Liabilities / Assets
35th percentile
Higher debt load relative to assets than 35% of similar nonprofits.
990 • Fiscal year 2020 • EIN 20-1941686
Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.
Liabilities / Assets
35th percentile
Higher debt load relative to assets than 35% of similar nonprofits.
Liabilities / Revenue
42nd percentile
Higher debt load relative to revenue than 42% of similar nonprofits.
Net Margin
78th percentile
Higher net margin than 78% of similar nonprofits.
Top Officer Pay
84th percentile
Higher top officer pay than 84% of similar nonprofits.
Top officer pay equals 41.5% of source-year revenue.
Asset Growth
52nd percentile
Faster asset growth than 52% of similar nonprofits.
Revenue Growth
54th percentile
Faster revenue growth than 54% of similar nonprofits.
Assets
Up$893,635
Up $61,877 (+7.4%) from 2019
Net Assets
Up$888,336
Up $60,439 (+7.3%) from 2019
Liabilities
Up$5,299
Up $1,438 (+37%) from 2019
Revenue
Up$213,066
Up $2,508 (+1.2%) from 2019
Expenses
Down$152,627
Down $20,569 (-12%) from 2019
Net Income
Up$60,439
Up $23,077 (+62%) from 2019
The trust was formed pursuant to a city ordinance to monitor and analyze the ground water levels in the city of boston and to lessen the burdens of the government. The trust acts for the benefit of boston generally.
See form 990 part iiithe trust was formed pursuant to a city ordinance to monitor and analyze the ground water levels in the city of boston and to lessen the burdens of the government. The trust acts for the benefit of boston generally.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments in Publicly Traded Securities | $535,086 | $427,601 | ▼ $107,485 |
| Savings and Temporary Cash Investments | $153,922 | $280,286 | ▲ $126,364 |
| Cash and Non-Interest-Bearing Accounts | $131,647 | $180,950 | ▲ $49,303 |
| Pledges and Grants Receivable | $2,206 | $2,454 | ▲ $248 |
| Land, Buildings, and Equipment, Net | $8,897 | $2,344 | ▼ $6,553 |
| Total Assets | $831,758 | $893,635 | ▲ $61,877 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $3,861 | $5,299 | ▲ $1,438 |
| Total Liabilities | $3,861 | $5,299 | ▲ $1,438 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $827,897 | $888,336 | ▲ $60,439 |
| Total Net Assets Fund Balance | $827,897 | $888,336 | ▲ $60,439 |
| Total Liabilities and Net Assets / Fund Balance | $831,758 | $893,635 | ▲ $61,877 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Equipment | $2,344 | $43,556 | $45,900 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Christian Simonelli | Executive Director | FT | $84,028 | $4,350 | $88,378 |
| Name | Title |
|---|---|
| Gary Saunders | Trustee, Co-chair |
| Tim Mitchell | Trustee, Co-chair |
| Aaron Michlewitz | Trustee |
| Angie Liou | Trustee |
| Christopher Cook | Trustee |
| Edward Flynn | Trustee |
| Greg Galer | Trustee |
| Kiara Fox | Trustee |
| Leah Camhi | Trustee |
| Peter Shilland | Trustee |
| Janine Commerford | Trustee, Secretary |
| Robert Whitney | Trustee-treasurer |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $113,815 |
| Other Expenses | $38,812 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Current Officers, Directors, Trustees, and Key Employees | $42,014 | $42,014 | - | $84,028 |
| Occupancy | $10,099 | $3,367 | - | $13,466 |
| Other Salaries and Wages | $9,187 | - | - | $9,187 |
| Other Employee Benefits | $4,457 | $4,457 | - | $8,914 |
| Payroll Taxes | $4,065 | $3,271 | - | $7,336 |
| Fees for Services Accounting | - | $6,600 | - | $6,600 |
| Other Expenses | $5,331 | $6,727 | - | $5,331 |
| Depreciation Depletion | $4,580 | - | - | $4,580 |
| Pension Plan Contributions | $2,175 | $2,175 | - | $4,350 |
| Fees for Services Management | - | $1,230 | - | $1,230 |
| Insurance | - | $878 | - | $878 |
| Total Functional Expenses | $81,908 | $70,719 | $0 | $152,627 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“Executive director reviews and signs form 990.”
“The co-chairs and executive director meet annually to review performance and compensation for the executive director.”
“Documents are posted for public inspection to the trust's website.”
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 | 1 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 3861 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 5299 |
| IRS990/AcctCompileOrReviewBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | SEE FORM 990 PART IIITHE TRUST WAS FORMED PURSUANT TO A CITY ORDINANCE TO MONITOR AND ANALYZE THE GROUND WATER LEVELS IN THE CITY OF BOSTON AND TO LESSEN THE BURDENS OF THE GOVERNMENT. THE TRUST ACTS FOR THE BENEFIT OF BOSTON GENERALLY. |
| IRS990/AllOtherContributionsAmt | 0 | 25000 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 0 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | CHRISTIAN SIMONELLI |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 6178599439 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 229 BERKELEY ST SUITE 410 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | BOSTON |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 021163724 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 131647 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 180950 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 42014 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 42014 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 84028 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 194373 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 18693 |
| IRS990/CYOtherExpensesAmt | 0 | 38812 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 60439 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 113815 |
| IRS990/CYTotalExpensesAmt | 0 | 152627 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 213066 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 4580 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 4580 |
| IRS990/Desc | 0 | THE TRUST IS PRIMARILY INVOLVED IN THE SITING, INSTALLING, AND MONITORING OF WELLS ADDRESSING GROUNDWATER LEVELS. THE DATA IS PROVIDED TO THE APPROPRIATE GOVERNMENTAL AGENCIES AND GENERAL PUBLIC. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 0 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 81908 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 6600 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 6600 |
| IRS990/FeesForServicesManagementGrp/ManagementAndGeneralAmt | 0 | 1230 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 1230 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 40.00 |
| 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/IndividualTrusteeOrDirectorInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | 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/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 4350 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | EDWARD FLYNN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | AARON MICHLEWITZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | TIM MITCHELL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | ANGIE LIOU |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | GARY SAUNDERS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | PETER SHILLAND |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | JANINE COMMERFORD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | GREG GALER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | CHRISTOPHER COOK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | ROBERT WHITNEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | LEAH CAMHI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | KIARA FOX |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | CHRISTIAN SIMONELLI |
| 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/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 84028 |
| 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/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TRUSTEE, CO-CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TRUSTEE, CO-CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | TRUSTEE, SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | TRUSTEE-TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | EXECUTIVE DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 0 |
| IRS990/FormationYr | 0 | 1986 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedInd | 0 | 0 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/OtherAmt | 0 | -1973 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 2195 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 13 |
| IRS990/GovernmentGrantsAmt | 0 | 169373 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 60041 |
| IRS990/GrossReceiptsAmt | 0 | 272885 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 12 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 878 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 878 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 18471 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 18471 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 535086 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 427601 |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 43556 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 8897 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 2344 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 45900 |
| IRS990/LegalDomicileStateCd | 0 | MA |
| IRS990/LessCostOthBasisSalesExpnssGrp/OtherAmt | 0 | 1973 |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 57846 |
| 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 | THE TRUST WAS FORMED PURSUANT TO A CITY ORDINANCE TO MONITOR AND ANALYZE THE GROUND WATER LEVELS IN THE CITY OF BOSTON AND TO LESSEN THE BURDENS OF THE GOVERNMENT. THE TRUST ACTS FOR THE BENEFIT OF BOSTON GENERALLY. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 827897 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 888336 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 222 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 222 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 827897 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 888336 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 3367 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 10099 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 13466 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 4457 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 4457 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 8914 |
| IRS990/OtherExpensesGrp/Desc | 0 | OFFICE AND MISCELLANEOU |
| IRS990/OtherExpensesGrp/Desc | 1 | GROUNDWATER MONITORING |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 6727 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 5331 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 6727 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 5331 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 9187 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 9187 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 3271 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 4065 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 7336 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 2175 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 2175 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 4350 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 2206 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 2454 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrincipalOfficerNm | 0 | CHRISTIAN SIMONELLI |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 194373 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 16185 |
| IRS990/PYOtherExpensesAmt | 0 | 65876 |
| IRS990/PYOtherRevenueAmt | 0 | 0 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 37362 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 107320 |
| IRS990/PYTotalExpensesAmt | 0 | 173196 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 210558 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 60439 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 0 |
| IRS990/RelatedEntityInd | 0 | 1 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 153922 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 280286 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 194373 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 194373 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 194373 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 204373 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 194372 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 981864 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 18694 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 16185 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 12959 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 6361 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 10724 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 64923 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.93800 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.94530 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 981864 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 194373 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 194373 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 194373 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 204373 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 194372 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 981864 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 1046787 |
| IRS990/ScheduleBRequiredInd | 0 | 0 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 2344 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 43556 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 45900 |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 2344 |
| IRS990/ScheduleJRequiredInd | 0 | 0 |
| IRS990/ScheduleORequiredInd | 0 | 1 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | EXECUTIVE DIRECTOR REVIEWS AND SIGNS FORM 990. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | THE CO-CHAIRS AND EXECUTIVE DIRECTOR MEET ANNUALLY TO REVIEW PERFORMANCE AND COMPENSATION FOR THE EXECUTIVE DIRECTOR. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | DOCUMENTS ARE POSTED FOR PUBLIC INSPECTION TO THE TRUST'S WEBSITE. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PART VI, SECTION B, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PART VI, SECTION B, LINE 15A |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PART VI, SECTION C, LINE 19 |
| IRS990ScheduleR/AssetExchangeInd | 0 | 0 |
| IRS990ScheduleR/AssetPurchaseFromOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/AssetSaleToOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/DivRelatedOrganizationInd | 0 | 0 |
| IRS990ScheduleR/GiftGrntCapContriFromOthOrgInd | 0 | 0 |
| IRS990ScheduleR/GiftGrntOrCapContriToOthOrgInd | 0 | 0 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ControlledOrganizationInd | 0 | 0 |
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| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/LegalDomicileStateCd | 0 | MA |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/PrimaryActivitiesTxt | 0 | CITY GOVERNMENT |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/AddressLine1Txt | 0 | ONE CITY HALL SQUARE |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/CityNm | 0 | BOSTON |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/ZIPCd | 0 | 02201 |
| IRS990ScheduleR/LoansOrGuaranteesFromOthOrgInd | 0 | 0 |
| IRS990ScheduleR/LoansOrGuaranteesToOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/PaidEmployeesSharingInd | 0 | 0 |
| IRS990ScheduleR/PerformOfServicesByOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/PerformOfServicesForOthOrgInd | 0 | 0 |
| IRS990ScheduleR/ReceiptOfIntAnntsRntsRyltsInd | 0 | 0 |
| IRS990ScheduleR/ReimbursementPaidByOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/ReimbursementPaidToOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/RentalOfFacilitiesToOthOrgInd | 0 | 0 |
| IRS990ScheduleR/RentalOfFcltsFromOthOrgInd | 0 | 0 |
| IRS990ScheduleR/SharingOfFacilitiesInd | 0 | 0 |
| IRS990ScheduleR/TransferFromOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/TransferToOtherOrgInd | 0 | 0 |
| IRS990/SchoolOperatingInd | 0 | 0 |
| IRS990/SignificantChangeInd | 0 | 0 |
| IRS990/SignificantNewProgramSrvcInd | 0 | 0 |
| 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 | 831758 |
| IRS990/TotalAssetsEOYAmt | 0 | 893635 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 831758 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 893635 |
| IRS990/TotalCompGreaterThan150KInd | 0 | 0 |
| IRS990/TotalContributionsAmt | 0 | 194373 |
| IRS990/TotalEmployeeCnt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 70719 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 81908 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 152627 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 3861 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 5299 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 3861 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 5299 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 827897 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 888336 |
| IRS990/TotalOtherCompensationAmt | 0 | 4350 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 81908 |
| IRS990/TotalReportableCompFromOrgAmt | 0 | 84028 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 18693 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 213066 |
| IRS990/TotalRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/TotalVolunteersCnt | 0 | 0 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 831758 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 893635 |
| IRS990/TotReportableCompRltdOrgAmt | 0 | 0 |
| IRS990/TrnsfrExmptNonChrtblRltdOrgInd | 0 | 0 |
| IRS990/TypeOfOrganizationTrustInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | 0 |
| IRS990/UponRequestInd | 0 | X |
| IRS990/USAddress/AddressLine1Txt | 0 | 229 BERKELEY ST NO 410 |
| IRS990/USAddress/CityNm | 0 | BOSTON |
| IRS990/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990/USAddress/ZIPCd | 0 | 02116 |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 13 |
| IRS990/VotingMembersIndependentCnt | 0 | 12 |
| IRS990/WebsiteAddressTxt | 0 | WWW.BOSTONGROUNDWATER.ORG |
| IRS990/WhistleblowerPolicyInd | 0 | 0 |
| ReturnHeader/BuildTS | 0 | 2021-01-29 14:40:06Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | 1 |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | CHRISTIAN SIMONELLI |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | EXECUTIVE DIRECTOR |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 6178598439 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2020-12-02 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | BOSTON GROUNDWATER TRUST |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | BOST |
| ReturnHeader/Filer/EIN | 0 | 201941686 |
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Displayed year
2020 • Form 990Detailed filing. Detailed filing data is available for this year.