMaximumtoNetIncomeAvailabletoStockholders" name="DebtCovenantInterestChargeMaximumtoNetIncomeAvailabletoStockholders" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="sjw_DeferralPlanAbstract" name="DeferralPlanAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_DeferredCompensationArrangementWithIndividualDeferralAmount" name="DeferredCompensationArrangementWithIndividualDeferralAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_DeferredRestrictedStockAwardsMember" name="DeferredRestrictedStockAwardsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_DeferredTaxAssetsAdvancesAndContributions" name="DeferredTaxAssetsAdvancesAndContributions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="sjw_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensionsAndPostretirementBenefits" name="DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensionsAndPostretirementBenefits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="sjw_DeferredTaxLiabilitiesDeferredGainAndOtherPropertyRelated" name="DeferredTaxLiabilitiesDeferredGainAndOtherPropertyRelated" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_DeferredTaxLiabilitiesPensionAndPostretirementBenefits" name="DeferredTaxLiabilitiesPensionAndPostretirementBenefits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_DefinedBenefitChangeInPlanAssetsBenefitsPaid" name="DefinedBenefitChangeInPlanAssetsBenefitsPaid" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="sjw_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationNumberOfCompensationYears" name="DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationNumberOfCompensationYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="instant" />
  <xsd:element id="sjw_DefinedBenefitPlanBenefitObligationPeriodIncreaseDecreaseDuetoMortalityAssumptions" name="DefinedBenefitPlanBenefitObligationPeriodIncreaseDecreaseDuetoMortalityAssumptions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="sjw_DefinedBenefitPlanPeriodForPerformanceStandards" name="DefinedBenefitPlanPeriodForPerformanceStandards" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_DefinedBenefitPlanReturnonInvestmentsPast10YearsBenchmarkPercentnt" name="DefinedBenefitPlanReturnonInvestmentsPast10YearsBenchmarkPercentnt" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_DefinedBenefitPlanReturnonInvestmentsPast10YearsPercent" name="DefinedBenefitPlanReturnonInvestmentsPast10YearsPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_DefinedBenefitPlanReturnonInvestmentsPast5YearsBenchmarkPercent" name="DefinedBenefitPlanReturnonInvestmentsPast5YearsBenchmarkPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_DefinedBenefitPlanUnamortizedActuarialGainsLossesExpectedWorkingLifetimeOfParticipants" name="DefinedBenefitPlanUnamortizedActuarialGainsLossesExpectedWorkingLifetimeOfParticipants" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_DefinedBenfitPlanReturnonInvestmentsPast5YearsPercent" name="DefinedBenfitPlanReturnonInvestmentsPast5YearsPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_DependentCareSpendingAccountAnnualMaximumEmployeeContribution" name="DependentCareSpendingAccountAnnualMaximumEmployeeContribution" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_DividendEquivalentRightsAbstract" name="DividendEquivalentRightsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_DividendEquivalentRightsMember" name="DividendEquivalentRightsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_DividendReinvestmentAndStockPurchasePlanMember" name="DividendReinvestmentAndStockPurchasePlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_EffectiveIncomeTaxRateReconciliationUncertainTaxPositions" name="EffectiveIncomeTaxRateReconciliationUncertainTaxPositions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_EmployeeStockPurchasePlanAbstract" name="EmployeeStockPurchasePlanAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_EmployeeStockPurchasePlanNumberOfPurchasesSinceInception" name="EmployeeStockPurchasePlanNumberOfPurchasesSinceInception" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_EntityAbstract" name="EntityAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_EstimatedRefundsOfAdvancesForConstructionAbstract" name="EstimatedRefundsOfAdvancesForConstructionAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_EstimatedUsefulLivesOfPlantAndEquipmentAbstract" name="EstimatedUsefulLivesOfPlantAndEquipmentAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_ExecutiveAdministrativeOrSupervisoryPersonnelMember" name="ExecutiveAdministrativeOrSupervisoryPersonnelMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_ExecutivesAndNonEmployeeDirectorsMember" name="ExecutivesAndNonEmployeeDirectorsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_FeesIncurredOnSaleOfAvailableForSaleSecurities" name="FeesIncurredOnSaleOfAvailableForSaleSecurities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_FlexibleSpendingPlanAbstract" name="FlexibleSpendingPlanAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_FloridaWarehouseMember" name="FloridaWarehouseMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_GroundwaterExtractionCharges" name="GroundwaterExtractionCharges" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_GuadalupeBlancoRiverAuthorityMember" name="GuadalupeBlancoRiverAuthorityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_HealthCareSpendingAccountAnnualMaximumEmployeeContribution" name="HealthCareSpendingAccountAnnualMaximumEmployeeContribution" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_IncentivePlanMember" name="IncentivePlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_IncomeTaxesLineItems" name="IncomeTaxesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_IncomeTaxesTable" name="IncomeTaxesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_IncreaseDecreaseInAccruedGroundwaterExtractionChargesAndPurchasedWater" name="IncreaseDecreaseInAccruedGroundwaterExtractionChargesAndPurchasedWater" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="sjw_IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilities" name="IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_IncreaseDecreaseInTaxExpenseAbstract" name="IncreaseDecreaseInTaxExpenseAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_IncreaseDecreaseToRegulatoryAssetRelatedToBalancingAndMemorandumAccounts" name="IncreaseDecreaseToRegulatoryAssetRelatedToBalancingAndMemorandumAccounts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_LegalProceedingsAbstract" name="LegalProceedingsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_LenderMember" name="LenderMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_LiabilityForDividendEquivalentRightsPeriodIncreaseDecrease" name="LiabilityForDividendEquivalentRightsPeriodIncreaseDecrease" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="sjw_LineOfCreditFacilityNumberOfStandbyLettersOfCredit" name="LineOfCreditFacilityNumberOfStandbyLettersOfCredit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="instant" />
  <xsd:element id="sjw_LineOfCreditFacilityRenewalTerm" name="LineOfCreditFacilityRenewalTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_LineOfCreditFacilityStandbyLetterOfCreditAutomaticRenewalTerm" name="LineOfCreditFacilityStandbyLetterOfCreditAutomaticRenewalTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_LoanAmortizationPeriod" name="LoanAmortizationPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_LongTermDebtMaturitiesRepaymentsOfInterestAfterYearFive" name="LongTermDebtMaturitiesRepaymentsOfInterestAfterYearFive" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_LongTermDebtMaturitiesRepaymentsOfInterestInNextTwelveMonths" name="LongTermDebtMaturitiesRepaymentsOfInterestInNextTwelveMonths" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_LongTermDebtMaturitiesRepaymentsOfInterestInYearFive" name="LongTermDebtMaturitiesRepaymentsOfInterestInYearFive" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_LongTermDebtMaturitiesRepaymentsOfInterestInYearFour" name="LongTermDebtMaturitiesRepaymentsOfInterestInYearFour" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_LongTermDebtMaturitiesRepaymentsOfInterestInYearThree" name="LongTermDebtMaturitiesRepaymentsOfInterestInYearThree" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_LongTermDebtMaturitiesRepaymentsOfInterestInYearTwo" name="LongTermDebtMaturitiesRepaymentsOfInterestInYearTwo" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestAfterYearFive" name="LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestAfterYearFive" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInNextTwelveMonths" name="LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInNextTwelveMonths" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearFive" name="LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearFive" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearFour" name="LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearFour" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearThree" name="LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearThree" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearTwo" name="LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearTwo" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_LongTermDebtNumberOfMonthlyPayments" name="LongTermDebtNumberOfMonthlyPayments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_LongTermPurchaseCommitmentFixedPrice" name="LongTermPurchaseCommitmentFixedPrice" nillable="true" substitutionGroup="xbrli:item" type="us-types:perUnitItemType" xbrli:periodType="instant" />
  <xsd:element id="sjw_LongTermPurchaseCommitmentMinimumAcreFeetRequired" name="LongTermPurchaseCommitmentMinimumAcreFeetRequired" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="instant" />
  <xsd:element id="sjw_LongTermPurchaseCommitmentMinimumPercentageRequiredNextTwelveMonths" name="LongTermPurchaseCommitmentMinimumPercentageRequiredNextTwelveMonths" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="sjw_LongTermPurchaseCommitmentMinimumVolumeRequiredNextTwelveMonths" name="LongTermPurchaseCommitmentMinimumVolumeRequiredNextTwelveMonths" nillable="true" substitutionGroup="xbrli:item" type="num:volumeItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="sjw_MajorSupplierAxis" name="MajorSupplierAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_MajorSupplierDomain" name="MajorSupplierDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_MarketPriceStock" name="MarketPriceStock" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_MasterContractNegotiatedTermForDeliverySchedules" name="MasterContractNegotiatedTermForDeliverySchedules" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_MemorandumAccountNet" name="MemorandumAccountNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_MemorandumAccountRecoveryRequest" name="MemorandumAccountRecoveryRequest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_MemorandumAccountRefundsCollections" name="MemorandumAccountRefundsCollections" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="sjw_MemorandumAccountRevenueIncreaseReduction" name="MemorandumAccountRevenueIncreaseReduction" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_MortgageFourMember" name="MortgageFourMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_MortgageThreeMember" name="MortgageThreeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_MortgageTwoMember" name="MortgageTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_NonUSLargeCapEquityMember" name="NonUSLargeCapEquityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_NoticePeriodRequiredForContractAdjustment" name="NoticePeriodRequiredForContractAdjustment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_NumberOfEqualSuccessiveInstallmentsForVestingOfStockAwards" name="NumberOfEqualSuccessiveInstallmentsForVestingOfStockAwards" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_NumberOfSubsidiaries" name="NumberOfSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_NumberofWaterAgreements" name="NumberofWaterAgreements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="sjw_OperatingLossCarryforwardasReportedonTaxReturn" name="OperatingLossCarryforwardasReportedonTaxReturn" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="sjw_OtherMiscellaneousIntangiblesMember" name="OtherMiscellaneousIntangiblesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_OtherRegulatoryAssetsMember" name="OtherRegulatoryAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_ParentCompanyAndSubsidiaryMember" name="ParentCompanyAndSubsidiaryMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_PaymentsToAcquireBusinessesAssetsAndWaterRights" name="PaymentsToAcquireBusinessesAssetsAndWaterRights" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="sjw_PaymentsToAcquireWaterSystemsUsingContributionsInAidOfConstruction" name="PaymentsToAcquireWaterSystemsUsingContributionsInAidOfConstruction" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_PensionBalancingAccountMember" name="PensionBalancingAccountMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_PensionPlansAbstract" name="PensionPlansAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_PostretirementPensionsAndOtherMedicalBenefitsMember" name="PostretirementPensionsAndOtherMedicalBenefitsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_PrivateCorporationAssetsMember" name="PrivateCorporationAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_PublicUtilitiesNumberOfPeopleServed" name="PublicUtilitiesNumberOfPeopleServed" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="sjw_PublicUtilitiesRealEstatePolicyPolicyTextBlock" name="PublicUtilitiesRealEstatePolicyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_PublicUtilitiesServiceArea" name="PublicUtilitiesServiceArea" nillable="true" substitutionGroup="xbrli:item" type="num:areaItemType" xbrli:periodType="instant" />
  <xsd:element id="sjw_PurchasedPower" name="PurchasedPower" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_PurchasedWaterGallons" name="PurchasedWaterGallons" nillable="true" substitutionGroup="xbrli:item" type="num:volumeItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_RatioOfIncomeToInterestCharges" name="RatioOfIncomeToInterestCharges" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_RatioOfIndebtednessToCapital" name="RatioOfIndebtednessToCapital" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant" />
  <xsd:element id="sjw_RealEstateInvestmentsIntangibles" name="RealEstateInvestmentsIntangibles" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="sjw_RealEstateSellingExpenses" name="RealEstateSellingExpenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="sjw_ReductioninDeliverySchedulePercent" name="ReductioninDeliverySchedulePercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_RegulatedOperatingRevenueWaterSurcharge" name="RegulatedOperatingRevenueWaterSurcharge" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="sjw_RegulatoryAssetsAmountToBeRecoveredInFutureRates" name="RegulatoryAssetsAmountToBeRecoveredInFutureRates" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="sjw_RegulatoryAssetsAndLiabilitiesPolicyPolicyTextBlock" name="RegulatoryAssetsAndLiabilitiesPolicyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_RegulatoryAssetsFundedStatusOfObligation" name="RegulatoryAssetsFundedStatusOfObligation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="sjw_RegulatoryAssetsTaxGrossUp" name="RegulatoryAssetsTaxGrossUp" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="sjw_RegulatoryBalancingandMemorandumAccountsNetUnderCollected" name="RegulatoryBalancingandMemorandumAccountsNetUnderCollected" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="sjw_RegulatoryBalancingandMemorandumAccountsReviewAuthorizedRevenueThresholdPercentage" name="RegulatoryBalancingandMemorandumAccountsReviewAuthorizedRevenueThresholdPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="sjw_RegulatoryLiabilitiesAccruedBenefitCost" name="RegulatoryLiabilitiesAccruedBenefitCost" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_RegulatoryRateFilingsAuthorizedRateIncreaseAuthorizedRevenueYearOne" name="RegulatoryRateFilingsAuthorizedRateIncreaseAuthorizedRevenueYearOne" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="sjw_RegulatoryRateFilingsAuthorizedRateIncreaseAuthorizedRevenueYearTwo" name="RegulatoryRateFilingsAuthorizedRateIncreaseAuthorizedRevenueYearTwo" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_RegulatoryRateFilingsAuthorizedRateIncreasePercentofAuthorizedRevenueYearOne" name="RegulatoryRateFilingsAuthorizedRateIncreasePercentofAuthorizedRevenueYearOne" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="sjw_RegulatoryRateFilingsAuthorizedRateIncreasePercentofAuthorizedRevenueYearTwo" name="RegulatoryRateFilingsAuthorizedRateIncreasePercentofAuthorizedRevenueYearTwo" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="sjw_RegulatoryRateFilingsIncreaseRequestedPercentOfAuthorizedRevenue" name="RegulatoryRateFilingsIncreaseRequestedPercentOfAuthorizedRevenue" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="sjw_RegulatoryRateFilingsProposedRateIncreasePercentofAuthorizedRevenueYearTwo" name="RegulatoryRateFilingsProposedRateIncreasePercentofAuthorizedRevenueYearTwo" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="sjw_RegulatoryRateFilingsRequestedRateIncreaseAuthorizedRevenue" name="RegulatoryRateFilingsRequestedRateIncreaseAuthorizedRevenue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_RegulatoryRateFilingsRequestedRateIncreasePercentOfAuthorizedRevenueYearThree" name="RegulatoryRateFilingsRequestedRateIncreasePercentOfAuthorizedRevenueYearThree" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="sjw_RegulatoryRateFilingsRequestedRateIncreaseYearOne" name="RegulatoryRateFilingsRequestedRateIncreaseYearOne" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="sjw_RegulatoryRateFilingsRequestedRateIncreaseYearThree" name="RegulatoryRateFilingsRequestedRateIncreaseYearThree" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_RegulatoryRateFilingsRequestedRateIncreaseYearTwo" name="RegulatoryRateFilingsRequestedRateIncreaseYearTwo" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_RegulatoryRateFilingsRequestedRateIncreaseasPercentageofTotalRevenueatTimeofRequestYearOne" name="RegulatoryRateFilingsRequestedRateIncreaseasPercentageofTotalRevenueatTimeofRequestYearOne" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="sjw_ReportableSegmentOneMember" name="ReportableSegmentOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_ReportableSegmentTwoMember" name="ReportableSegmentTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_RestrictedStockAndDeferredRestrictedStockMember" name="RestrictedStockAndDeferredRestrictedStockMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_RestrictedStockAndStockOptionsMember" name="RestrictedStockAndStockOptionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_SantaClaraValleyWaterDistrictMember" name="SantaClaraValleyWaterDistrictMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_ScheduleOfEstimatedAmortizationTableTextBlock" name="ScheduleOfEstimatedAmortizationTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_ScheduleOfEstimatedRefundsOfAdvancesForConstructionAndContributionsInAidOfConstructionTableTextBlock" name="ScheduleOfEstimatedRefundsOfAdvancesForConstructionAndContributionsInAidOfConstructionTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_ScheduleOfRealEstateInvestmentsTableTextBlock" name="ScheduleOfRealEstateInvestmentsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_ScheduleOfRegulatoryAssetRecordedOnProjectedBenefitObligationOfPostretirementBenefitPlansTableTextBlock" name="ScheduleOfRegulatoryAssetRecordedOnProjectedBenefitObligationOfPostretirementBenefitPlansTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_ScheduleOfRegulatoryAssetsAndLiabilitiesTableTextBlock" name="ScheduleOfRegulatoryAssetsAndLiabilitiesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_ScheduleofBalancingandMemorandumAccountsLineItems" name="ScheduleofBalancingandMemorandumAccountsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_ScheduleofBalancingandMemorandumAccountsTable" name="ScheduleofBalancingandMemorandumAccountsTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_ScheduleofBalancingandMemorandumAccountsTableTextBlock" name="ScheduleofBalancingandMemorandumAccountsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_SeriesCMember" name="SeriesCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_SeriesDMember" name="SeriesDMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_SeriesEMember" name="SeriesEMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_SeriesFMember" name="SeriesFMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_SeriesGMember" name="SeriesGMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_SeriesHMember" name="SeriesHMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_SeriesIMember" name="SeriesIMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_SeriesJMember" name="SeriesJMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_SeriesKMember" name="SeriesKMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_SeriesLMember" name="SeriesLMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEmployeeContributionsToEmployeeStockPurchasePlan" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEmployeeContributionsToEmployeeStockPurchasePlan" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="sjw_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercisedWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercisedWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeituresAndExpirationsWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeituresAndExpirationsWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantedWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantedWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="sjw_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsVestedNumber" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsVestedNumber" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="sjw_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsVestedWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsVestedWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="sjw_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageGrantDateFairValueRollForwardRollForward" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageGrantDateFairValueRollForwardRollForward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuableUponExercise" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuableUponExercise" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedPursuantToPlan" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedPursuantToPlan" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="sjw_SharesDeregisteredAvailableforIssuance" name="SharesDeregisteredAvailableforIssuance" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="sjw_SpecialDeferralElectionPlanAndDeferralElectionProgramAbstract" name="SpecialDeferralElectionPlanAndDeferralElectionProgramAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_StockIssuedDuringPeriodSharesDividendReinvestmentAndStockPurchasePlan" name="StockIssuedDuringPeriodSharesDividendReinvestmentAndStockPurchasePlan" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_SubsidiaryOneMember" name="SubsidiaryOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_TexasRetailBuildingsMember" name="TexasRetailBuildingsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_USLargeCapEquityMember" name="USLargeCapEquityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_USMidCapEquityMember" name="USMidCapEquityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_USSmallCapEquityMember" name="USSmallCapEquityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_UnamortizedDebtIssuanceExpenseAndBrokerFees" name="UnamortizedDebtIssuanceExpenseAndBrokerFees" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="sjw_UnionMemberMember" name="UnionMemberMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_UnrecognizedTaxBenefitsGross" name="UnrecognizedTaxBenefitsGross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_UtilityPropertyInstalledByDeveloper" name="UtilityPropertyInstalledByDeveloper" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_WaterProductionCostsAbstract" name="WaterProductionCostsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="sjw_WaterPropertyRightsCommitments" name="WaterPropertyRightsCommitments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="sjw_WaterReductionTargetGoalPercentage" name="WaterReductionTargetGoalPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_WaterSupplyBalancingAccountsMember" name="WaterSupplyBalancingAccountsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="sjw_WeightedAverageNumberOfSharesOutstandingBasicAndDilutedAbstract" name="WeightedAverageNumberOfSharesOutstandingBasicAndDilutedAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
</xsd:schema>
