Liabilities / Assets
58th percentile
Higher debt load relative to assets than 58% of similar nonprofits.
EIN 68-0059056 • 501(c)12 • Angwin, CA
Profile
WATER SERVICE
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
58th percentile
Higher debt load relative to assets than 58% of similar nonprofits.
Liabilities / Revenue
62nd percentile
Higher debt load relative to revenue than 62% of similar nonprofits.
Net Margin
7th percentile
Higher net margin than 7% of similar nonprofits.
Top Officer Pay
68th percentile
Higher top officer pay than 68% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
4th percentile
Faster asset growth than 4% of similar nonprofits.
Revenue Growth
2nd percentile
Faster revenue growth than 2% of similar nonprofits.
Assets
Down$2,696,110
Down $350,469 (-12%) from 2024
Liabilities
Down$725,901
Down $116,180 (-14%) from 2024
Net Assets
Down$1,970,209
Down $234,289 (-11%) from 2024
Revenue
Down$691,769
Down $912,267 (-57%) from 2024
Expenses
Up$926,058
Up $93,685 (+11%) from 2024
Net Income
Down-$234,289
Down $1,005,952 (-130%) from 2024
Most recent year
2025 • Form 990Detailed filing. Detailed filing data is available for this year.
WATER SERVICE
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Land, Buildings, and Equipment, Net | $2,706,371 | $2,446,874 | ▼ $259,497 |
| Rtn Earn Endowment Incm Other Fnds | $2,204,498 | $1,970,209 | ▼ $234,289 |
| Accounts Receivable | $108,333 | $107,685 | ▼ $648 |
| Savings and Temporary Cash Investments | $144,333 | $105,764 | ▼ $38,569 |
| Prepaid Expenses and Deferred Charges | $26,221 | $24,244 | ▼ $1,977 |
| Intangible Assets | $9,879 | $6,724 | ▼ $3,155 |
| Cash and Non-Interest-Bearing Accounts | $51,442 | $4,819 | ▼ $46,623 |
| Total Assets | $3,046,579 | $2,696,110 | ▼ $350,469 |
| Liabilities | |||
| Mortgage Notes Payable Secured by Investment Property | $782,603 | $720,076 | ▼ $62,527 |
| Accounts Payable and Accrued Expenses | $59,478 | $5,825 | ▼ $53,653 |
| Total Liabilities | $842,081 | $725,901 | ▼ $116,180 |
| Net Assets / Fund Balance | |||
| Total Net Assets Fund Balance | $2,204,498 | $1,970,209 | ▼ $234,289 |
| Total Liabilities and Net Assets / Fund Balance | $3,046,579 | $2,696,110 | ▼ $350,469 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Equipment | $1,990,133 | $4,847,075 | $6,837,208 |
| Land | $425,834 | - | $425,834 |
| Buildings | $30,907 | $186,128 | $217,035 |
| Name | Title |
|---|---|
| David Wesner | President |
| George Taylor | Director |
| Lee Tetz | Director |
| Nate Kane | Director |
| Nikki Callnan | Secretary |
| Jesse Clifton | Vice Preside |
| Greg Desmond | VP-finance/t |
| Line Item | Amount |
|---|---|
| Other Expenses | $581,182 |
| Salaries, Compensation, and Employee Benefits | $344,876 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | - | - | - | $282,313 |
| Depreciation Depletion | - | - | - | $256,036 |
| Occupancy | - | - | - | $79,006 |
| Other Employee Benefits | - | - | - | $36,040 |
| Interest | - | - | - | $26,791 |
| Payroll Taxes | - | - | - | $22,773 |
| All Other Expenses | - | - | - | $17,933 |
| Insurance | - | - | - | $15,789 |
| Office Expenses | - | - | - | $15,254 |
| Other Expenses | - | - | - | $9,816 |
| Fees for Services Accounting | - | - | - | $7,484 |
| Conferences and Meetings | - | - | - | $5,898 |
| Fees for Services Other | - | - | - | $4,771 |
| Pension Plan Contributions | - | - | - | $3,750 |
| Travel | - | - | - | $2,618 |
| Advertising | - | - | - | $835 |
| Total Functional Expenses | $0 | $0 | $0 | $926,058 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“The members of the board are voted upon by the membership.”
“Members vote on changes in water rates, changes in bylaws and mergers or sales of significant portions of the organization.”
“Reviewed by office manager and treasurer prior to filing.”
“MONITORED BY BOARD”
“Compensation of employees set by board and reviewed with comparable rates in similar agencies.”
“Compensation of employees set by board and reviewed with comparable rates in similar agencies. Officers are not compensated.”
“PROVIDED UPON REQUEST”
“Included on part v, line 11b, the organization received a disaster relief grant from the federal emergency management agency (fema) related to the fires and flooding in the area. This was a non-taxable grant.”
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 | 59478 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 5825 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 108333 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 107685 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | WATER SERVICE |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 835 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 17933 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | false |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | SHANNON DAMONTE |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 7079652205 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | PO BOX 9 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | ANGWIN |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 94508 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 51442 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 4819 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | true |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 5898 |
| 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 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 8 |
| IRS990/CYOtherExpensesAmt | 0 | 581182 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 691761 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -234289 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 344876 |
| IRS990/CYTotalExpensesAmt | 0 | 926058 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 691769 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | true |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 256036 |
| IRS990/Desc | 0 | HOWELL MOUNTAIN MUTUAL WATER COMPANY DEVELOPES AND MAINTAINS WATER SOURCES AND SUPPLIES AND DISTRIBUTES THAT WATER TO ITS MEMBERS |
| IRS990/DescribedInSection501c3Ind | 0 | false |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | true |
| IRS990/EmployeeCnt | 0 | 6 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 7484 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 4771 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 0.75 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 0.75 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 0.75 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 0.75 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 0.75 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| 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/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/PersonNm | 0 | NIKKI CALLNAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | JESSE CLIFTON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | GREG DESMOND |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | NATE KANE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | GEORGE TAYLOR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | LEE TETZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | DAVID WESNER |
| 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/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/TitleTxt | 0 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | VICE PRESIDE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | VP-FINANCE/T |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | PRESIDENT |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 1984 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 7 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 691769 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 7 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartVInd | 0 | X |
| IRS990/InsuranceGrp/TotalAmt | 0 | 15789 |
| IRS990/IntangibleAssetsGrp/BOYAmt | 0 | 9879 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 6724 |
| IRS990/InterestGrp/TotalAmt | 0 | 26791 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 8 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 8 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 7 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 5033203 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 2706371 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 2446874 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 7480077 |
| IRS990/LegalDomicileStateCd | 0 | CA |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersAndShrGrossIncomeAmt | 0 | 691761 |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | WATER SERVICE |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 782603 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 720076 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 2204498 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 1970209 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/TotalAmt | 0 | 79006 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 15254 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501cInd | 0 | X |
| IRS990/OrgDoesNotFollowFASB117Ind | 0 | X |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 36040 |
| IRS990/OtherExpensesGrp/Desc | 0 | GOVERNMENTAL FEES |
| IRS990/OtherExpensesGrp/Desc | 1 | WATER TREATMENT/TESTING C |
| IRS990/OtherExpensesGrp/Desc | 2 | EQUIPMENT/SYSTEM MAINT |
| IRS990/OtherExpensesGrp/Desc | 3 | WORKER'S COMP INSURANCE |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 51065 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 49153 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 38733 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 9816 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 282313 |
| IRS990/OtherSourcesGrossIncomeAmt | 0 | 8 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 22773 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 3750 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 26221 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 24244 |
| IRS990/PrincipalOfficerNm | 0 | DAVID WESNER |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | WATER SALES |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 691761 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 691761 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 844085 |
| IRS990/PYInvestmentIncomeAmt | 0 | 4836 |
| IRS990/PYOtherExpensesAmt | 0 | 493306 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 755115 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 771663 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 339067 |
| IRS990/PYTotalExpensesAmt | 0 | 832373 |
| IRS990/PYTotalRevenueAmt | 0 | 1604036 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -234289 |
| 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/RtnEarnEndowmentIncmOthFndsGrp/BOYAmt | 0 | 2204498 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/EOYAmt | 0 | 1970209 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 144333 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 105764 |
| IRS990/ScheduleBRequiredInd | 0 | false |
| IRS990ScheduleD/BuildingsGrp/BookValueAmt | 0 | 30907 |
| IRS990ScheduleD/BuildingsGrp/DepreciationAmt | 0 | 186128 |
| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 217035 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 1990133 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 4847075 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 6837208 |
| IRS990ScheduleD/LandGrp/BookValueAmt | 0 | 425834 |
| IRS990ScheduleD/LandGrp/OtherCostOrOtherBasisAmt | 0 | 425834 |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 2446874 |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | INCLUDED ON PART V, LINE 11B, THE ORGANIZATION RECEIVED A DISASTER RELIEF GRANT FROM THE FEDERAL EMERGENCY MANAGEMENT AGENCY (FEMA) RELATED TO THE FIRES AND FLOODING IN THE AREA. THIS WAS A NON-TAXABLE GRANT. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | THE MEMBERS OF THE BOARD ARE VOTED UPON BY THE MEMBERSHIP. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | MEMBERS VOTE ON CHANGES IN WATER RATES, CHANGES IN BYLAWS AND MERGERS OR SALES OF SIGNIFICANT PORTIONS OF THE ORGANIZATION. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | REVIEWED BY OFFICE MANAGER AND TREASURER PRIOR TO FILING. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | MONITORED BY BOARD |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | COMPENSATION OF EMPLOYEES SET BY BOARD AND REVIEWED WITH COMPARABLE RATES IN SIMILAR AGENCIES. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 6 | COMPENSATION OF EMPLOYEES SET BY BOARD AND REVIEWED WITH COMPARABLE RATES IN SIMILAR AGENCIES. OFFICERS ARE NOT COMPENSATED. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 7 | PROVIDED UPON REQUEST |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PART V |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PAGE 6, PART VI, LINE 7A |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PAGE 6, PART VI, LINE 7B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PAGE 6, PART VI, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PAGE 6, PART VI, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | FORM 990, PAGE 6, PART VI, LINE 15A |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 6 | FORM 990, PAGE 6, PART VI, LINE 15B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 7 | FORM 990, PAGE 6, PART VI, LINE 19 |
| IRS990/SchoolOperatingInd | 0 | false |
| IRS990/SignificantChangeInd | 0 | false |
| IRS990/SignificantNewProgramSrvcInd | 0 | false |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | CA |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | false |
| IRS990/SubjectToProxyTaxInd | 0 | false |
| IRS990/SubjToTaxRmnrtnExPrchtPymtInd | 0 | false |
| IRS990/TaxablePartyNotificationInd | 0 | false |
| IRS990/TaxExemptBondsInd | 0 | false |
| IRS990/TerminateOperationsInd | 0 | false |
| IRS990/TotalAssetsBOYAmt | 0 | 3046579 |
| IRS990/TotalAssetsEOYAmt | 0 | 2696110 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 3046579 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 2696110 |
| IRS990/TotalCompGreaterThan150KInd | 0 | false |
| IRS990/TotalEmployeeCnt | 0 | 6 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 926058 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 842081 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 725901 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 842081 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 725901 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 2204498 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 1970209 |
| IRS990/TotalProgramServiceRevenueAmt | 0 | 691761 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 8 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 691761 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 691769 |
| IRS990/TotalVolunteersCnt | 0 | 7 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 3046579 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 2696110 |
| IRS990/TravelGrp/TotalAmt | 0 | 2618 |
| IRS990/TypeOfOrganizationCorpInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | false |
| IRS990/UponRequestInd | 0 | X |
| IRS990/USAddress/AddressLine1Txt | 0 | PO BOX 967 |
| IRS990/USAddress/CityNm | 0 | ANGWIN |
| IRS990/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/USAddress/ZIPCd | 0 | 94508 |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 7 |
| IRS990/VotingMembersIndependentCnt | 0 | 7 |
| IRS990/WebsiteAddressTxt | 0 | WWW.HMMWCO.COM |
| IRS990/WhistleblowerPolicyInd | 0 | false |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | DAVID WESNER |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | PRESIDENT |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 7079652205 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2026-02-10 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | HOWELL MOUNTAIN MUTUAL |
| ReturnHeader/Filer/BusinessName/BusinessNameLine2Txt | 0 | WATER COMPANY INC |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | HOWE |
| ReturnHeader/Filer/EIN | 0 | 680059056 |
| ReturnHeader/Filer/PhoneNum | 0 | 7079652205 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | PO BOX 9 |
| ReturnHeader/Filer/USAddress/CityNm | 0 | ANGWIN |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | CA |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 94508 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 680111144 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | ROBERT L WITHROW CPA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 843 BROADWAY |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | SONOMA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | CA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 954767012 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 7079961101 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2026-02-10 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | ROBERT L WITHROW CPA |
| ReturnHeader/PreparerPersonGrp/SelfEmployedInd | 0 | X |
| ReturnHeader/ReturnTs | 0 | 2026-02-20T19:14:47-05:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2025-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-12-31 |
| ReturnHeader/TaxYr | 0 | 2025 |
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