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      <OrgDoesNotFollowFASB117Ind>X</OrgDoesNotFollowFASB117Ind>
      <CapStkTrPrinCurrentFundsGrp>
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        <EOYAmt>68450</EOYAmt>
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        <EOYAmt>13810678</EOYAmt>
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      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
      <ReconcilationRevenueExpnssAmt>237833</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>58452</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>24850</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>true</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
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    <IRS990ScheduleD documentId="RetDoc3">
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        <BookValueAmt>275768</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>619419</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>561204</DepreciationAmt>
        <BookValueAmt>58215</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>25833634</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>18218550</DepreciationAmt>
        <BookValueAmt>7615084</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>661156</OtherCostOrOtherBasisAmt>
        <BookValueAmt>661156</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>8610223</TotalBookValueLandBuildingsAmt>
      <InvstProgramRelatedOrgGrp>
        <Desc>COBANK - REQUIRED INVESTMENT</Desc>
        <BookValueAmt>830317</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </InvstProgramRelatedOrgGrp>
      <TotalBookValueProgramRltdAmt>830317</TotalBookValueProgramRltdAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>CONTINGENT DEPOSIT FEES</Desc>
        <Amt>168465</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>HOOKUP FEE LIABILITY</Desc>
        <Amt>6565</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>175030</TotalLiabilityAmt>
      <TotalRevEtcAuditedFinclStmtAmt>2949826</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>58452</NetUnrealizedGainsInvstAmt>
      <RevenueNotReportedAmt>58452</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>2891374</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>10543</InvestmentExpensesNotIncldAmt>
      <RevenueNotReportedFinclStmtAmt>10543</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>2901917</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>2653541</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesSubtotalAmt>2653541</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>10543</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>10543</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>2664084</TotalExpensesPerForm990Amt>
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    <IRS990ScheduleJ documentId="RetDoc4">
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>false</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>false</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>false</EquityBasedCompArrngmInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>BRAD JOHNSON</PersonNm>
        <TitleTxt>GENERAL MANAGER</TitleTxt>
        <BaseCompensationFilingOrgAmt>134385</BaseCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>8176</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>7997</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>150558</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE J, PART III</FormAndLineReferenceDesc>
        <ExplanationTxt>4B. EFFECTIVE JANUARY 1, 2013, THE ASSOCIATION ESTABLISHED A NON-QUALIFIED TOP HAT DEFERRED COMPENSATION PLAN FOR THE MANAGER. THE ASSOCIATION'S BOARD OF DIRECTORS SHALL DETERMINE BY A VOTE, THE FINANCIAL COMMITMENT THE ASSOCIATION WILL MAKE TO THE PLAN FOR EACH CALENDAR YEAR. THE COMMITMENT BENEFITS SHALL BE PAID ON THE LAST DAY OF THE SIXTH CALENDAR MONTH FOLLOWING EITHER TERMINATION OF EMPLOYMENT, OR REACHING NORMAL RETIREMENT AGE (65), DEPENDING ON THE PARTICIPANT'S SELECTION. PARTICIPANTS ARE 100% VESTED IN THEIR BENEFIT IMMEDIATELY UPON DECLARATION OF THE BENEFIT.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc5">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ASSOCIATION PROVIDES WATER AND SERVICES TO MEMBERS. MEMBERSHIPS ARE PURCHASED BY PARTIES INTERESTED IN ACCESSING THE WATER SYSTEM.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ASSOCIATION'S MEMBERS ELECT THE BOARD OF DIRECTORS AT THE ASSOCIATION'S ANNUAL MEETING. DIRECTORS ARE ELECTED TO THREE-YEAR TERMS, AND REPRESENT EITHER ONE OF SIX GEOGRAPHIC DISTRICTS OR THE ONE MEMBERSHIP-AT-LARGE DIRECTOR POSITION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>WHEN THE 990 IS RECEIVED FROM THE ACCOUNTING FIRM WHERE IT IS PREPARED, IT IS GIVEN TO THE GENERAL MANAGER FOR REVIEW. THE GENERAL MANAGER THEN GIVES THE 990 TO THE ACCOUNTING DEPARTMENT FOR REVIEW. THE ACCOUNTING OFFICE WILL OBTAIN SIGNATURES AND PROVIDE BACK TO THE ACCOUNTING FIRM FOR ELECTRONIC FILING. THE 990 IS MADE AVAILABLE TO THE FULL BOARD AT ALL TIMES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE DIRECTORS, MANAGEMENT AND EMPLOYEES OF THE ASSOCIATION ARE AWARE OF THE CONFLICT OF INTEREST POLICY AND THIS IS ADDRESSED WHENEVER A POTENTIAL CONFLICT MAY BE PRESENT. THE POLICY IS PRIMARILY ENFORCED BY THE GENERAL MANAGER AND FULL DISCLOSURE OF CONFLICTS IS EXPECTED WHEN THE BOARD IS MAKING DECISIONS AND APPROVING OR DIRECTING THE ACTIONS OF MANAGEMENT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COMPENSATION FOR THE CEO/GENERAL MANAGER IS DETERMINED BY A REVIEW AND APPROVAL OF THE INDEPENDENT BOARD OF DIRECTORS. THIS IS BASED ON THE RECOMMENDATION OF A SPECIAL COMMITTEE OF THE BOARD SPECIFICALLY SET UP TO MAKE RECOMMENDATIONS ON MANAGEMENT'S COMPENSATION. THE COMMITTEE CONSIDERS THE PAY OF COMPARABLE POSITIONS TO THE EXTENT PRACTICAL AND AVAILABLE. THE BOARD'S REVIEW AND APPROVAL IS CONTEMPORANEOUSLY DOCUMENTED IN THE BOARD MEETING MINUTES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COMPENSATION OF OTHER KEY EMPLOYEES IS DETERMINED BY THE GENERAL MANAGER, IN CONSULTATION WITH THE BOARD OF DIRECTORS, AND IS BASED ON COMPARABLE POSITIONS WHEN POSSIBLE, AND ON APPROVED BUDGETED AMOUNTS FOR EACH POSITION. THE BUDGET IS ALSO APPROVED BY THE INDEPENDENT BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S FORM 990 AND GOVERNING DOCUMENTS ARE AVAILABLE BY REQUEST FOR PUBLIC INSPECTION. FINANCIAL STATEMENTS ARE NOT AVAILABLE EXCEPT THE AUDITED FINANCIAL STATMENTS ARE AVAILABLE AT THE ASSOCIATION'S ANNUAL MEETING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9</FormAndLineReferenceDesc>
        <ExplanationTxt>NEW MEMBERSHIP FEES 1,800 ADDITIONS TO CONSTRUCTION RESERVES 23,050 TOTAL 24,850</ExplanationTxt>
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  </ReturnData>
</Return>