Liabilities / Assets
59th percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 86-0851827 • 501(c)3 • Reno, NV
Profile
To preserve and enhance the ecological, natural, scenic, historic and/or recreational values of important land and waters resources primarily in the great basin areas of the united states.
Refreshing map…
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
59th percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
61st percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
21st percentile
Higher net margin than 21% of similar nonprofits.
Top Officer Pay
99th percentile
Higher top officer pay than 99% of similar nonprofits.
Top officer pay equals 44.6% of source-year revenue.
Asset Growth
33rd percentile
Faster asset growth than 33% of similar nonprofits.
Revenue Growth
8th percentile
Faster revenue growth than 8% of similar nonprofits.
Assets
Down$393,608
Down $171,927 (-30%) from 2023
Liabilities
Down$0
Down $14,953 (-100%) from 2023
Net Assets
Down$393,608
Down $156,974 (-29%) from 2023
Revenue
Down$182,375
Down $5,556,668 (-97%) from 2023
Expenses
Down$225,630
Down $5,538,439 (-96%) from 2023
Net Income
Down-$43,255
Down $18,229 (-73%) from 2023
Most recent year
2025 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
To preserve and enhance the ecological, natural, scenic, historic and/or recreational values of important land and waters resources primarily in the great basin areas of the united states.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Rtn Earn Endowment Incm Other Fnds | $436,118 | $393,608 | ▼ $42,510 |
| Savings and Temporary Cash Investments | $390,302 | $356,882 | ▼ $33,420 |
| Pledges and Grants Receivable | $30,483 | $17,014 | ▼ $13,469 |
| Cash and Non-Interest-Bearing Accounts | $27,609 | $16,202 | ▼ $11,407 |
| Prepaid Expenses and Deferred Charges | $4,300 | $2,283 | ▼ $2,017 |
| Land, Buildings, and Equipment, Net | $804 | $1,227 | ▲ $423 |
| Total Assets | $453,498 | $393,608 | ▼ $59,890 |
| Liabilities | |||
| Other Liabilities | $15,274 | - | - |
| Accounts Payable and Accrued Expenses | $2,106 | - | - |
| Total Liabilities | $17,380 | $0 | ▼ $17,380 |
| Net Assets / Fund Balance | |||
| Total Net Assets Fund Balance | $436,118 | $393,608 | ▼ $42,510 |
| Total Liabilities and Net Assets / Fund Balance | $453,498 | $393,608 | ▼ $59,890 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Other Land Buildings | $1,227 | $3,383 | $4,610 |
| Name | Title | Full / Part Time | Base | Total |
|---|---|---|---|---|
| Nancy Shanahan | Secretary/co | PT | $81,315 | $81,315 |
| Aaron Peskin | President | PT | $42,698 | $42,698 |
| Name | Title |
|---|---|
| Graham Chisholm | Board Member |
| Peggy Twedt | Board Member |
| Susan Lynn | Treasurer |
| Bill Isaeff | Vice Preside |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $154,126 |
| Other Expenses | $71,004 |
| Grants and Similar Amounts Paid | $500 |
| Professional Fundraising Fees | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Current Officers, Directors, Trustees, and Key Employees | $111,922 | $12,091 | - | $124,013 |
| Fees for Services Other | $40,483 | - | - | $40,483 |
| Other Salaries and Wages | $13,970 | $4,362 | - | $18,332 |
| Payroll Taxes | $9,669 | $1,290 | - | $10,959 |
| Occupancy | - | $7,807 | - | $7,807 |
| Fees for Services Accounting | - | $5,400 | - | $5,400 |
| Insurance | - | $4,186 | - | $4,186 |
| Office Expenses | $873 | $1,985 | - | $2,858 |
| Travel | $387 | $1,064 | - | $1,451 |
| Depreciation Depletion | $1,106 | - | - | $1,106 |
| Other Employee Benefits | - | $822 | - | $822 |
| Grants to Domestic Orgs | $500 | - | - | $500 |
| Advertising | - | $326 | - | $326 |
| Other Expenses | $1,090 | $153 | - | $153 |
| Total Functional Expenses | $181,900 | $43,730 | $0 | $225,630 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“Aaron peskin nancy shanahan president sec/counsel spouse”
“The organization's form 990 is reviewed by the president, treasurer and general counsel before filing.”
“Conflict of interest disclosure forms are completed and signed by each board member, officer and employee annually.”
“Non-interested members of the board conduct a salary survey of other similar non-profit staff. After discussion of the salary survey the board determines the compensation of the executive director.”
“Non-interested members of the board conduct a salary survey of other similar non-profit staff. After discussion of the salary survey the board determines the compensation of staff.”
“Upon written request the organization will provide a copy of its governing documents, conflict of interest policy and financial statements by mail or for pick up.”
“Aaron peskin and nancy shanahan are paid for their work as employees of great basin land and water independent from their duties as president and secretary of the organization. None of the board, officers or directors receive compensation for said positions or duties.”
“Other professional services 40,483 0 0”
“Book / tax depreciation difference 745”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 2106 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | TO PRESERVE AND ENHANCE THE ECOLOGICAL, NATURAL, SCENIC, HISTORIC AND/OR RECREATIONAL VALUES OF IMPORTANT LAND AND WATERS RESOURCES PRIMARILY IN THE GREAT BASIN AREAS OF THE UNITED STATES. |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 326 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 326 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | AARON PESKIN |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 4159867014 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 470 COLUMBUS AVE 211 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | SAN FRANCISCO |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 94133 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 27609 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 16202 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 12091 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 111922 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 124013 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | true |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 0 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 500 |
| IRS990/CYInvestmentIncomeAmt | 0 | 12807 |
| IRS990/CYOtherExpensesAmt | 0 | 71004 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 169568 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -43255 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 154126 |
| IRS990/CYTotalExpensesAmt | 0 | 225630 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 182375 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 1106 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 1106 |
| IRS990/Desc | 0 | TO PURCHASE AND TRANSFER LAND AND WATER RIGHTS ON WESTERN RIVERS AND DESERT LAKES. INCLUDING THE TRUCKEE RIVER AND PYRAMID AND SUMMIT LAKES. RESIDENTS, VISITORS AND NATURAL RESOURCES OF THE GREAT BASIN AREAS OF THE UNITED STATES BENEFIT BY THESE AQUISITIONS AND TRANSFERS. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 3 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 181900 |
| IRS990/FamilyOrBusinessRlnInd | 0 | true |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 5400 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 5400 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 40483 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 40483 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 11.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 8.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | NANCY SHANAHAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | AARON PESKIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | GRAHAM CHISHOLM |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | BILL ISAEFF |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | SUSAN LYNN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | PEGGY TWEDT |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 81315 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 42698 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | SECRETARY/CO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | VICE PRESIDE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | BOARD MEMBER |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | false |
| IRS990/FormationYr | 0 | 1997 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 5 |
| IRS990/GrantAmt | 0 | 500 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 500 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 500 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 182375 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 4 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 4186 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 4186 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 12807 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 12807 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 4 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 3383 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 804 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 1227 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 4610 |
| IRS990/LegalDomicileStateCd | 0 | NV |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | TO PRESERVE AND ENHANCE THE ECOLOGICAL, NATURAL, SCENIC, HISTORIC AND/OR RECREATIONAL VALUES OF IMPORTANT LAND AND WATERS RESOURCES PRIMARILY IN THE GREAT BASIN AREAS OF THE UNITED STATES. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 436118 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 393608 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 7807 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 7807 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 1985 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 873 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 2858 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrgDoesNotFollowFASB117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 745 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 822 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 822 |
| IRS990/OtherExpensesGrp/Desc | 0 | COMMUNICATIONS |
| IRS990/OtherExpensesGrp/Desc | 1 | ACQUISITIONS & OPTIONS |
| IRS990/OtherExpensesGrp/Desc | 2 | FILING & OTHER FEES |
| IRS990/OtherExpensesGrp/Desc | 3 | BANK SERVICE CHARGES |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 4064 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 180 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 153 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 1900 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 1090 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 4064 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 1900 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 1270 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 153 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 15274 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 4362 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 13970 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 18332 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 1290 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 9669 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 10959 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 30483 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 17014 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 4300 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 2283 |
| IRS990/PrincipalOfficerNm | 0 | AARON PESKIN |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | WATER RIGHTS & ACQUISITIONS |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 169568 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 169568 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 15050 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 500 |
| IRS990/PYInvestmentIncomeAmt | 0 | 19090 |
| IRS990/PYOtherExpensesAmt | 0 | 369935 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 399490 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -114464 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 177659 |
| IRS990/PYTotalExpensesAmt | 0 | 548094 |
| IRS990/PYTotalRevenueAmt | 0 | 433630 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -43255 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 169568 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/BOYAmt | 0 | 436118 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/EOYAmt | 0 | 393608 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 390302 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 356882 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 15050 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 5699325 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 1547419 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 755158 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 8016952 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 12807 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 19090 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 12542 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 3231 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 990 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 48660 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 169568 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 399490 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt | 0 | 27176 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 596234 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 12807 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt | 0 | 19090 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 12542 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus3YearsAmt | 0 | 3231 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus4YearsAmt | 0 | 990 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 48660 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.01000 |
| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.00000 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.99440 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 0.99570 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 8613186 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 169568 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 414540 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 5726501 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 1547419 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 755158 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 8613186 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 182375 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 433630 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 5739043 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 1550650 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 756148 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 8661846 |
| IRS990/ScheduleBRequiredInd | 0 | false |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 1227 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 3383 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 4610 |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 1227 |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | AARON PESKIN NANCY SHANAHAN PRESIDENT SEC/COUNSEL SPOUSE |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | THE ORGANIZATION'S FORM 990 IS REVIEWED BY THE PRESIDENT, TREASURER AND GENERAL COUNSEL BEFORE FILING. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | CONFLICT OF INTEREST DISCLOSURE FORMS ARE COMPLETED AND SIGNED BY EACH BOARD MEMBER, OFFICER AND EMPLOYEE ANNUALLY. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | NON-INTERESTED MEMBERS OF THE BOARD CONDUCT A SALARY SURVEY OF OTHER SIMILAR NON-PROFIT STAFF. AFTER DISCUSSION OF THE SALARY SURVEY THE BOARD DETERMINES THE COMPENSATION OF THE EXECUTIVE DIRECTOR. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | NON-INTERESTED MEMBERS OF THE BOARD CONDUCT A SALARY SURVEY OF OTHER SIMILAR NON-PROFIT STAFF. AFTER DISCUSSION OF THE SALARY SURVEY THE BOARD DETERMINES THE COMPENSATION OF STAFF. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | UPON WRITTEN REQUEST THE ORGANIZATION WILL PROVIDE A COPY OF ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS BY MAIL OR FOR PICK UP. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 6 | AARON PESKIN AND NANCY SHANAHAN ARE PAID FOR THEIR WORK AS EMPLOYEES OF GREAT BASIN LAND AND WATER INDEPENDENT FROM THEIR DUTIES AS PRESIDENT AND SECRETARY OF THE ORGANIZATION. NONE OF THE BOARD, OFFICERS OR DIRECTORS RECEIVE COMPENSATION FOR SAID POSITIONS OR DUTIES. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 7 | OTHER PROFESSIONAL SERVICES 40,483 0 0 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 8 | BOOK / TAX DEPRECIATION DIFFERENCE 745 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PAGE 6, PART VI, LINE 2 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PAGE 6, PART VI, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PAGE 6, PART VI, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PAGE 6, PART VI, LINE 15A |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PAGE 6, PART VI, LINE 15B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | FORM 990, PAGE 6, PART VI, LINE 19 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 6 | FORM 990, PART VII |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 7 | FORM 990, PART IX, LINE 11G |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 8 | FORM 990, PART XI, LINE 9 |
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| IRS990/SignificantChangeInd | 0 | false |
| IRS990/SignificantNewProgramSrvcInd | 0 | false |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | false |
| IRS990/SubjectToProxyTaxInd | 0 | false |
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| IRS990/TaxablePartyNotificationInd | 0 | false |
| IRS990/TaxExemptBondsInd | 0 | false |
| IRS990/TerminateOperationsInd | 0 | false |
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| IRS990/TotalAssetsEOYAmt | 0 | 393608 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 453498 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 393608 |
| IRS990/TotalCompGreaterThan150KInd | 0 | false |
| IRS990/TotalEmployeeCnt | 0 | 3 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 43730 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 181900 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 225630 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 17380 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 17380 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 436118 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 393608 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 181900 |
| IRS990/TotalProgramServiceRevenueAmt | 0 | 169568 |
| IRS990/TotalReportableCompFromOrgAmt | 0 | 124013 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 12807 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 169568 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 182375 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 453498 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 393608 |
| IRS990/TravelGrp/ManagementAndGeneralAmt | 0 | 1064 |
| IRS990/TravelGrp/ProgramServicesAmt | 0 | 387 |
| IRS990/TravelGrp/TotalAmt | 0 | 1451 |
| IRS990/TrnsfrExmptNonChrtblRltdOrgInd | 0 | false |
| IRS990/TypeOfOrganizationCorpInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | false |
| IRS990/UponRequestInd | 0 | X |
| IRS990/USAddress/AddressLine1Txt | 0 | 470 COLUMBUS AVE 211 |
| IRS990/USAddress/CityNm | 0 | SAN FRANCISCO |
| IRS990/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/USAddress/ZIPCd | 0 | 94133 |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 5 |
| IRS990/VotingMembersIndependentCnt | 0 | 4 |
| IRS990/WebsiteAddressTxt | 0 | WWW.GREATBASINLANDANDWATER.ORG |
| IRS990/WhistleblowerPolicyInd | 0 | false |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | AARON PESKIN |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | PRESIDENT |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 4159867014 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2026-02-08 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | GREAT BASIN LAND AND WATER |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | GREA |
| ReturnHeader/Filer/EIN | 0 | 860851827 |
| ReturnHeader/Filer/PhoneNum | 0 | 4159867014 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 130 CLIFF VIEW DR |
| ReturnHeader/Filer/USAddress/CityNm | 0 | RENO |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | NV |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 89523 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 471931519 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | JANET COONRAD CPA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 130 CLIFF VIEW DR |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | RENO |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | NV |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 895239624 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 7753450265 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2026-02-09 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | JANET COONRAD |
| ReturnHeader/PreparerPersonGrp/SelfEmployedInd | 0 | X |
| ReturnHeader/ReturnTs | 0 | 2026-02-09T17:00:19-05:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2025-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-12-31 |
| ReturnHeader/TaxYr | 0 | 2025 |
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