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        <EOYAmt>15987523</EOYAmt>
      </PdInCapSrplsLandBldgEqpFundGrp>
      <RtnEarnEndowmentIncmOthFndsGrp>
        <BOYAmt>-357462</BOYAmt>
        <EOYAmt>-449336</EOYAmt>
      </RtnEarnEndowmentIncmOthFndsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>19634685</BOYAmt>
        <EOYAmt>20564637</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>21965872</BOYAmt>
        <EOYAmt>22808180</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
      <ReconcilationRevenueExpnssAmt>-101939</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>1031891</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <LandGrp>
        <OtherCostOrOtherBasisAmt>248093</OtherCostOrOtherBasisAmt>
        <BookValueAmt>248093</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>1114579</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>971710</DepreciationAmt>
        <BookValueAmt>142869</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>38407351</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>18371766</DepreciationAmt>
        <BookValueAmt>20035585</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>20426547</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>MEMBER DEPOSITS</Desc>
        <Amt>9050</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>DERIVATIVE INSTRUMENT</Desc>
        <Amt>-10582</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>-1532</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>3902868</TotalRevEtcAuditedFinclStmtAmt>
      <RevenueNotReportedAmt>0</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>3902868</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>3902868</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>4004807</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>4004807</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>4004807</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>ACCOUNTING PRINCIPLES GENERALLY ACCEPTED IN THE UNITED STATES OF AMERICA REQUIRE MANAGEMENT TO EVALUATE TAX POSITIONS TAKEN BY THE ASSOCIATION AND RECOGNIZE A TAX LIABILITY (OR ASSET) IF THE ASSOCIATION HAS TAKEN AN UNCERTAIN POSITION THAT MORE LIKELY THAN NOT WOULD NOT BE SUSTAINED UPON EXAMINATION BY TAXING AUTHORITIES. MANAGEMENT HAS ANALYZED THE TAX POSITIONS TAKEN BY THE ASSOCIATION, AND HAS CONCLUDED THAT AS OF DECEMBER 31, 2018 AND 2017, THERE ARE NO UNCERTAIN POSITIONS TAKEN OR EXPECTED TO BE TAKEN THAT WOULD REQUIRE RECOGNITION OF A LIABILITY (OR ASSET) OR DISCLOSURE IN THE FINANCIAL STATEMENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>A MEMBERSHIP CERTIFICATE IS SOLD WITH EVERY METER. EVERY CUSTOMER HAS A WATER METER IN THEIR YARD AND IS THEREFORE A MEMBER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>BOARD OF DIRECTORS SERVE A FIVE YEAR TERM WITH ONE BOARD MEMBER'S TERM EXPIRING EVERY YEAR. BOARD MEMBERS CAN BE RE-ELECTED. AN ANNUAL MEETING IS HELD IN WHICH THE MEMBERS ELECT A NEW DIRECTOR. MEMBERS ARE INFORMED OF THE MEETING IN A NEWSLETTER THAT IS MAILED TO THEM. THE MEMBER CAN ATTEND THE ANNUAL MEETING AND VOTE IN PERSON OR VOTE BY PROXY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 8B</FormAndLineReferenceDesc>
        <ExplanationTxt>THERE ARE NO OTHER COMMITTEES WITH AUTHORITY TO ACT ON BEHALF OF THE GOVERNING BODY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>A DRAFT OF THE FORM 990 IS PRESENTED TO THE BOARD FOR APPROVAL. THE 990 IS REVIEWED AND APPROVED BY THE BOARD BEFORE IT IS FILED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>BOARD MEMBERS WITH A POTENTIAL CONFLICT OF INTEREST SIGN A CONFLICT OF INTEREST POLICY ANNUALLY. WHEN AN ISSUE IS BEING VOTED ON BY THE BOARD OF DIRECTORS THAT IS A POTENTIAL CONFLICT OF INTEREST, THE PARTICULAR BOARD MEMBER WITH A CONFLICT WILL ABSTAIN FROM VOTING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD REVIEWS THE PERFORMANCE OF THE MANAGER ANNUALLY, RATHER INFORMALLY, AND NOTES ARE KEPT FROM THE MEETING. THE BOARD COMPARES MANAGER'S SALARY WITH COMPARABLE POSITIONS WITH THE CITY OF YAKIMA.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>CHANGE IN FUND BALANCE FROM CAPITAL CONTRIBUTIONS 762,326. ADDITIONAL MEMBERSHIP CERTIFICATES ISSUED 259,500. OTHER COMPREHENSIVE INCOME - DERIVATIVE INSTRUMENTS 10,065.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THERE ARE NO CHANGES FROM PRIOR YEARS REGARDING THE BOARD'S REVIEW OF THE FORM 990.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>