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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>LIABILITY FOR UNCERTAIN TAX POSITIONS (ASC 740)</FormAndLineReferenceDesc>
        <ExplanationTxt>SCHEDULE D, PART X, LINE 2 WBC IS INCLUDED IN THE CONSOLIDATED FINANCIAL STATEMENTS OF NATIONAL FISH &amp; WILDLIFE FOUNDATION. THE FOLLOWING FOOTNOTE WAS TAKEN FROM THESE CONSOLIDATED FINANCIAL STATEMENTS. THE FOUNDATION AND WBC ARE BOTH EXEMPT FROM FEDERAL INCOME TAXES UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE, EXCEPT FOR UNRELATED BUSINESS INCOME. THE FOUNDATION HAS PROCESSES PRESENTLY IN PLACE TO ENSURE THE MAINTENANCE OF ITS TAX-EXEMPT STATUS; TO IDENTIFY AND REPORT UNRELATED INCOME; TO DETERMINE ITS FILING AND TAX OBLIGATIONS IN JURISDICTIONS FOR WHICH IT HAS NEXUS; AND TO IDENTIFY AND EVALUATE OTHER MATTERS THAT MAY BE CONSIDERED TAX POSITIONS. UNDER ASC 740-10, AN ORGANIZATION MUST RECOGNIZE THE TAX BENEFIT ASSOCIATED WITH TAX POSITIONS TAKEN FOR TAX RETURN PURPOSES WHEN IT IS MORE-LIKELY-THAN-NOT THAT THE POSITION WILL BE SUSTAINED. THE ASSESSMENT OF THE TAX POSITION IS BASED SOLELY ON THE TECHNICAL MERITS OF THE POSITION, WITHOUT REGARD TO THE LIKELIHOOD THAT THE TAX POSITION MAY BE CHALLENGED. THE FOUNDATION AND WBC HAVE DETERMINED THAT THERE ARE NO MATERIAL UNCERTAIN TAX POSITIONS THAT REQUIRE RECOGNITION OR DISCLOSURE IN THE FINANCIAL STATEMENTS. FOR THE TAX YEARS ENDED SEPTEMBER 30, 2018 AND 2017 THE FOUNDATION AND WBC DID NOT RECOGNIZE ANY INTEREST OR PENALTIES.</ExplanationTxt>
      </SupplementalInformationDetail>
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        <PersonNm>Holly Bamford</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
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        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
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        <PersonNm>Eric Schwab</PersonNm>
        <TitleTxt>Secretary - end 9/5/18</TitleTxt>
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        <DeferredCompRltdOrgsAmt>27000</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>4031</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>308696</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>David Yardas</PersonNm>
        <TitleTxt>President - end 5/4/18</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>157434</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>3000</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>2218</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>16800</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>30433</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>209885</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Officers and Directors</FormAndLineReferenceDesc>
        <ExplanationTxt>Schedule J, Part II All individuals listed on Schedule J are employees of the related entity, National Fish and Wildlife Foundation. The amounts reported represent compensation as employees of the National Fish and Wildlife Foundation. The Walker Basin Conservancy does not compensate for duties performed as a member of the Board of Directors.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleM documentId="IRS990ScheduleM">
      <WorksOfArtGrp />
      <ArtHistoricalTreasuresGrp />
      <ArtFractionalInterestGrp />
      <BooksAndPublicationsGrp />
      <ClothingAndHouseholdGoodsGrp />
      <CarsAndOtherVehiclesGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>1</ContributionCnt>
        <NoncashContributionsRptF990Amt>252150</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV-Third Party</MethodOfDeterminingRevenuesTxt>
      </CarsAndOtherVehiclesGrp>
      <BoatsAndPlanesGrp />
      <IntellectualPropertyGrp />
      <SecuritiesPubliclyTradedGrp />
      <SecuritiesCloselyHeldStockGrp />
      <SecurPrtnrshpTrustIntrstsGrp />
      <SecuritiesMiscellaneousGrp />
      <QualifiedContribHistStructGrp />
      <QualifiedContribOtherGrp />
      <RealEstateResidentialGrp />
      <RealEstateCommercialGrp />
      <RealEstateOtherGrp />
      <CollectiblesGrp />
      <FoodInventoryGrp />
      <DrugsAndMedicalSuppliesGrp />
      <TaxidermyGrp />
      <HistoricalArtifactsGrp />
      <ScientificSpecimensGrp />
      <ArchaeologicalArtifactsGrp />
      <OtherNonCashContriTableGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <Desc>Water Rights</Desc>
        <ContributionCnt>1</ContributionCnt>
        <NoncashContributionsRptF990Amt>6909470</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV-Third Party</MethodOfDeterminingRevenuesTxt>
      </OtherNonCashContriTableGrp>
      <AnyPropertyThatMustBeHeldInd>false</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>true</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>false</ThirdPartiesUsedInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>NUMBER OF CONTRIBUTIONS</FormAndLineReferenceDesc>
        <ExplanationTxt>SCHEDULE M, PART I, COLUMN (B) THE ORGANIZATION IS REPORTING THE NUMBER OF CONTRIBUTIONS IN COLUMN (B).</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>MEMBERS AND STOCKHOLDERS</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990, PART VI, LINES 6 &amp; 7 WBC HAS ONE CLASS OF MEMBERS, DESCRIBED AS VOTING MEMBERS. THE INITIAL MEMBER WAS APPROVED BY THE GOVERNING BODY. ADDITIONAL MEMBERS ARE ADMITTED BY AFFIRMATIVE VOTE OF A MAJORITY OF THE EXISTING MEMBERS. CURRENTLY, NFWF IS THE SOLE MEMBER TO WBC. WBC MEMBER RIGHTS INCLUDE ELECTION OF DIRECTORS TO THE GOVERNING BODY (BOARD OF DIRECTORS), ELECTED BY A MAJORITY OF THE MEMBERS ANNUALLY OR AS VACANCIES ARISE. ADDITIONALLY, MEMBERS SHALL BE ENTITLED TO VOTE ON ALL MATTERS SUBMITTED TO A VOTE OF THE MEMBERSHIP. NO PART OF THE PROFITS, EXCESS DUES, OR NET ASSETS INURE TO THE BENEFIT OF, NOR CAN BE DISTRIBUTED TO, ITS MEMBERSHIP, OFFICERS, DIRECTORS, OR OTHER PRIVATE PERSONS UPON DISSOLUTION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 REVIEW PROCESS</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990, PART VI, LINE 11B THE FORM 990 IS PREPARED BY AN INDEPENDENT ACCOUNTING FIRM. MANAGEMENT REVIEWS A COPY OF THE FORM 990 BEFORE IT IS PROVIDED TO THE BOARD OF DIRECTORS. THIS REVIEW IS CONDUCTED PRIOR TO FILING THE RETURN WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>CONFLICT OF INTEREST POLICY</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990, PART VI, LINE 12C ALL MEMBERS OF THE BOARD OF DIRECTORS AND OFFICERS MUST SIGN AN ANNUAL STATEMENT RELATED TO THE ORGANIZATION'S WRITTEN CONFLICT OF INTEREST POLICY. IF A PERSON DISCLOSES A POTENTIAL CONFLICT OF INTEREST, THE REMAINING DISINTERESTED MEMBERS OF THE GOVERNING BODY WILL DETERMINE IF AN ACTUAL CONFLICT EXISTS. IN THE EVENT OF AN ACTUAL OR PERCEIVED CONFLICT, THE CONFLICTED INDIVIDUAL IS PRECLUDED FROM PARTICIPATING IN ANY DISCUSSIONS OR DECISIONS RELATED TO THE TRANSACTION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PROCESS FOR DETERMINING COMPENSATION</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990, PART VI, LINES 15A &amp; 15B ALL OFFICERS AND MEMBERS OF THE BOARD OF DIRECTORS THAT SHOW REPORTABLE COMPENSATION IN PART VII, SECTION A ARE COMPENSATED BY A RELATED ORGANIZATION, NATIONAL FISH AND WILDLIFE FOUNDATION. NATIONAL FISH AND WILDLIFE FOUNDATION AND WBC HAVE PROCESSES IN PLACE TO ASSURE THAT ALL COMPENSATION PAID IS REASONABLE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>HOW DOCUMENTS ARE MADE AVAILABLE TO THE PUBLIC</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990, PART VI, LINE 19 THE GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS ARE AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Compensation of Officers and Directors</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990, Part VII, Section A The amounts reported in 1a, column E, reportable compensation from related organizations, represent compensation as employees of the National Fish and Wildlife Foundation, who is a related organization. The Walker Basin Conservancy does not compensate for duties performed as a member of the Board of Directors.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="IRS990ScheduleR">
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>National Fish and Wildlife Foundation</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>1133 15th Street</AddressLine1Txt>
          <CityNm>Washington</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>20005</ZIPCd>
        </USAddress>
        <EIN>521384139</EIN>
        <PrimaryActivitiesTxt>Conservation</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DC</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>07</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NA</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>false</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>false</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>true</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>false</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>false</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>false</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>false</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>false</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>true</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>false</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>false</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>false</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>true</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>true</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>