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        <EOYAmt>71351</EOYAmt>
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      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
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        <EOYAmt>718261</EOYAmt>
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        <EOYAmt>718261</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
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      <ReconcilationRevenueExpnssAmt>61200</ReconcilationRevenueExpnssAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>false</FSAuditedInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
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        <BookValueAmt>600</BookValueAmt>
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        <BookValueAmt>27749</BookValueAmt>
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      <EquipmentGrp>
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        <BookValueAmt>47587</BookValueAmt>
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      <TotalBookValueLandBuildingsAmt>181385</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>Memberships</Desc>
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      <TotalLiabilityAmt>49789</TotalLiabilityAmt>
      <TotalRevEtcAuditedFinclStmtAmt>325836</TotalRevEtcAuditedFinclStmtAmt>
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      <TotalRevenuePerForm990Amt>325836</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>264636</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesSubtotalAmt>264636</ExpensesSubtotalAmt>
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    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="25022934" softwareVersionNum="2025v4.1">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>Each customer of Blair Water Supply Corporation is considered a member and has one vote at the annual membership meeting.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990 is presented to the Board of Directors at the February Board Meeting where it is reviewed and then signed.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 18</FormAndLineReferenceDesc>
        <ExplanationTxt>Documents are provided upon request within a reasonable amount of time.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
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</Return>