CONSORTIUM OF UNIVERSITIES FOR THE ADVANCEMENT OF HYDROLOGIC SCIENCE: Form 990, tax year 2023

View the entire original 990 at ProPublica ↗

Organization: CONSORTIUM OF UNIVERSITIES FOR THE ADVANCEMENT OF HYDROLOGIC SCIENCE (EIN 52-2326356)
Tax period: 2023-01-01 to 2023-12-31
Filed: 2025-10-17
IRS object ID: 202502909349300430
Schema version: 2023v6.0
Source: Download XML · Original 990 at ProPublica

Every field in the e-filed return. Faint text is the IRS element name, for citing.

Return header
Form 990
Schedule A
Schedule B
Schedule D
Schedule I
Schedule J
Schedule O

Return header ReturnHeader

Field	Value	IRS element (for citing)
Return	2025-10-17T12:33:26-05:00	ReturnTs
Tax Period End	2023-12-31	TaxPeriodEndDt

Preparer Firm PreparerFirmGrp

Field	Value	IRS element (for citing)
Preparer Firm EIN	881478669	PreparerFirmEIN

Preparer Firm Name PreparerFirmName

Field	Value	IRS element (for citing)
Business Name Line1	CBIZ ADVISORS LLC	BusinessNameLine1Txt

Preparer US Address PreparerUSAddress

Field	Value	IRS element (for citing)
Address Line1	1899 L STREET NW 850	AddressLine1Txt
City	WASHINGTON	CityNm
State Abbreviation	DC	StateAbbreviationCd
ZIP	20036	ZIPCd

Field	Value	IRS element (for citing)
Return Type	990	ReturnTypeCd
Tax Period Begin	2023-01-01	TaxPeriodBeginDt

Filer Filer

Field	Value	IRS element (for citing)
EIN	522326356	EIN

Business Name BusinessName

Field	Value	IRS element (for citing)
Business Name Line1	CONSORTIUM OF UNIVERSITIES FOR THE	BusinessNameLine1Txt
Business Name Line2	ADVANCEMENT OF HYDROLOGIC SCIENCE INC	BusinessNameLine2Txt

Field	Value	IRS element (for citing)
Business Name Control	CONS	BusinessNameControlTxt
Phone	3392215400	PhoneNum

US Address USAddress

Field	Value	IRS element (for citing)
Address Line1	1167 MASSACHUSETTS AVE 419	AddressLine1Txt
City	ARLINGTON	CityNm
State Abbreviation	MA	StateAbbreviationCd
ZIP	02476	ZIPCd

Business Officer BusinessOfficerGrp

Field	Value	IRS element (for citing)
Person	JORDAN READ	PersonNm
Person Title	EXECUTIVE DIRECTOR	PersonTitleTxt
Phone	3392215400	PhoneNum
Signature	2025-10-16	SignatureDt
Discuss With Paid Preparer	Yes (1)	DiscussWithPaidPreparerInd

Field	Value	IRS element (for citing)
IRS Responsible Prty Info Curr	Yes (1)	IRSResponsiblePrtyInfoCurrInd

Preparer Person PreparerPersonGrp

Field	Value	IRS element (for citing)
Preparer Person	AARON M FOX	PreparerPersonNm
PTIN	P01365820	PTIN
Phone	2022274000	PhoneNum
Preparation	2025-10-16	PreparationDt

Field	Value	IRS element (for citing)
Tax	2023	TaxYr
Build TS	2025-03-06 01:10:19Z	BuildTS

Form 990 IRS990

Field	Value	IRS element (for citing)
Address Change	Yes (X)	AddressChangeInd
Principal Officer	JORDAN READ	PrincipalOfficerNm

US Address USAddress

Field	Value	IRS element (for citing)
Address Line1	1167 MASSACHUSETTS AVE 419	AddressLine1Txt
City	ARLINGTON	CityNm
State Abbreviation	MA	StateAbbreviationCd
ZIP	02476	ZIPCd

Field	Value	IRS element (for citing)
Gross Receipts	$5,262,279	GrossReceiptsAmt
Group Return For Affiliates	0	GroupReturnForAffiliatesInd
Organization501c3	Yes (X)	Organization501c3Ind
Website Address	WWW.CUAHSI.ORG	WebsiteAddressTxt
Type Of Organization Corp	Yes (X)	TypeOfOrganizationCorpInd
Formation	2001	FormationYr
Legal Domicile State	MA	LegalDomicileStateCd
Activity Or Mission	TO DEVELOP A RESEARCH AGENDA FOR HYDROLOGIC SCIENCE.	ActivityOrMissionDesc
Voting Members Governing Body	17	VotingMembersGoverningBodyCnt
Voting Members Independent	16	VotingMembersIndependentCnt
Total Employee	23	TotalEmployeeCnt
Total Volunteers	16	TotalVolunteersCnt
Total Gross UBI	$0	TotalGrossUBIAmt
Net Unrelated Bus Txbl Incm	$0	NetUnrelatedBusTxblIncmAmt
PY Contributions Grants	$4,483,148	PYContributionsGrantsAmt
CY Contributions Grants	$5,056,891	CYContributionsGrantsAmt
PY Program Service Revenue	$12,400	PYProgramServiceRevenueAmt
CY Program Service Revenue	$192,186	CYProgramServiceRevenueAmt
PY Investment Income	$0	PYInvestmentIncomeAmt
CY Investment Income	$2,892	CYInvestmentIncomeAmt
PY Other Revenue	$95,690	PYOtherRevenueAmt
CY Other Revenue	$10,310	CYOtherRevenueAmt
PY Total Revenue	$4,591,238	PYTotalRevenueAmt
CY Total Revenue	$5,262,279	CYTotalRevenueAmt
PY Grants And Similar Paid	$0	PYGrantsAndSimilarPaidAmt
CY Grants And Similar Paid	$924,850	CYGrantsAndSimilarPaidAmt
PY Benefits Paid To Members	$0	PYBenefitsPaidToMembersAmt
CY Benefits Paid To Members	$0	CYBenefitsPaidToMembersAmt
PY Salaries Comp Emp Bnft Paid	$1,937,575	PYSalariesCompEmpBnftPaidAmt
CY Salaries Comp Emp Bnft Paid	$2,268,333	CYSalariesCompEmpBnftPaidAmt
PY Total Prof Fndrsng Expns	$0	PYTotalProfFndrsngExpnsAmt
CY Total Prof Fndrsng Expns	$0	CYTotalProfFndrsngExpnsAmt
CY Total Fundraising Expense	$1,300	CYTotalFundraisingExpenseAmt
PY Other Expenses	$2,528,517	PYOtherExpensesAmt
CY Other Expenses	$2,020,620	CYOtherExpensesAmt
PY Total Expenses	$4,466,092	PYTotalExpensesAmt
CY Total Expenses	$5,213,803	CYTotalExpensesAmt
PY Revenues Less Expenses	$125,146	PYRevenuesLessExpensesAmt
CY Revenues Less Expenses	$48,476	CYRevenuesLessExpensesAmt
Total Assets BOY	$1,110,069	TotalAssetsBOYAmt
Total Assets EOY	$1,997,108	TotalAssetsEOYAmt
Total Liabilities BOY	$1,012,104	TotalLiabilitiesBOYAmt
Total Liabilities EOY	$1,490,933	TotalLiabilitiesEOYAmt
Net Assets Or Fund Balances BOY	$97,965	NetAssetsOrFundBalancesBOYAmt
Net Assets Or Fund Balances EOY	$506,175	NetAssetsOrFundBalancesEOYAmt
Mission	TO SHAPE THE FUTURE OF HYDROLOGIC SCIENCE BY STRENGTHENING MULTIDISCIPLINARY COLLABORATION, DEVELOPING AND OPERATING RESEARCH, INFRASTRUCTURE AND PROMOTING WATER EDUCATION AND TRAINING.	MissionDesc
Significant New Program Srvc	0	SignificantNewProgramSrvcInd
Significant Change	0	SignificantChangeInd
Expense	$4,038,411	ExpenseAmt
Grant	$924,850	GrantAmt
Revenue	$202,496	RevenueAmt
Desc	DEVELOPMENT OF A RESEARCH AGENDA FOR HYDROLOGIC SCIENCE. DEVELOPING AND OPERATING THE INFRASTRUCTURE NECESSARY TO ACCOMPLISH THAT RESEARCH AND ENHANCING THE VISIBILITY AND UTILITY OF HYDROLOGIC SCIENCE TO SOCIETY THROUGH EDUCATION OUTREACH AND TECHNOLOGY TRANSFER.	Desc
Total Program Service Expenses	$4,038,411	TotalProgramServiceExpensesAmt
Described In Section501c3	Yes (1)	DescribedInSection501c3Ind
Schedule B Required	Yes (1)	ScheduleBRequiredInd
Political Campaign Acty	0	PoliticalCampaignActyInd
Lobbying Activities	0	LobbyingActivitiesInd
Subject To Proxy Tax	0	SubjectToProxyTaxInd
Donor Advised Fund	0	DonorAdvisedFundInd
Conservation Easements	0	ConservationEasementsInd
Collections Of Art	0	CollectionsOfArtInd
Credit Counseling	0	CreditCounselingInd
Donor Rstr Or Quasi Endowments	0	DonorRstrOrQuasiEndowmentsInd
Report Land Building Equipment	Yes (1)	ReportLandBuildingEquipmentInd
Report Investments Other Sec	0	ReportInvestmentsOtherSecInd
Report Program Related Invst	0	ReportProgramRelatedInvstInd
Report Other Assets	0	ReportOtherAssetsInd
Report Other Liabilities	Yes (1)	ReportOtherLiabilitiesInd
Include FIN48 Footnote	Yes (1)	IncludeFIN48FootnoteInd
Independent Audit Fincl Stmt	Yes (1)	IndependentAuditFinclStmtInd
Consolidated Audit Fincl Stmt	0	ConsolidatedAuditFinclStmtInd
School Operating	0	SchoolOperatingInd
Foreign Office	0	ForeignOfficeInd
Foreign Activities	0	ForeignActivitiesInd
More Than5000 K To Org	0	MoreThan5000KToOrgInd
More Than5000 K To Individuals	0	MoreThan5000KToIndividualsInd
Professional Fundraising	0	ProfessionalFundraisingInd
Fundraising Activities	0	FundraisingActivitiesInd
Gaming Activities	0	GamingActivitiesInd
Operate Hospital	0	OperateHospitalInd
Grants To Organizations	Yes (1)	GrantsToOrganizationsInd
Grants To Individuals	Yes (1)	GrantsToIndividualsInd
Schedule J Required	Yes (1)	ScheduleJRequiredInd
Tax Exempt Bonds	0	TaxExemptBondsInd
Engaged In Excess Benefit Trans	0	EngagedInExcessBenefitTransInd
PY Excess Benefit Trans	0	PYExcessBenefitTransInd
Loan Outstanding	0	LoanOutstandingInd
Grant To Related Person	0	GrantToRelatedPersonInd
Business Rln With Org Mem	0	BusinessRlnWithOrgMemInd
Business Rln With Fam Mem	0	BusinessRlnWithFamMemInd
Business Rln With35 Ctrl Ent	0	BusinessRlnWith35CtrlEntInd
Deductible Non Cash Contri	0	DeductibleNonCashContriInd
Deductible Art Contribution	0	DeductibleArtContributionInd
Terminate Operations	0	TerminateOperationsInd
Partial Liquidation	0	PartialLiquidationInd
Disregarded Entity	0	DisregardedEntityInd
Related Entity	0	RelatedEntityInd
Related Organization Ctrl Ent	0	RelatedOrganizationCtrlEntInd
Trnsfr Exmpt Non Chrtbl Rltd Org	0	TrnsfrExmptNonChrtblRltdOrgInd
Activities Conducted Prtshp	0	ActivitiesConductedPrtshpInd
Schedule O Required	Yes (1)	ScheduleORequiredInd
IRP Document	56	IRPDocumentCnt
IRP Document W2 G	0	IRPDocumentW2GCnt
Backup Wthld Compliance	Yes (1)	BackupWthldComplianceInd
Employee	23	EmployeeCnt
Employment Tax Returns Filed	Yes (1)	EmploymentTaxReturnsFiledInd
Unrelated Bus Incm Over Limit	0	UnrelatedBusIncmOverLimitInd
Foreign Financial Account	0	ForeignFinancialAccountInd
Prohibited Tax Shelter Trans	0	ProhibitedTaxShelterTransInd
Taxable Party Notification	0	TaxablePartyNotificationInd
Nondeductible Contributions	0	NondeductibleContributionsInd
Quid Pro Quo Contributions	0	QuidProQuoContributionsInd
Form8282 Property Disposed Of	0	Form8282PropertyDisposedOfInd
Rcv Fnds To Pay Prsnl Bnft Cntrct	0	RcvFndsToPayPrsnlBnftCntrctInd
Pay Premiums Prsnl Bnft Cntrct	0	PayPremiumsPrsnlBnftCntrctInd
Indoor Tanning Services	0	IndoorTanningServicesInd
Subj To Tax Rmnrtn Ex Prcht Pymt	0	SubjToTaxRmnrtnExPrchtPymtInd
Subject To Excs Tax Net Invst Inc	0	SubjectToExcsTaxNetInvstIncInd
Info In Schedule O Part VI	Yes (X)	InfoInScheduleOPartVIInd
Governing Body Voting Members	17	GoverningBodyVotingMembersCnt
Independent Voting Member	16	IndependentVotingMemberCnt
Family Or Business Rln	0	FamilyOrBusinessRlnInd
Delegation Of Mgmt Duties	0	DelegationOfMgmtDutiesInd
Change To Org Documents	0	ChangeToOrgDocumentsInd
Material Diversion Or Misuse	0	MaterialDiversionOrMisuseInd
Members Or Stockholders	0	MembersOrStockholdersInd
Election Of Board Members	Yes (1)	ElectionOfBoardMembersInd
Decisions Subject To Approva	0	DecisionsSubjectToApprovaInd
Minutes Of Governing Body	Yes (1)	MinutesOfGoverningBodyInd
Minutes Of Committees	Yes (1)	MinutesOfCommitteesInd
Officer Mailing Address	0	OfficerMailingAddressInd
Local Chapters	0	LocalChaptersInd
Form990 Provided To Gvrn Body	0	Form990ProvidedToGvrnBodyInd
Conflict Of Interest Policy	Yes (1)	ConflictOfInterestPolicyInd
Annual Disclosure Covered Prsn	Yes (1)	AnnualDisclosureCoveredPrsnInd
Regular Monitoring Enfrc	Yes (1)	RegularMonitoringEnfrcInd
Whistleblower Policy	Yes (1)	WhistleblowerPolicyInd
Document Retention Policy	Yes (1)	DocumentRetentionPolicyInd
Compensation Process CEO	Yes (1)	CompensationProcessCEOInd
Compensation Process Other	0	CompensationProcessOtherInd
Investment In Joint Venture	0	InvestmentInJointVentureInd
States Where Copy Of Return Is Fld	MA	StatesWhereCopyOfReturnIsFldCd
Upon Request	Yes (X)	UponRequestInd

Books In Care Of Detail BooksInCareOfDetail

Business Name BusinessName

Field	Value	IRS element (for citing)
Business Name Line1	MAUREEN AKO	BusinessNameLine1Txt

Field	Value	IRS element (for citing)
Phone	3392215400	PhoneNum

US Address USAddress

Field	Value	IRS element (for citing)
Address Line1	1167 MASSACHUSETTS AVE 419	AddressLine1Txt
City	ARLINGTON	CityNm
State Abbreviation	MA	StateAbbreviationCd
ZIP	02476	ZIPCd

Form990 Part VII Section A Form990PartVIISectionAGrp (22 entries)

TitleTitleTxt	Average Hours Per WeekAverageHoursPerWeekRt	Individual Trustee Or DirectorIndividualTrusteeOrDirectorInd	OfficerOfficerInd	Reportable Comp From OrgReportableCompFromOrgAmt	Reportable Comp From Rltd OrgReportableCompFromRltdOrgAmt	Other CompensationOtherCompensationAmt	Key EmployeeKeyEmployeeInd	Highest Compensated EmployeeHighestCompensatedEmployeeInd
ALEJANDRO FLORES
CHAIR UNTIL 01/23, PAST CHAIR	2.00	Yes (X)	Yes (X)	$5,000	$0	$0
JAY PETER ZARNETSKE
BOARD MEMBER UNTIL 01/23, CHAIR	4.00	Yes (X)	Yes (X)	$20,000	$0	$0
TROY GILMORE
TREASURER	2.00	Yes (X)	Yes (X)	$0	$0	$0
ADAM WARD
SECRETARY	2.00	Yes (X)	Yes (X)	$0	$0	$0
ANNE JEFFERSON
BOARD MEMBER UNTIL 01/23,CHAIR-ELECT	2.00	Yes (X)	Yes (X)	$0	$0	$0
HOLLY BARNARD
BOARD MEMBER	2.00	Yes (X)		$0	$0	$0
ADITI BHASKAR
BOARD MEMBER	2.00	Yes (X)		$0	$0	$0
GH CRYSTAL
BOARD MEMBER	2.00	Yes (X)		$0	$0	$0
SAFEEQ KHAN
BOARD MEMBER	2.00	Yes (X)		$0	$0	$0
SARAH LEDFORD
BOARD MEMBER	2.00	Yes (X)		$0	$0	$0
STEVEN LOHEIDE
BOARD MEMBER	2.00	Yes (X)		$0	$0	$0
ASHOK MISHRA
BOARD MEMBER	2.00	Yes (X)		$0	$0	$0
ANNE NOLIN
BOARD MEMBER	2.00	Yes (X)		$0	$0	$0
MARGARET ZIMMER
BOARD MEMBER	2.00	Yes (X)		$0	$0	$0
JP GANNON
BOARD MEMBER AS OF 01/23	2.00	Yes (X)		$0	$0	$0
ANDREW GUSWA
BOARD MEMBER AS OF 01/23	2.00	Yes (X)		$0	$0	$0
HOORI AJAMI
BOARD MEMBER AS OF 01/23	2.00	Yes (X)		$0	$0	$0
JERAD BALES
EXECUTIVE DIRECTOR	35.00		Yes (X)	$149,266	$0	$0
JORDAN READ
EXECUTIVE DIRECTOR	35.00		Yes (X)	$164,596	$0	$7,875
MARTIN SEUL
TECHNICAL DIRECTOR	35.00			$158,551	$0	$16,197	Yes (X)
SCOTT BLACK
SCIENTIST	35.00			$132,489	$0	$12,403		Yes (X)
DEANNA MCCAY
DEPUTY DIRECTOR	35.00			$121,366	$0	$11,070		Yes (X)

Field	Value	IRS element (for citing)
Total Reportable Comp From Org	$751,268	TotalReportableCompFromOrgAmt
Tot Reportable Comp Rltd Org	$0	TotReportableCompRltdOrgAmt
Total Other Compensation	$47,545	TotalOtherCompensationAmt
Indiv Rcvd Greater Than100 K	6	IndivRcvdGreaterThan100KCnt
Former Ofcr Employees Listed	0	FormerOfcrEmployeesListedInd
Total Comp Greater Than150 K	Yes (1)	TotalCompGreaterThan150KInd
Compensation From Other Srcs	0	CompensationFromOtherSrcsInd

Contractor Compensation ContractorCompensationGrp (3 entries)

Address Line1ContractorAddress/USAddress/AddressLine1Txt	CityContractorAddress/USAddress/CityNm	State AbbreviationContractorAddress/USAddress/StateAbbreviationCd	ZIPContractorAddress/USAddress/ZIPCd	ServicesServicesDesc	CompensationCompensationAmt
CHARLES RIVER CFO INC
20 WALNUT STREET	WELLESLEY	MA	02481	ACCOUNTING, OUTSOURCED CFO, HR, BOOKKEEP	$599,607
EASTERN RESEARCH GROUP
561 VIRGINIA ROAD SUITE 300 BUILD	CONCORD	MA	01742	SOFTWARE DEVELOPMENT SERVICES	$192,992
KELLY VITALE RAFFOL LLC
105 CHESTNUT STREET SUITE 15	NEEDHAM	MA	02492	AUDIT AND TAX PREP	$129,163

Field	Value	IRS element (for citing)
Cntrct Rcvd Greater Than100 K	3	CntrctRcvdGreaterThan100KCnt
Government Grants	$5,056,891	GovernmentGrantsAmt
Total Contributions	$5,056,891	TotalContributionsAmt

Program Service Revenue ProgramServiceRevenueGrp (2 entries)

DescDesc	BusinessBusinessCd	Total Revenue ColumnTotalRevenueColumnAmt	Related Or Exempt Func IncomeRelatedOrExemptFuncIncomeAmt
REGISTRATION FEES	900099	$172,186	$172,186
MEMBERSHIP INCOME	900099	$20,000	$20,000

Field	Value	IRS element (for citing)
Total Program Service Revenue	$192,186	TotalProgramServiceRevenueAmt

Investment Income InvestmentIncomeGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$2,892	TotalRevenueColumnAmt
Exclusion	$2,892	ExclusionAmt

Other Revenue Misc OtherRevenueMiscGrp

Field	Value	IRS element (for citing)
Desc	OTHER INCOME	Desc
Business	900099	BusinessCd
Total Revenue Column	$10,310	TotalRevenueColumnAmt
Related Or Exempt Func Income	$10,310	RelatedOrExemptFuncIncomeAmt

Field	Value	IRS element (for citing)
Other Revenue Total	$10,310	OtherRevenueTotalAmt

Total Revenue TotalRevenueGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$5,262,279	TotalRevenueColumnAmt
Related Or Exempt Func Income	$202,496	RelatedOrExemptFuncIncomeAmt
Unrelated Business Revenue	$0	UnrelatedBusinessRevenueAmt
Exclusion	$2,892	ExclusionAmt

Field	Value	IRS element (for citing)
Info In Schedule O Part IX	Yes (X)	InfoInScheduleOPartIXInd

Grants To Domestic Orgs GrantsToDomesticOrgsGrp

Field	Value	IRS element (for citing)
Total	$627,464	TotalAmt
Program Services	$627,464	ProgramServicesAmt

Grants To Domestic Individuals GrantsToDomesticIndividualsGrp

Field	Value	IRS element (for citing)
Total	$297,386	TotalAmt
Program Services	$297,386	ProgramServicesAmt

Comp Current Ofcr Directors CompCurrentOfcrDirectorsGrp

Field	Value	IRS element (for citing)
Total	$810,478	TotalAmt
Program Services	$655,066	ProgramServicesAmt
Management And General	$155,412	ManagementAndGeneralAmt

Other Salaries And Wages OtherSalariesAndWagesGrp

Field	Value	IRS element (for citing)
Total	$1,129,893	TotalAmt
Program Services	$981,875	ProgramServicesAmt
Management And General	$148,018	ManagementAndGeneralAmt

Pension Plan Contributions PensionPlanContributionsGrp

Field	Value	IRS element (for citing)
Total	$68,878	TotalAmt
Management And General	$68,878	ManagementAndGeneralAmt

Other Employee Benefits OtherEmployeeBenefitsGrp

Field	Value	IRS element (for citing)
Total	$139,200	TotalAmt
Management And General	$139,200	ManagementAndGeneralAmt

Payroll Taxes PayrollTaxesGrp

Field	Value	IRS element (for citing)
Total	$119,884	TotalAmt
Management And General	$119,884	ManagementAndGeneralAmt

Fees For Services Legal FeesForServicesLegalGrp

Field	Value	IRS element (for citing)
Total	$1,418	TotalAmt
Management And General	$1,418	ManagementAndGeneralAmt

Fees For Services Accounting FeesForServicesAccountingGrp

Field	Value	IRS element (for citing)
Total	$457,221	TotalAmt
Program Services	$457,221	ProgramServicesAmt

Fees For Services Other FeesForServicesOtherGrp

Field	Value	IRS element (for citing)
Total	$597,682	TotalAmt
Program Services	$336,371	ProgramServicesAmt
Management And General	$260,911	ManagementAndGeneralAmt
Fundraising	$400	FundraisingAmt

Advertising AdvertisingGrp

Field	Value	IRS element (for citing)
Total	$732	TotalAmt
Management And General	$732	ManagementAndGeneralAmt

Office Expenses OfficeExpensesGrp

Field	Value	IRS element (for citing)
Total	$18,898	TotalAmt
Program Services	$5,464	ProgramServicesAmt
Management And General	$12,534	ManagementAndGeneralAmt
Fundraising	$900	FundraisingAmt

Information Technology InformationTechnologyGrp

Field	Value	IRS element (for citing)
Total	$295,886	TotalAmt
Program Services	$234,103	ProgramServicesAmt
Management And General	$61,783	ManagementAndGeneralAmt

Occupancy OccupancyGrp

Field	Value	IRS element (for citing)
Total	$182,082	TotalAmt
Management And General	$182,082	ManagementAndGeneralAmt

Travel TravelGrp

Field	Value	IRS element (for citing)
Total	$112,563	TotalAmt
Program Services	$112,563	ProgramServicesAmt

Conferences Meetings ConferencesMeetingsGrp

Field	Value	IRS element (for citing)
Total	$4,963	TotalAmt
Program Services	$4,435	ProgramServicesAmt
Management And General	$528	ManagementAndGeneralAmt

Depreciation Depletion DepreciationDepletionGrp

Field	Value	IRS element (for citing)
Total	$2,450	TotalAmt
Management And General	$2,450	ManagementAndGeneralAmt

Insurance InsuranceGrp

Field	Value	IRS element (for citing)
Total	$5,636	TotalAmt
Management And General	$5,636	ManagementAndGeneralAmt

Other Expenses OtherExpensesGrp (2 entries)

DescDesc	TotalTotalAmt	Program ServicesProgramServicesAmt	Management And GeneralManagementAndGeneralAmt
PROGRAM COSTS & SERVICE	$331,094	$326,463	$4,631
CREDIT & PROCESSING	$9,995		$9,995

Total Functional Expenses TotalFunctionalExpensesGrp

Field	Value	IRS element (for citing)
Total	$5,213,803	TotalAmt
Program Services	$4,038,411	ProgramServicesAmt
Management And General	$1,174,092	ManagementAndGeneralAmt
Fundraising	$1,300	FundraisingAmt

Cash Non Interest Bearing CashNonInterestBearingGrp

Field	Value	IRS element (for citing)
BOY	$120,684	BOYAmt
EOY	$163,065	EOYAmt

Pledges And Grants Receivable PledgesAndGrantsReceivableGrp

Field	Value	IRS element (for citing)
BOY	$515,222	BOYAmt
EOY	$909,979	EOYAmt

Accounts Receivable AccountsReceivableGrp

Field	Value	IRS element (for citing)
EOY	$639,746	EOYAmt

Prepaid Expenses Defrd Charges PrepaidExpensesDefrdChargesGrp

Field	Value	IRS element (for citing)
BOY	$51,725	BOYAmt
EOY	$21,422	EOYAmt

Field	Value	IRS element (for citing)
Land Bldg Equip Cost Or Other Bss	$98,499	LandBldgEquipCostOrOtherBssAmt
Land Bldg Equip Accum Deprec	$98,499	LandBldgEquipAccumDeprecAmt

Land Bldg Equip Basis Net LandBldgEquipBasisNetGrp

Field	Value	IRS element (for citing)
BOY	$0	BOYAmt
EOY	$0	EOYAmt

Investments Pub Traded Sec InvestmentsPubTradedSecGrp

Field	Value	IRS element (for citing)
BOY	$422,438	BOYAmt
EOY	$233,203	EOYAmt

Other Assets Total OtherAssetsTotalGrp

Field	Value	IRS element (for citing)
BOY	$0	BOYAmt
EOY	$29,693	EOYAmt

Total Assets TotalAssetsGrp

Field	Value	IRS element (for citing)
BOY	$1,110,069	BOYAmt
EOY	$1,997,108	EOYAmt

Accounts Payable Accr Expnss AccountsPayableAccrExpnssGrp

Field	Value	IRS element (for citing)
BOY	$690,912	BOYAmt
EOY	$727,091	EOYAmt

Deferred Revenue DeferredRevenueGrp

Field	Value	IRS element (for citing)
BOY	$25,100	BOYAmt
EOY	$500,964	EOYAmt

Other Liabilities OtherLiabilitiesGrp

Field	Value	IRS element (for citing)
BOY	$296,092	BOYAmt
EOY	$262,878	EOYAmt

Total Liabilities TotalLiabilitiesGrp

Field	Value	IRS element (for citing)
BOY	$1,012,104	BOYAmt
EOY	$1,490,933	EOYAmt

Field	Value	IRS element (for citing)
Organization Follows FASB117	Yes (X)	OrganizationFollowsFASB117Ind

No Donor Restriction Net Assets NoDonorRestrictionNetAssetsGrp

Field	Value	IRS element (for citing)
EOY	$506,175	EOYAmt

Donor Restriction Net Assets DonorRestrictionNetAssetsGrp

Field	Value	IRS element (for citing)
BOY	$97,965	BOYAmt
EOY	$0	EOYAmt

Total Net Assets Fund Balance TotalNetAssetsFundBalanceGrp

Field	Value	IRS element (for citing)
BOY	$97,965	BOYAmt
EOY	$506,175	EOYAmt

Tot Liab Net Assets Fund Balance TotLiabNetAssetsFundBalanceGrp

Field	Value	IRS element (for citing)
BOY	$1,110,069	BOYAmt
EOY	$1,997,108	EOYAmt

Field	Value	IRS element (for citing)
Reconcilation Revenue Expnss	$48,476	ReconcilationRevenueExpnssAmt
Prior Period Adjustments	$359,734	PriorPeriodAdjustmentsAmt
Other Changes In Net Assets	$0	OtherChangesInNetAssetsAmt
Info In Schedule O Part XII	Yes (X)	InfoInScheduleOPartXIIInd
Method Of Accounting Accrual	Yes (X)	MethodOfAccountingAccrualInd
Accountant Compile Or Review	0	AccountantCompileOrReviewInd
FS Audited	Yes (1)	FSAuditedInd

FS Audited Basis FSAuditedBasisGrp

Field	Value	IRS element (for citing)
Separate Basis Fincl Stmt	Yes (X)	SeparateBasisFinclStmtInd

Field	Value	IRS element (for citing)
Audit Committee	Yes (1)	AuditCommitteeInd
Federal Grant Audit Required	Yes (1)	FederalGrantAuditRequiredInd
Federal Grant Audit Performed	Yes (1)	FederalGrantAuditPerformedInd

Schedule A IRS990ScheduleA

Field	Value	IRS element (for citing)
Public Organization170	Yes (X)	PublicOrganization170Ind

Gifts Grants Contri Rcvd170 GiftsGrantsContriRcvd170Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$2,800,739	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$2,574,504	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$3,379,209	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$4,591,238	CurrentTaxYearMinus1YearAmt
Current Tax Year	$5,056,891	CurrentTaxYearAmt
Total	$18,402,581	TotalAmt

Total Calendar Year170 TotalCalendarYear170Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$2,800,739	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$2,574,504	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$3,379,209	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$4,591,238	CurrentTaxYearMinus1YearAmt
Current Tax Year	$5,056,891	CurrentTaxYearAmt
Total	$18,402,581	TotalAmt

Field	Value	IRS element (for citing)
Public Support Total170	$18,402,581	PublicSupportTotal170Amt

Gross Investment Income170 GrossInvestmentIncome170Grp

Field	Value	IRS element (for citing)
Current Tax Year	$2,892	CurrentTaxYearAmt
Total	$2,892	TotalAmt

Other Income170 OtherIncome170Grp

Field	Value	IRS element (for citing)
Current Tax Year	$10,310	CurrentTaxYearAmt
Total	$10,310	TotalAmt

Field	Value	IRS element (for citing)
Total Support	$18,415,783	TotalSupportAmt
Gross Receipts Rltd Activities	$192,186	GrossReceiptsRltdActivitiesAmt
Public Support CY170	0.99930	PublicSupportCY170Pct
Public Support PY170	0.99960	PublicSupportPY170Pct
Thirty Thr Pct Suprt Tests CY170	Yes (X)	ThirtyThrPctSuprtTestsCY170Ind

Schedule B IRS990ScheduleB

Contributor Information ContributorInformationGrp

Field	Value	IRS element (for citing)
Contributor	RESTRICTED	ContributorNum

Contributor Business Name ContributorBusinessName

Field	Value	IRS element (for citing)
Business Name Line1	RESTRICTED	BusinessNameLine1

Contributor US Address ContributorUSAddress

Field	Value	IRS element (for citing)
Address Line1	RESTRICTED	AddressLine1
Address Line2	RESTRICTED	AddressLine2
City	RESTRICTED	City
State	RESTRICTED	State
ZIP Code	RESTRICTED	ZIPCode

Field	Value	IRS element (for citing)
Total Contributions	RESTRICTED	TotalContributionsAmt

Schedule D IRS990ScheduleD

Buildings BuildingsGrp

Field	Value	IRS element (for citing)
Other Cost Or Other Basis	$66,553	OtherCostOrOtherBasisAmt
Depreciation	$66,553	DepreciationAmt
Book Value	$0	BookValueAmt

Leasehold Improvements LeaseholdImprovementsGrp

Field	Value	IRS element (for citing)
Other Cost Or Other Basis	$31,946	OtherCostOrOtherBasisAmt
Depreciation	$31,946	DepreciationAmt
Book Value	$0	BookValueAmt

Field	Value	IRS element (for citing)
Total Book Value Land Buildings	$0	TotalBookValueLandBuildingsAmt

Other Liabilities Org OtherLiabilitiesOrgGrp (2 entries)

DescDesc	AmtAmt
ROU LIABILITIES - OPERATING LEASE	$29,693
DEFERRED COMPENSATION	$233,185

Field	Value	IRS element (for citing)
Total Liability	$262,878	TotalLiabilityAmt
Footnote Text	Yes (X)	FootnoteTextInd
Total Rev Etc Audited Fincl Stmt	$5,262,279	TotalRevEtcAuditedFinclStmtAmt
Revenue Not Reported	$0	RevenueNotReportedAmt
Revenue Subtotal	$5,262,279	RevenueSubtotalAmt
Revenue Not Reported Fincl Stmt	$0	RevenueNotReportedFinclStmtAmt
Total Revenue Per Form990	$5,262,279	TotalRevenuePerForm990Amt
Tot Expns Etc Audited Fincl Stmt	$5,213,803	TotExpnsEtcAuditedFinclStmtAmt
Expenses Not Reported	$0	ExpensesNotReportedAmt
Expenses Subtotal	$5,213,803	ExpensesSubtotalAmt
Expenses Not Rpt Fincl Stmt	$0	ExpensesNotRptFinclStmtAmt
Total Expenses Per Form990	$5,213,803	TotalExpensesPerForm990Amt

Supplemental Information Detail SupplementalInformationDetail

Field	Value	IRS element (for citing)
Form And Line Reference	PART X, LINE 2:	FormAndLineReferenceDesc
Explanation	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

Schedule I IRS990ScheduleI

Field	Value	IRS element (for citing)
Grant Records Maintained	Yes (1)	GrantRecordsMaintainedInd

Recipient Table RecipientTable (4 entries)

Address Line1USAddress/AddressLine1Txt	CityUSAddress/CityNm	State AbbreviationUSAddress/StateAbbreviationCd	ZIPUSAddress/ZIPCd	Recipient EINRecipientEIN	IRC SectionIRCSectionDesc	Cash GrantCashGrantAmt	Non Cash AssistanceNonCashAssistanceAmt	Valuation Method UsedValuationMethodUsedDesc	Purpose Of GrantPurposeOfGrantTxt	Address Line2USAddress/AddressLine2Txt
NORTHEASTERN UNIVERSITY
360 HUNTINGTON AVENUE	BOSTON	MA	02115	041679980	501(C)(3)	$282,157	$0	BOOK	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.
PENNSYLVANIA STATE UNIVERSITY
2217 EARTH-ENGINEERING SCIENCE	UNIVERSITY PARK	PA	16802	246000376	501(C)(3)	$179,458	$0	BOOK	THIS PROJECT ESTABLISHED AND OPERATES THE COORDINATING HUB FOR THE CRITICAL ZONE COLLABORATIVE NETWORK (CZNET). EDUCATION AND OUTREACH SUPPORT.	BUILDING
UNIVERSITY OF NORTH CAROLINA
PO BOX 402420	ATLANTA	GA	30384	566001393	501(C)(3)	$145,504	$0	BOOK	THIS PROJECT ESTABLISHED AND OPERATES THE COORDINATING HUB FOR THE CRITICAL ZONE COLLABORATIVE NETWORK (CZNET). CYBERINFRASTRUCTURE SUPPORT.
RUTGERS UNIVERSITY
33 KNIGHTSBRIDGE ROAD	PISCATAWAY	NJ	16086	226001086	501(C)(3)	$16,086	$0	BOOK	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.

Field	Value	IRS element (for citing)
Total501c3 Org	4	Total501c3OrgCnt
Total Other Org	0	TotalOtherOrgCnt

Grants Other Asst To Indiv In US GrantsOtherAsstToIndivInUSGrp (4 entries)

Grant TypeGrantTypeTxt	RecipientRecipientCnt	Cash GrantCashGrantAmt
CYBERWATER	19	$103,837
SUMMER INSTITUTE	25	$93,471
TRAVEL	36	$73,765
PATHFINDER	6	$26,313

Supplemental Information Detail SupplementalInformationDetail

Field	Value	IRS element (for citing)
Form And Line Reference	PART I, LINE 2:	FormAndLineReferenceDesc
Explanation	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

Schedule J IRS990ScheduleJ

Field	Value	IRS element (for citing)
Compensation Committee	Yes (X)	CompensationCommitteeInd
Form990 Of Other Organizations	Yes (X)	Form990OfOtherOrganizationsInd
Written Employment Contract	Yes (X)	WrittenEmploymentContractInd
Compensation Survey	Yes (X)	CompensationSurveyInd
Board Or Committee Approval	Yes (X)	BoardOrCommitteeApprovalInd
Severance Payment	0	SeverancePaymentInd
Supplemental Nonqual Rtr Plan	0	SupplementalNonqualRtrPlanInd
Equity Based Comp Arrngm	0	EquityBasedCompArrngmInd
Comp Based On Revenue Of Flng Org	0	CompBasedOnRevenueOfFlngOrgInd
Comp Bsd On Rev Related Orgs	0	CompBsdOnRevRelatedOrgsInd
Comp Bsd Net Earns Flng Org	0	CompBsdNetEarnsFlngOrgInd
Comp Bsd Net Earns Rltd Orgs	0	CompBsdNetEarnsRltdOrgsInd
Any Non Fixed Payments	Yes (1)	AnyNonFixedPaymentsInd
Initial Contract Exception	0	InitialContractExceptionInd

Rltd Org Officer Trst Key Empl RltdOrgOfficerTrstKeyEmplGrp (2 entries)

TitleTitleTxt	Base Compensation Filing OrgBaseCompensationFilingOrgAmt	Compensation Based On Rltd OrgsCompensationBasedOnRltdOrgsAmt	Bonus Filing OrganizationBonusFilingOrganizationAmount	Bonus Related OrganizationsBonusRelatedOrganizationsAmt	Other Compensation Filing OrgOtherCompensationFilingOrgAmt	Other Compensation Rltd OrgsOtherCompensationRltdOrgsAmt	Deferred Compensation Flng OrgDeferredCompensationFlngOrgAmt	Deferred Comp Rltd OrgsDeferredCompRltdOrgsAmt	Nontaxable Benefits Filing OrgNontaxableBenefitsFilingOrgAmt	Nontaxable Benefits Rltd OrgsNontaxableBenefitsRltdOrgsAmt	Total Compensation Filing OrgTotalCompensationFilingOrgAmt	Total Compensation Rltd OrgsTotalCompensationRltdOrgsAmt	Comp Report Prior990 Filing OrgCompReportPrior990FilingOrgAmt	Comp Report Prior990 Rltd OrgsCompReportPrior990RltdOrgsAmt
MARTIN SEUL
TECHNICAL DIRECTOR	$157,051	$0	$1,500	$0	$0	$0	$16,197	$0	$0	$0	$174,748	$0	$0	$0
JORDAN READ
EXECUTIVE DIRECTOR	$164,596	$0	$0	$0	$0	$0	$7,875	$0	$0	$0	$172,471	$0	$0	$0

Supplemental Information Detail SupplementalInformationDetail

Field	Value	IRS element (for citing)
Form And Line Reference	PART I, LINE 7	FormAndLineReferenceDesc
Explanation	MARTIN SEUL WAS PAID NON-FIXED DISCRETIONARY BONUS OF $1,500 IN 2023.	ExplanationTxt

Schedule O IRS990ScheduleO

Supplemental Information Detail SupplementalInformationDetail (7 entries)

Form And Line ReferenceFormAndLineReferenceDesc	ExplanationExplanationTxt
FORM 990, PART VI, SECTION A, LINE 7A	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.
FORM 990, PART VI, SECTION B, LINE 11B	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.
FORM 990, PART VI, SECTION B, LINE 12C	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.
FORM 990, PART VI, SECTION B, LINE 15A	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.
FORM 990, PART VI, SECTION C, LINE 19	GOVERNING DOCUMENTS ARE AVAILABLE AND ARE POSTED ON THE ORGANIZATION'S WEBSITE. CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS ARE AVAILABLE UPON REQUEST.
FORM 990, PART IX, LINE 11G	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.
FORM 990, PART XII, LINE 2C:	THERE HAS NOT BEEN A CHANGE SINCE LAST YEAR. A FINANCE COMMITTEE OVERSEES THE APPROVAL OF THE FINANCIAL STATEMENTT AND FORM 990.