Liabilities / Assets
98th percentile
Higher debt load relative to assets than 98% of similar nonprofits.
EIN 74-2659159 • 501(c)3 • Austin, TX
Profile
Our mission is to educate and advocate on behalf of the Edwards Aquifer and the natural heritage of the Hill Country region and its watersheds with special emphasis on Barton Springs.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
98th percentile
Higher debt load relative to assets than 98% of similar nonprofits.
Liabilities / Revenue
84th percentile
Higher debt load relative to revenue than 84% of similar nonprofits.
Net Margin
23rd percentile
Higher net margin than 23% of similar nonprofits.
Top Officer Pay
Score unavailable
No filing with officer rows is available for this organization yet.
Asset Growth
6th percentile
Faster asset growth than 6% of similar nonprofits.
Revenue Growth
83rd percentile
Faster revenue growth than 83% of similar nonprofits.
Assets
Down$403,225
Down $151,248 (-27%) from 2023
Liabilities
Down$760,008
Down $26,984 (-3.4%) from 2023
Net Assets
Down-$356,783
Down $124,264 (-53%) from 2023
Revenue
Up$1,170,900
Up $357,819 (+44%) from 2023
Expenses
Up$1,277,941
Up $345,759 (+37%) from 2023
Net Income
Up-$107,041
Up $12,060 (+10%) from 2023
Most recent year
2024 • Form 990Detailed filing. Detailed filing data is available for this year.
Our mission is to educate and advocate on behalf of the Edwards Aquifer and the natural heritage of the Hill Country region and its watersheds with special emphasis on Barton Springs.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Cash and Non-Interest-Bearing Accounts | $554,473 | $360,225 | ▼ $194,248 |
| Land, Buildings, and Equipment, Net | $0 | $43,000 | ▲ $43,000 |
| Total Assets | $554,473 | $403,225 | ▼ $151,248 |
| Liabilities | |||
| Other Liabilities | $327,508 | $327,508 | → $0 |
| Mortgage Notes Payable Secured by Investment Property | $175,000 | $175,000 | → $0 |
| Accounts Payable and Accrued Expenses | $184,484 | $157,500 | ▼ $26,984 |
| Unsecured Notes Loans Payable | $100,000 | $100,000 | → $0 |
| Total Liabilities | $786,992 | $760,008 | ▼ $26,984 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $-328,519 | $-500,666 | ▼ $172,147 |
| Total Net Assets Fund Balance | $-232,519 | $-356,783 | ▼ $124,264 |
| Total Liabilities and Net Assets / Fund Balance | $554,473 | $403,225 | ▼ $151,248 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Other Land Buildings | $43,000 | $0 | $43,000 |
| Buildings | $0 | - | - |
| Land | $0 | - | - |
| Equipment | $0 | - | - |
| Leasehold Improvements | $0 | - | - |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2024 | - | - | - | - | $0 |
| 2023 | - | - | - | - | $0 |
| 2022 | - | - | - | - | $0 |
| 2021 | - | - | - | - | $0 |
| 2020 | - | - | - | - | $0 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Bill Bunch | Executive Director | FT | $125,000 | $25,964 | $150,964 |
| Name | Title |
|---|---|
| Tracey Whitley | Chair |
| John Barkley | Vice-Chair |
| Alissa Sherry | Member |
| Ben Livingston | Member |
| Roy Waley | Member |
| Lauren Ice | Secretary |
| Erin Hamilton | Treasurer |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $732,630 |
| Other Expenses | $519,864 |
| Total Fundraising Expense | $105,141 |
| Grants and Similar Amounts Paid | $25,447 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $367,457 | $44,812 | $35,850 | $448,119 |
| Fees for Services Other | $151,455 | $18,472 | $14,773 | $184,700 |
| Payroll Taxes | $133,505 | $16,281 | $13,025 | $162,811 |
| Occupancy | $73,508 | $8,964 | $7,172 | $89,644 |
| Other Employee Benefits | $57,821 | $7,052 | $5,641 | $70,514 |
| Pension Plan Contributions | $41,973 | $5,119 | $4,094 | $51,186 |
| Information Technology | $30,695 | $3,743 | $2,995 | $37,433 |
| Fees for Services Legal | $28,616 | $3,490 | $2,792 | $34,898 |
| Fees for Services Accounting | $24,219 | $2,954 | $2,362 | $29,535 |
| Grants to Domestic Orgs | $25,447 | - | - | $25,447 |
| Office Expenses | $19,173 | $2,338 | $1,871 | $23,382 |
| Advertising | $17,286 | $2,108 | $1,687 | $21,081 |
| Insurance | $4,758 | $580 | $465 | $5,803 |
| Travel | $3,415 | $417 | $333 | $4,165 |
| Other Expenses | $2,615 | $319 | $255 | $3,189 |
| Conferences and Meetings | $2,402 | $293 | $234 | $2,929 |
| All Other Expenses | $62 | $7 | $6 | $75 |
| Total Functional Expenses | $1,048,085 | $124,715 | $105,141 | $1,277,941 |
| Line Item | Amount |
|---|---|
| Expenses Not Reported on Financial Statements | $0 |
| Expenses Not Reported on Form 990 | $0 |
| Expenses per Audited Statements | $0 |
| Total Expenses per Form 990 | $0 |
| Line Item | Amount |
|---|---|
| Fundraising Gross Income | $60,082 |
| Fundraising Direct Expenses | $31,695 |
| Professional Fundraising Fees | $0 |
| Event | Gross Receipts | Gross Revenue | Direct Expenses | Net Income |
|---|---|---|---|---|
| Holiday Event | $46,372 | $46,372 | $4,476 | $41,896 |
| Day of Dead | $13,710 | $13,710 | $2,299 | $11,411 |
| Total Events | $60,082 | $60,082 | $31,695 | $28,387 |
| Liability | Amount |
|---|---|
| Contingencies | $327,508 |
“SOS has due paying members but they do not elect the Board or govern the Organization”
“SOS Executive Director and Managing Director meet with the Board Chair and Treasurer to review the Form 990 and any other financial matters that arise. The entire Board is provided a copy of the Form 990 when finalized.”
“SOS provides the entire Board with the policy at the December board meeting each year. The policy is reviewed and discussed and all Board and staff sign it.”
“Compensation of the Executive Director is decided by the Board. The Executive Director sets management and staff salaries”
“Governing documents, conflict of interest policy, and financial statements are made available to the public upon request during regular business hours.”
“Written policies regarding the periodic monitoring, inspection, handling violations and enforcement of conservation easements are maintained.”
“The conservation easement is not recorded in our financial statement because it has not been valued.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
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| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 157500 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | Our mission is to educate and advocate on behalf of the Edwards Aquifer and the natural heritage of the Hill Country region and its watersheds with special emphasis on Barton Springs. |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 1687 |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 2108 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 17286 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 21081 |
| IRS990/AllOtherContributionsAmt | 0 | 1044536 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 6 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 7 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 62 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 75 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | false |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | Pat Brodnax |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 5124772320 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 3201 Menchaca |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Austin |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | TX |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 78704 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 554473 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 360225 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConferencesMeetingsGrp/FundraisingAmt | 0 | 234 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 293 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 2402 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 2929 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | true |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/ContriRptFundraisingEventAmt | 0 | 2128 |
| IRS990/CostOfGoodsSoldAmt | 0 | 31579 |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 1055270 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 25447 |
| IRS990/CYInvestmentIncomeAmt | 0 | 0 |
| IRS990/CYOtherExpensesAmt | 0 | 519864 |
| IRS990/CYOtherRevenueAmt | 0 | 28448 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 87182 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -107041 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 732630 |
| IRS990/CYTotalExpensesAmt | 0 | 1277941 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 105141 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 1170900 |
| IRS990/DAFExcessBusinessHoldingsInd | 0 | false |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 0 |
| IRS990/Desc | 0 | In 2024, Central Texas faced soaring temperatures and severe drought, drying up springs and river flows. In furtherance of its mission to protect the flows of the Edwards Aquifer, its springs and contributing streams, SOS worked to educate the public about water conservation, to oppose new pumping permits, and to support public purchase and defense against takings of key water quality protection lands. SOS expanded its program to bring people into nature with outdoor educational outings and hosted Barton Springs University Day at Barton Springs, attended by 1,000 high school students and a few hundred others. We partnered with Save the Pedernales to protect Hamilton Pool Preserve, Roy Creek Canyon, and the Pedernales River from pumping and development, and we helped advance scientific research and provided legal support to protect spring-dependent endangered species in the Blanco, Pedernales, and Barton Springs watersheds. Our legal staff continued representing SOS members and other conservation groups in administrative and court proceedings to protect the endangered Golden-cheeked warbler and other wildlife, to keep treated sewage and urban runoff out of our Central Texas streams and aquifers, and to reduce harm to public health and the environment from the proposed expansions of Interstate 35, Mopac South/Loop 1, and other proposed highway and major road projects. We also expanded our litigation efforts to address functional local democracy necessary to protect our natural and cultural heritage and engage citizen participation, with key court successes under the Texas Open Meetings Act and Texas Public Information Act. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DistributionToDonorInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 8 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/EscrowAccountInd | 0 | false |
| IRS990/ExcsTaxSect4951Or4952Or4953Ind | 0 | false |
| IRS990/ExpenseAmt | 0 | 1048085 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditPerformedInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FederatedCampaignsAmt | 0 | 8606 |
| IRS990/FeesForServicesAccountingGrp/FundraisingAmt | 0 | 2362 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 2954 |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 24219 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 29535 |
| IRS990/FeesForServicesLegalGrp/FundraisingAmt | 0 | 2792 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 3490 |
| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 28616 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 34898 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 14773 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 18472 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 151455 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 184700 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
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| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
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| IRS990/Form8899Filedind | 0 | false |
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| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 3 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 2 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 3 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 2 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 3 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 2 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 50 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
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| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
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| 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/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 15364 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | John Barkley |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Lauren Ice |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Alissa Sherry |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Erin Hamilton |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Ben Livingston |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Tracey Whitley |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Roy Waley |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | Bill Bunch |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
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| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | Vice-Chair |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Chair |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | Executive Director |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
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| IRS990/FormationYr | 0 | 1992 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
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| IRS990/FundraisingActivitiesInd | 0 | true |
| IRS990/FundraisingAmt | 0 | 2128 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 31695 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 60082 |
| IRS990/GainOrLossGrp/OtherAmt | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 8 |
| IRS990/GrantAmt | 0 | 25447 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 25447 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 25447 |
| IRS990/GrantsToIndividualsInd | 0 | false |
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| IRS990/GrossSalesOfInventoryAmt | 0 | 26370 |
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| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 7 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 2995 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 3743 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 30695 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 37433 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 465 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 580 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 4758 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 5803 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestTaxExemptBondsInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 60 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 0 |
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| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 43000 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 43000 |
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| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | true |
| 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 | Our mission is to educate and advocate on behalf of the Edwards Aquifer and the natural heritage of the Hill Country region and its watersheds with special emphasis on Barton Springs. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 175000 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 175000 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | -232519 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | -356783 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncmFromFundraisingEvtGrp/ExclusionAmt | 0 | 28387 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 28387 |
| IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeOrLossGrp/ExclusionAmt | 0 | -5209 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | -5209 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
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| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | -500666 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/NondeductibleContriDisclInd | 0 | false |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 7172 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 8964 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 73508 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 89644 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 1871 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 2338 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 19173 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 23382 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OnBehalfOfIssuerInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OrgFiledInLieuOfForm1041Ind | 0 | false |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 5641 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 7052 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 57821 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 70514 |
| IRS990/OtherExpensesGrp/Desc | 0 | Fundraising Costs |
| IRS990/OtherExpensesGrp/Desc | 1 | Outreach & Education |
| IRS990/OtherExpensesGrp/Desc | 2 | Legal Expenses |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 5374 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 6212 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 2 | 255 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 7766 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 319 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 63678 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 2615 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 5374 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 77656 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 3189 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 327508 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 327508 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | Attorneys Fees |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 0 | 5270 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 5270 |
| IRS990/OtherRevenueTotalAmt | 0 | 5270 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 35850 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 44812 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 367457 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 448119 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 13025 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 16281 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 133505 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 162811 |
| IRS990/PensionPlanContributionsGrp/FundraisingAmt | 0 | 4094 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 5119 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 41973 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 51186 |
| IRS990/PoliciesReferenceChaptersInd | 0 | false |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrincipalOfcrBusinessName/BusinessNameLine1Txt | 0 | Bill Bunch |
| IRS990/PriorPeriodAdjustmentsAmt | 0 | -17223 |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | Barton Springs University |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | Eco-tours |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 83719 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 3463 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 83719 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 3463 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 706297 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 0 |
| IRS990/PYOtherExpensesAmt | 0 | 359458 |
| IRS990/PYOtherRevenueAmt | 0 | 59466 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 47318 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -119101 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 572724 |
| IRS990/PYTotalExpensesAmt | 0 | 932182 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 813081 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/QuidProQuoContriDisclInd | 0 | false |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -107041 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/RentalIncomeOrLossGrp/PersonalAmt | 0 | 0 |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | true |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 87182 |
| IRS990ScheduleA/DistributableAmountGrp/CYAdjNetIncomeDistributableAmt | 0 | 0 |
| IRS990ScheduleA/DistributableAmountGrp/CYDistributableAsAdjustedAmt | 0 | 0 |
| IRS990ScheduleA/DistributableAmountGrp/CYGreaterAdjustedMinimumAmt | 0 | 0 |
| IRS990ScheduleA/DistributableAmountGrp/CYIncomeTaxImposedPYAmt | 0 | 0 |
| IRS990ScheduleA/DistributableAmountGrp/CYPct85AdjustedNetIncomeAmt | 0 | 0 |
| IRS990ScheduleA/DistributableAmountGrp/CYTotalMinAstDistributableAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/CarryoverPYNotAppliedAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/CYDistriAppDistributableAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/CYDistribAppUnderdistriPYAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/CYDistributableAsAdjustedAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/CyovAppliedUnderdistrCPYAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/CyovAppliedUnderdistriPYAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/CYTotalAnnualDistributionsAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessDistributionAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessDistributionCyovAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessDistributionCyovYr1Amt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessDistributionCyovYr2Amt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessDistributionCyovYr3Amt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessDistributionCyovYr4Amt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessDistributionCyovYr5Amt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessDistriCyovToNextYrAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessFromYear1Amt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessFromYear2Amt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessFromYear3Amt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessFromYear4Amt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/ExcessFromYear5Amt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/RemainingUnderdistriCYAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/RemainingUnderdistriPYAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/TotalExcessDistributionCyovAmt | 0 | 0 |
| IRS990ScheduleA/DistributionAllocationsGrp/UnderdistributionsAmt | 0 | 0 |
| IRS990ScheduleA/DistributionsGrp/CYAdministrativeExpensePaidAmt | 0 | 0 |
| IRS990ScheduleA/DistributionsGrp/CYDistriAttentiveSuprtOrgAmt | 0 | 0 |
| IRS990ScheduleA/DistributionsGrp/CYDistributableAsAdjustedAmt | 0 | 0 |
| IRS990ScheduleA/DistributionsGrp/CYDistributionYrRt | 0 | 0 |
| IRS990ScheduleA/DistributionsGrp/CYOtherDistributionsAmt | 0 | 0 |
| IRS990ScheduleA/DistributionsGrp/CYPaidAccomplishExemptPrpsAmt | 0 | 0 |
| IRS990ScheduleA/DistributionsGrp/CYPdInExcessIncomeActivityAmt | 0 | 0 |
| IRS990ScheduleA/DistributionsGrp/CYTotalAnnualDistributionsAmt | 0 | 0 |
| IRS990ScheduleA/DistributionsGrp/ExemptUseAssetsAcquisPaidAmt | 0 | 0 |
| IRS990ScheduleA/DistributionsGrp/QualifiedSetAsideAmt | 0 | 0 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 1055270 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 706297 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 916429 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 707788 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 593079 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 3978863 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt | 0 | 211642 |
| IRS990ScheduleA/MinimumAssetAmountGrp/AcquisitionIndebtednessGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/MinimumAssetAmountGrp/AdjustedFMVLessIndebtednessGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/MinimumAssetAmountGrp/AverageMonthlyCashBalancesGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/MinimumAssetAmountGrp/AverageMonthlyFMVOfSecGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/MinimumAssetAmountGrp/CashDeemedCharitableGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/MinimumAssetAmountGrp/DiscountClaimedAmt | 0 | 0 |
| IRS990ScheduleA/MinimumAssetAmountGrp/FMVOtherNonExemptUseAssetGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/MinimumAssetAmountGrp/NetVlNonExemptUseAssetsGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/MinimumAssetAmountGrp/PctOfNetVlNonExemptUseAstGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/MinimumAssetAmountGrp/RecoveriesPYDistriMinAssetGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/MinimumAssetAmountGrp/TotalFMVOfNonExemptUseAssetGrp/CurrentYearAmt | 0 | 0 |
| IRS990ScheduleA/MinimumAssetAmountGrp/TotalFMVOfNonExemptUseAssetGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/MinimumAssetAmountGrp/TotalMinimumAssetGrp/PriorYearAmt | 0 | 0 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearAmt | 0 | 5270 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 3200 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 23590 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 27382 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 1800 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | 61242 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.55400 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.61530 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 2238073 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 1740790 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 1055270 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 706297 |
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