Liabilities / Assets
55th percentile
Higher debt load relative to assets than 55% of similar nonprofits.
Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.
Liabilities / Assets
55th percentile
Higher debt load relative to assets than 55% of similar nonprofits.
Liabilities / Revenue
68th percentile
Higher debt load relative to revenue than 68% of similar nonprofits.
Net Margin
76th percentile
Higher net margin than 76% of similar nonprofits.
Top Officer Pay
39th percentile
Higher top officer pay than 39% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
82nd percentile
Faster asset growth than 82% of similar nonprofits.
Revenue Growth
90th percentile
Faster revenue growth than 90% of similar nonprofits.
Assets
Up$1,367,145
Up $303,960 (+29%) from 2022
Net Assets
Up$1,235,895
Up $208,140 (+20%) from 2022
Liabilities
Up$131,250
Up $95,820 (+270%) from 2022
Revenue
Up$544,511
Up $246,536 (+83%) from 2022
Expenses
Up$425,918
Up $154,771 (+57%) from 2022
Net Income
Up$118,593
Up $91,765 (+342%) from 2022
Protect, preserve and enhance the natural and recreational features of the Assabet, Sudbury and Concord rivers, their tributaries and watersheds.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments in Publicly Traded Securities | $500,206 | $600,815 | ▲ $100,609 |
| Savings and Temporary Cash Investments | $389,627 | $490,763 | ▲ $101,136 |
| Pledges and Grants Receivable | $31,384 | $196,140 | ▲ $164,756 |
| Cash and Non-Interest-Bearing Accounts | $94,114 | $58,034 | ▼ $36,080 |
| Prepaid Expenses and Deferred Charges | $13,144 | $2,750 | ▼ $10,394 |
| Land, Buildings, and Equipment, Net | $2,561 | $2,538 | ▼ $23 |
| Total Assets | $1,063,185 | $1,367,145 | ▲ $303,960 |
| Other Assets Total | $32,149 | $16,105 | ▼ $16,044 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $4,248 | $116,112 | ▲ $111,864 |
| Other Liabilities | $31,182 | $15,138 | ▼ $16,044 |
| Total Liabilities | $35,430 | $131,250 | ▲ $95,820 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $923,640 | $1,031,083 | ▲ $107,443 |
| Net Assets With Donor Restrictions | $104,115 | $204,812 | ▲ $100,697 |
| Total Net Assets Fund Balance | $1,027,755 | $1,235,895 | ▲ $208,140 |
| Total Liabilities and Net Assets / Fund Balance | $1,063,185 | $1,367,145 | ▲ $303,960 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Equipment | $138 | $31,110 | $31,248 |
| Land | $2,400 | - | $2,400 |
| Name | Title |
|---|---|
| Ingeborg Hegemann | President |
| Jeff Collins | Vice President |
| Allan Fierce | Director |
| Bob Brown | Director |
| Don Burn | Director |
| Holly Clack | Director |
| Kirk Doggett | Director |
| Pam Helinek | Director |
| Roger Beatty | Director |
| Pam Rockwell | Clerk |
| Paul Fitzgerald | Treasurer |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $292,405 |
| Other Expenses | $133,513 |
| Total Fundraising Expense | $11,553 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $155,713 | $105,947 | $8,809 | $270,469 |
| Payroll Taxes | $12,933 | $8,281 | $722 | $21,936 |
| All Other Expenses | $12,379 | $2,605 | $1,567 | $16,551 |
| Occupancy | - | $16,234 | - | $16,234 |
| Other Expenses | $12,498 | $9,079 | - | $12,498 |
| Office Expenses | $1,401 | $8,338 | - | $9,739 |
| Fees for Services Accounting | - | $7,065 | - | $7,065 |
| Insurance | - | $3,199 | - | $3,199 |
| Travel | $1,725 | $29 | - | $1,754 |
| Advertising | - | $1,172 | - | $1,172 |
| Fees for Services Management | - | - | $455 | $455 |
| Depreciation Depletion | - | $24 | - | $24 |
| Total Functional Expenses | $252,392 | $161,973 | $11,553 | $425,918 |
| 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 Audited Statements | $0 |
| Total Expenses per Form 990 | $0 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
| Liability | Amount |
|---|---|
| Operating Lease Liabilities | $15,138 |
“A copy of the form 990 is emailed to each director for review before return is filed.”
“The board members are required to complete an annual certification”
“The board of directors annually reviews the salaries for the executive director and key employees. They use outside sources and industry comparisons as benchmarks. All board members are independent.”
“All governing documents are available upon request.”
“Management has not identified any uncertain tax positions and, therefore, no liability has been recorded in the financial statements. Management has determined that there are no material uncertain tax positions as of december 31, 2023. The organization remains subject to examination by major tax jurisdictions for the years ended december 31, 2021 through december 31, 2023, inclusive.”
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 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 4248 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 116112 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | PROTECT, PRESERVE AND ENHANCE THE NATURAL AND RECREATIONAL FEATURES OF THE ASSABET, SUDBURY AND CONCORD RIVERS, THEIR TRIBUTARIES AND WATERSHEDS. |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 1172 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 1172 |
| IRS990/AllOtherContributionsAmt | 0 | 176853 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 1567 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 2605 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 12379 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 16551 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | THE ORGANIZATION |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 9783693956 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 23 BRADFORD ST |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | CONCORD |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 01742 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 94114 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 58034 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 518461 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 26050 |
| IRS990/CYOtherExpensesAmt | 0 | 133513 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 118593 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 292405 |
| IRS990/CYTotalExpensesAmt | 0 | 425918 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 11553 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 544511 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 24 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 24 |
| IRS990/Desc | 0 | WATER QUALITY MONITORING, MEASURING PHYSICAL PARAMETERS ALONG THE RIVERS FOR USE IN EVALUATING WATER POLLUTION; REVIEW OF DEVELOPMENT PROJECTS; PUBLIC OUTREACH TO PROMOTE GOOD STEWARDSHIP OF RIVER RESOURCES. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 104115 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 204812 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 6 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 252392 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 7065 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 7065 |
| IRS990/FeesForServicesManagementGrp/FundraisingAmt | 0 | 455 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 455 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 8 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 9 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 10 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 3.00 |
| 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/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 10 | 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/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | INGEBORG HEGEMANN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | JEFF COLLINS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | PAUL FITZGERALD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | PAM ROCKWELL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | ROGER BEATTY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | BOB BROWN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | DON BURN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | HOLLY CLACK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | KIRK DOGGETT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | ALLAN FIERCE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | PAM HELINEK |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 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/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | CLERK |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1987 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedInd | 0 | 0 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 11 |
| IRS990/GovernmentGrantsAmt | 0 | 341608 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 544511 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 11 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 3199 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 3199 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 26050 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 26050 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 500206 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 600815 |
| IRS990/IRPDocumentCnt | 0 | 3 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 31110 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 2561 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 2538 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 33648 |
| IRS990/LegalDomicileStateCd | 0 | MA |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | PROTECT, PRESERVE AND ENHANCE THE NATURAL AND RECREATIONAL FEATURES OF THE ASSABET, SUDBURY AND CONCORD RIVERS, THEIR TRIBUTARIES AND WATERSHEDS. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 1027755 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 1235895 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 89548 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 923640 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 1031083 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 16234 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 16234 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 8338 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 1401 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 9739 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 32149 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 16105 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/Desc | 0 | WATER QUALITY EXPENSES |
| IRS990/OtherExpensesGrp/Desc | 1 | SERVICE FEES |
| IRS990/OtherExpensesGrp/Desc | 2 | COMPUTER EXPENSE |
| IRS990/OtherExpensesGrp/Desc | 3 | WEBSITE DEVELOPMENT |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 9079 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 33792 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 17991 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 3960 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 12498 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 33792 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 17991 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 13039 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 12498 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 31182 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 15138 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 8809 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 105947 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 155713 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 270469 |
| IRS990/OtherWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 722 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 8281 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 12933 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 21936 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 31384 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 196140 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 13144 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 2750 |
| IRS990/PrincipalOfficerNm | 0 | PAUL FITZGERALD |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 270793 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 27182 |
| IRS990/PYOtherExpensesAmt | 0 | 104446 |
| IRS990/PYOtherRevenueAmt | 0 | 0 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 26828 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 166701 |
| IRS990/PYTotalExpensesAmt | 0 | 271147 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 297975 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 118593 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 1 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 389627 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 490763 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 348461 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 297975 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 312003 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 257314 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 211166 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 1426919 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 26050 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 14418 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 10976 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 14980 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 16790 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 83214 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.94490 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.95110 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 1426919 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 348461 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 297975 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 312003 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 257314 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 211166 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 1426919 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 1510133 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | 1 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 138 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 31110 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 31248 |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 0 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/LandGrp/BookValueAmt | 0 | 2400 |
| IRS990ScheduleD/LandGrp/OtherCostOrOtherBasisAmt | 0 | 2400 |
| IRS990ScheduleD/NetUnrealizedGainsInvstAmt | 0 | 89548 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 15138 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | OPERATING LEASE LIABILITIES |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | 89548 |
| IRS990ScheduleD/RevenueNotReportedFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 544511 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | MANAGEMENT HAS NOT IDENTIFIED ANY UNCERTAIN TAX POSITIONS AND, THEREFORE, NO LIABILITY HAS BEEN RECORDED IN THE FINANCIAL STATEMENTS. MANAGEMENT HAS DETERMINED THAT THERE ARE NO MATERIAL UNCERTAIN TAX POSITIONS AS OF DECEMBER 31, 2023. THE ORGANIZATION REMAINS SUBJECT TO EXAMINATION BY MAJOR TAX JURISDICTIONS FOR THE YEARS ENDED DECEMBER 31, 2021 THROUGH DECEMBER 31, 2023, INCLUSIVE. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART X, LINE 2: |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 2538 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 0 |
| IRS990ScheduleD/TotalLiabilityAmt | 0 | 15138 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 544511 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 634059 |
| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 0 |
| IRS990/ScheduleJRequiredInd | 0 | 0 |
| IRS990/ScheduleORequiredInd | 0 | 1 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | A COPY OF THE FORM 990 IS EMAILED TO EACH DIRECTOR FOR REVIEW BEFORE RETURN IS FILED. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | THE BOARD MEMBERS ARE REQUIRED TO COMPLETE AN ANNUAL CERTIFICATION |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | THE BOARD OF DIRECTORS ANNUALLY REVIEWS THE SALARIES FOR THE EXECUTIVE DIRECTOR AND KEY EMPLOYEES. THEY USE OUTSIDE SOURCES AND INDUSTRY COMPARISONS AS BENCHMARKS. ALL BOARD MEMBERS ARE INDEPENDENT. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | ALL GOVERNING DOCUMENTS ARE AVAILABLE UPON REQUEST. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PART VI, SECTION B, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PART VI, SECTION B, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PART VI, SECTION B, LINE 15 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PART VI, SECTION C, LINE 19 |
| IRS990/SchoolOperatingInd | 0 | 0 |
| IRS990/SignificantChangeInd | 0 | 0 |
| IRS990/SignificantNewProgramSrvcInd | 0 | 0 |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | MA |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | 0 |
| IRS990/SubjectToProxyTaxInd | 0 | 0 |
| IRS990/SubjToTaxRmnrtnExPrchtPymtInd | 0 | 0 |
| IRS990/TaxablePartyNotificationInd | 0 | 0 |
| IRS990/TaxExemptBondsInd | 0 | 0 |
| IRS990/TerminateOperationsInd | 0 | 0 |
| IRS990/TotalAssetsBOYAmt | 0 | 1063185 |
| IRS990/TotalAssetsEOYAmt | 0 | 1367145 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 1063185 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 1367145 |
| IRS990/TotalCompGreaterThan150KInd | 0 | 0 |
| IRS990/TotalContributionsAmt | 0 | 518461 |
| IRS990/TotalEmployeeCnt | 0 | 6 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 11553 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 161973 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 252392 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 425918 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 35430 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 131250 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 35430 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 131250 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 1027755 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 1235895 |
| IRS990/TotalOtherCompensationAmt | 0 | 0 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 252392 |
| IRS990/TotalReportableCompFromOrgAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 26050 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 544511 |
| IRS990/TotalRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/TotalVolunteersCnt | 0 | 200 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 1063185 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 1367145 |
| IRS990/TotReportableCompRltdOrgAmt | 0 | 0 |
| IRS990/TravelGrp/ManagementAndGeneralAmt | 0 | 29 |
| IRS990/TravelGrp/ProgramServicesAmt | 0 | 1725 |
| IRS990/TravelGrp/TotalAmt | 0 | 1754 |
| IRS990/TrnsfrExmptNonChrtblRltdOrgInd | 0 | 0 |
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Displayed year
2023 • Form 990Detailed filing. Detailed filing data is available for this year.