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        <ReportableCompFromOrgAmt>158551</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>16197</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SCOTT BLACK</PersonNm>
        <TitleTxt>SCIENTIST</TitleTxt>
        <AverageHoursPerWeekRt>35.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>132489</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>12403</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DEANNA MCCAY</PersonNm>
        <TitleTxt>DEPUTY DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>35.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>121366</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>11070</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>751268</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>47545</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>6</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>CHARLES RIVER CFO INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
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            <ZIPCd>02481</ZIPCd>
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        </ContractorAddress>
        <ServicesDesc>ACCOUNTING, OUTSOURCED CFO, HR, BOOKKEEP</ServicesDesc>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
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        <ContractorAddress>
          <USAddress>
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            <ZIPCd>01742</ZIPCd>
          </USAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>105 CHESTNUT STREET SUITE 15</AddressLine1Txt>
            <CityNm>NEEDHAM</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02492</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>AUDIT AND TAX PREP</ServicesDesc>
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      <CntrctRcvdGreaterThan100KCnt>3</CntrctRcvdGreaterThan100KCnt>
      <GovernmentGrantsAmt>5056891</GovernmentGrantsAmt>
      <TotalContributionsAmt>5056891</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>REGISTRATION FEES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>172186</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>172186</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>MEMBERSHIP INCOME</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>20000</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>20000</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>192186</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>2892</TotalRevenueColumnAmt>
        <ExclusionAmt>2892</ExclusionAmt>
      </InvestmentIncomeGrp>
      <OtherRevenueMiscGrp>
        <Desc>OTHER INCOME</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>10310</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>10310</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>10310</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>5262279</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>202496</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>2892</ExclusionAmt>
      </TotalRevenueGrp>
      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>627464</TotalAmt>
        <ProgramServicesAmt>627464</ProgramServicesAmt>
      </GrantsToDomesticOrgsGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>297386</TotalAmt>
        <ProgramServicesAmt>297386</ProgramServicesAmt>
      </GrantsToDomesticIndividualsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>810478</TotalAmt>
        <ProgramServicesAmt>655066</ProgramServicesAmt>
        <ManagementAndGeneralAmt>155412</ManagementAndGeneralAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>1129893</TotalAmt>
        <ProgramServicesAmt>981875</ProgramServicesAmt>
        <ManagementAndGeneralAmt>148018</ManagementAndGeneralAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>68878</TotalAmt>
        <ManagementAndGeneralAmt>68878</ManagementAndGeneralAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>139200</TotalAmt>
        <ManagementAndGeneralAmt>139200</ManagementAndGeneralAmt>
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      <PayrollTaxesGrp>
        <TotalAmt>119884</TotalAmt>
        <ManagementAndGeneralAmt>119884</ManagementAndGeneralAmt>
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      <FeesForServicesLegalGrp>
        <TotalAmt>1418</TotalAmt>
        <ManagementAndGeneralAmt>1418</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>457221</TotalAmt>
        <ProgramServicesAmt>457221</ProgramServicesAmt>
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      <FeesForServicesOtherGrp>
        <TotalAmt>597682</TotalAmt>
        <ProgramServicesAmt>336371</ProgramServicesAmt>
        <ManagementAndGeneralAmt>260911</ManagementAndGeneralAmt>
        <FundraisingAmt>400</FundraisingAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>732</TotalAmt>
        <ManagementAndGeneralAmt>732</ManagementAndGeneralAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>18898</TotalAmt>
        <ProgramServicesAmt>5464</ProgramServicesAmt>
        <ManagementAndGeneralAmt>12534</ManagementAndGeneralAmt>
        <FundraisingAmt>900</FundraisingAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>295886</TotalAmt>
        <ProgramServicesAmt>234103</ProgramServicesAmt>
        <ManagementAndGeneralAmt>61783</ManagementAndGeneralAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>182082</TotalAmt>
        <ManagementAndGeneralAmt>182082</ManagementAndGeneralAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>112563</TotalAmt>
        <ProgramServicesAmt>112563</ProgramServicesAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>4963</TotalAmt>
        <ProgramServicesAmt>4435</ProgramServicesAmt>
        <ManagementAndGeneralAmt>528</ManagementAndGeneralAmt>
      </ConferencesMeetingsGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>2450</TotalAmt>
        <ManagementAndGeneralAmt>2450</ManagementAndGeneralAmt>
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      <InsuranceGrp>
        <TotalAmt>5636</TotalAmt>
        <ManagementAndGeneralAmt>5636</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
        <Desc>PROGRAM COSTS &amp; SERVICE</Desc>
        <TotalAmt>331094</TotalAmt>
        <ProgramServicesAmt>326463</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4631</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
        <Desc>CREDIT &amp; PROCESSING</Desc>
        <TotalAmt>9995</TotalAmt>
        <ManagementAndGeneralAmt>9995</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>5213803</TotalAmt>
        <ProgramServicesAmt>4038411</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1174092</ManagementAndGeneralAmt>
        <FundraisingAmt>1300</FundraisingAmt>
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      <CashNonInterestBearingGrp>
        <BOYAmt>120684</BOYAmt>
        <EOYAmt>163065</EOYAmt>
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      <PledgesAndGrantsReceivableGrp>
        <BOYAmt>515222</BOYAmt>
        <EOYAmt>909979</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
        <EOYAmt>639746</EOYAmt>
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      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>51725</BOYAmt>
        <EOYAmt>21422</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>98499</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>98499</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>422438</BOYAmt>
        <EOYAmt>233203</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>29693</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>1110069</BOYAmt>
        <EOYAmt>1997108</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>690912</BOYAmt>
        <EOYAmt>727091</EOYAmt>
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      <DeferredRevenueGrp>
        <BOYAmt>25100</BOYAmt>
        <EOYAmt>500964</EOYAmt>
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      <OtherLiabilitiesGrp>
        <BOYAmt>296092</BOYAmt>
        <EOYAmt>262878</EOYAmt>
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      <TotalLiabilitiesGrp>
        <BOYAmt>1012104</BOYAmt>
        <EOYAmt>1490933</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <EOYAmt>506175</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>97965</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>97965</BOYAmt>
        <EOYAmt>506175</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>1110069</BOYAmt>
        <EOYAmt>1997108</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>48476</ReconcilationRevenueExpnssAmt>
      <PriorPeriodAdjustmentsAmt>359734</PriorPeriodAdjustmentsAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>1</FederalGrantAuditRequiredInd>
      <FederalGrantAuditPerformedInd>1</FederalGrantAuditPerformedInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>2800739</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>2574504</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>3379209</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>4591238</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>5056891</CurrentTaxYearAmt>
        <TotalAmt>18402581</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>2800739</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>2574504</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>3379209</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>4591238</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>5056891</CurrentTaxYearAmt>
        <TotalAmt>18402581</TotalAmt>
      </TotalCalendarYear170Grp>
      <PublicSupportTotal170Amt>18402581</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearAmt>2892</CurrentTaxYearAmt>
        <TotalAmt>2892</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <OtherIncome170Grp>
        <CurrentTaxYearAmt>10310</CurrentTaxYearAmt>
        <TotalAmt>10310</TotalAmt>
      </OtherIncome170Grp>
      <TotalSupportAmt>18415783</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>192186</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.99930</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.99960</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>66553</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>66553</DepreciationAmt>
        <BookValueAmt>0</BookValueAmt>
      </BuildingsGrp>
      <LeaseholdImprovementsGrp>
        <OtherCostOrOtherBasisAmt>31946</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>31946</DepreciationAmt>
        <BookValueAmt>0</BookValueAmt>
      </LeaseholdImprovementsGrp>
      <TotalBookValueLandBuildingsAmt>0</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>ROU LIABILITIES - OPERATING LEASE</Desc>
        <Amt>29693</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>DEFERRED COMPENSATION</Desc>
        <Amt>233185</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>262878</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>5262279</TotalRevEtcAuditedFinclStmtAmt>
      <RevenueNotReportedAmt>0</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>5262279</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>5262279</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>5213803</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>5213803</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>5213803</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>GAAP REQUIRES MANAGEMENT TO EVALUATE TAX POSITIONS TAKEN AND RECOGNIZE A TAX LIABILITY (OR ASSET) IF CUAHSI 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 AND HAS CONCLUDED THAT AS OF DECEMBER 31, 2023, 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>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>NORTHEASTERN UNIVERSITY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>360 HUNTINGTON AVENUE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02115</ZIPCd>
        </USAddress>
        <RecipientEIN>041679980</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>282157</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>BOOK</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>CIROH-FUNDED PROJECT ASSESSING THE ABILITY FOR COMMUNITIES TO UTILIZE THE NATIONAL WATER MODEL FOR COMMUNITY RESILIENCE PLANNING. THE PROJECT INCLUDES COLLABORATORS AT NORTHEASTERN'S GLOBAL RESILIENCE INSTITUTE.</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>PENNSYLVANIA STATE UNIVERSITY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>2217 EARTH-ENGINEERING SCIENCE</AddressLine1Txt>
          <AddressLine2Txt>BUILDING</AddressLine2Txt>
          <CityNm>UNIVERSITY PARK</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>16802</ZIPCd>
        </USAddress>
        <RecipientEIN>246000376</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>179458</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>BOOK</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>THIS PROJECT ESTABLISHED AND OPERATES THE COORDINATING HUB FOR THE CRITICAL ZONE COLLABORATIVE NETWORK (CZNET). EDUCATION AND OUTREACH SUPPORT.</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>UNIVERSITY OF NORTH CAROLINA</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 402420</AddressLine1Txt>
          <CityNm>ATLANTA</CityNm>
          <StateAbbreviationCd>GA</StateAbbreviationCd>
          <ZIPCd>30384</ZIPCd>
        </USAddress>
        <RecipientEIN>566001393</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>145504</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>BOOK</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>THIS PROJECT ESTABLISHED AND OPERATES THE COORDINATING HUB FOR THE CRITICAL ZONE COLLABORATIVE NETWORK (CZNET). CYBERINFRASTRUCTURE SUPPORT.</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>RUTGERS UNIVERSITY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>33 KNIGHTSBRIDGE ROAD</AddressLine1Txt>
          <CityNm>PISCATAWAY</CityNm>
          <StateAbbreviationCd>NJ</StateAbbreviationCd>
          <ZIPCd>16086</ZIPCd>
        </USAddress>
        <RecipientEIN>226001086</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>16086</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>BOOK</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>CIROH: PROCESS SYNTHESIS, HYDROLOGIC PROCESS SYNTHESIS ACROSS DIVERSE LANDSCAPES: PROVIDING THEORETICAL SUPPORT FOR SPATIALLY VARYING MODEL FORMULATIONS IN FUTURE INSTANTIATIONS OF TEH NATIONAL WATER MODEL.</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>4</Total501c3OrgCnt>
      <TotalOtherOrgCnt>0</TotalOtherOrgCnt>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>CYBERWATER</GrantTypeTxt>
        <RecipientCnt>19</RecipientCnt>
        <CashGrantAmt>103837</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>SUMMER INSTITUTE</GrantTypeTxt>
        <RecipientCnt>25</RecipientCnt>
        <CashGrantAmt>93471</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>TRAVEL</GrantTypeTxt>
        <RecipientCnt>36</RecipientCnt>
        <CashGrantAmt>73765</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>PATHFINDER</GrantTypeTxt>
        <RecipientCnt>6</RecipientCnt>
        <CashGrantAmt>26313</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>CUAHSI MONITOR SUBAWARDS ON A MONTHLY BASIS, AND FOR SMALLER AWARDS TO INDIVIDUALS, WE CONDUCT DISBARMENT CHECKS, PERFORMANCE MONITORING, AND ACCOUNTING REVIEWS TO VERIFY THE VALIDITY OF EXPENSES.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>1</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MARTIN SEUL</PersonNm>
        <TitleTxt>TECHNICAL DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>157051</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>1500</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>16197</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>174748</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JORDAN READ</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>164596</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>7875</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>172471</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>MARTIN SEUL WAS PAID NON-FIXED DISCRETIONARY BONUS OF $1,500 IN 2023.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH MEMBER WILL VOTE ON A NOMINATED MEMBER UNIVERSITY REPRESENTATIVE TO SERVE ON THE BOARD OF DIRECTORS FOR A THREE-YEAR TERM. EVERY YEAR AT THE MEMBERSHIP MEETING, THREE DIRECTORS WILL BE VOTED INTO THE BOARD OF DIRECTORS. AS A MEMBER OF THE BOARD, THAT REPRESENTATIVE WILL HAVE FULL POWER IN THE MANAGEMENT OF THE CORPORATION'S AFFAIRS, ALONG WITH THE OTHER BOARD MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE DRAFT 990 IS REVIEWED BY THE CONTROLLER FOR ACCURACY AND COMPLETION. ONCE APPROVAL OF THE FORM 990 IS PROVIDED BY MANAGEMENT, IT IS E-FILED WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL DIRECTORS ARE GIVEN THE CONFLICT OF INTEREST POLICY UPON ACCEPTING THE POSITION OF THE GOVERNING BODY. ALL TRANSACTIONS ENTERED INTO BY CUAHSI ARE REVIEWED FOR POSSIBLE CONFLICTS OF INTEREST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>AN EXECUTIVE COMPENSATION COMMITTEE COMPRISED OF OFFICERS AND DIRECTORS REVIEWS AND DETERMINES THE EXECUTIVE DIRECTOR'S PERFORMANCE AND SALARY ON AN ANNUAL BASIS. COMPARABLE DATA IS REVIEWED THROUGH SCIENTIFIC ORGANIZATIONS SIMILAR TO CUAHSI AND GENERAL SALARY SURVEYS. IF NEEDED, AN INDEPENDENT SOURCE IS RETAINED FOR FURTHER COMPARISONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING DOCUMENTS ARE AVAILABLE AND ARE POSTED ON THE ORGANIZATION'S WEBSITE. CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>PAYROLL SERVICES: PROGRAM SERVICE EXPENSES 26,692. MANAGEMENT AND GENERAL EXPENSES 2,235. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 28,927. HUMAN RESOURCES: PROGRAM SERVICE EXPENSES 39,459. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 39,459. CONSULTANT SERVICES: PROGRAM SERVICE EXPENSES 270,220. MANAGEMENT AND GENERAL EXPENSES 258,676. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 528,896. PROFESSIONAL SERVICE: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 400. TOTAL EXPENSES 400.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THERE HAS NOT BEEN A CHANGE SINCE LAST YEAR. A FINANCE COMMITTEE OVERSEES THE APPROVAL OF THE FINANCIAL STATEMENTT AND FORM 990.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>