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        <RelatedOrExemptFuncIncomeAmt>11686</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>3279319</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>103027</TotalRevenueColumnAmt>
        <ExclusionAmt>103027</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossRentsGrp>
        <RealAmt>20550</RealAmt>
        <PersonalAmt>15713</PersonalAmt>
      </GrossRentsGrp>
      <LessRentalExpensesGrp>
        <RealAmt>0</RealAmt>
        <PersonalAmt>0</PersonalAmt>
      </LessRentalExpensesGrp>
      <RentalIncomeOrLossGrp>
        <RealAmt>20550</RealAmt>
        <PersonalAmt>15713</PersonalAmt>
      </RentalIncomeOrLossGrp>
      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>36263</TotalRevenueColumnAmt>
        <ExclusionAmt>36263</ExclusionAmt>
      </NetRentalIncomeOrLossGrp>
      <OtherRevenueMiscGrp>
        <Desc>MISCELLANEOUS</Desc>
        <BusinessCd>713990</BusinessCd>
        <TotalRevenueColumnAmt>7121</TotalRevenueColumnAmt>
        <ExclusionAmt>7121</ExclusionAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>7121</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>3425730</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>3279319</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>146411</ExclusionAmt>
      </TotalRevenueGrp>
      <CompCurrentOfcrDirectorsGrp>
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        <ProgramServicesAmt>197983</ProgramServicesAmt>
        <ManagementAndGeneralAmt>35378</ManagementAndGeneralAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>629835</TotalAmt>
        <ProgramServicesAmt>534350</ProgramServicesAmt>
        <ManagementAndGeneralAmt>95485</ManagementAndGeneralAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>19558</TotalAmt>
        <ProgramServicesAmt>17602</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1956</ManagementAndGeneralAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>88342</TotalAmt>
        <ProgramServicesAmt>79508</ProgramServicesAmt>
        <ManagementAndGeneralAmt>8834</ManagementAndGeneralAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>78978</TotalAmt>
        <ProgramServicesAmt>71080</ProgramServicesAmt>
        <ManagementAndGeneralAmt>7898</ManagementAndGeneralAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>494386</TotalAmt>
        <ProgramServicesAmt>413504</ProgramServicesAmt>
        <ManagementAndGeneralAmt>80882</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>26985</TotalAmt>
        <ManagementAndGeneralAmt>26985</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>43200</TotalAmt>
        <ProgramServicesAmt>30240</ProgramServicesAmt>
        <ManagementAndGeneralAmt>12960</ManagementAndGeneralAmt>
      </FeesForServicesLobbyingGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>51536</TotalAmt>
        <ProgramServicesAmt>36873</ProgramServicesAmt>
        <ManagementAndGeneralAmt>14663</ManagementAndGeneralAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>131977</TotalAmt>
        <ProgramServicesAmt>125378</ProgramServicesAmt>
        <ManagementAndGeneralAmt>6599</ManagementAndGeneralAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>59173</TotalAmt>
        <ManagementAndGeneralAmt>59173</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <OccupancyGrp>
        <TotalAmt>75446</TotalAmt>
        <ProgramServicesAmt>60127</ProgramServicesAmt>
        <ManagementAndGeneralAmt>15319</ManagementAndGeneralAmt>
      </OccupancyGrp>
      <InterestGrp>
        <TotalAmt>805</TotalAmt>
        <ProgramServicesAmt>805</ProgramServicesAmt>
      </InterestGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>210959</TotalAmt>
        <ProgramServicesAmt>168767</ProgramServicesAmt>
        <ManagementAndGeneralAmt>42192</ManagementAndGeneralAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>226487</TotalAmt>
        <ProgramServicesAmt>192420</ProgramServicesAmt>
        <ManagementAndGeneralAmt>34067</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>WATER QUALITY</Desc>
        <TotalAmt>260370</TotalAmt>
        <ProgramServicesAmt>260370</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>MARINA EXPENSES</Desc>
        <TotalAmt>185558</TotalAmt>
        <ProgramServicesAmt>185558</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>EQUIPMENT MAINTENANCE</Desc>
        <TotalAmt>84814</TotalAmt>
        <ProgramServicesAmt>82959</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1855</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>POWER GENERATION</Desc>
        <TotalAmt>55525</TotalAmt>
        <ProgramServicesAmt>55525</ProgramServicesAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>281102</TotalAmt>
        <ProgramServicesAmt>226598</ProgramServicesAmt>
        <ManagementAndGeneralAmt>54504</ManagementAndGeneralAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>3238397</TotalAmt>
        <ProgramServicesAmt>2739647</ProgramServicesAmt>
        <ManagementAndGeneralAmt>498750</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>5305</BOYAmt>
        <EOYAmt>105008</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>369866</BOYAmt>
        <EOYAmt>332156</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <AccountsReceivableGrp>
        <BOYAmt>24586</BOYAmt>
        <EOYAmt>45368</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>138127</BOYAmt>
        <EOYAmt>4000</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>9579474</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>4727168</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>5001694</BOYAmt>
        <EOYAmt>4852306</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>1825851</BOYAmt>
        <EOYAmt>2145518</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>22994</BOYAmt>
        <EOYAmt>177325</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>7388423</BOYAmt>
        <EOYAmt>7661681</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>275637</BOYAmt>
        <EOYAmt>162609</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <MortgNotesPyblScrdInvstPropGrp>
        <BOYAmt>22994</BOYAmt>
        <EOYAmt>15589</EOYAmt>
      </MortgNotesPyblScrdInvstPropGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>161739</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>298631</BOYAmt>
        <EOYAmt>339937</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrgDoesNotFollowFASB117Ind>X</OrgDoesNotFollowFASB117Ind>
      <CapStkTrPrinCurrentFundsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </CapStkTrPrinCurrentFundsGrp>
      <PdInCapSrplsLandBldgEqpFundGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </PdInCapSrplsLandBldgEqpFundGrp>
      <RtnEarnEndowmentIncmOthFndsGrp>
        <BOYAmt>7089792</BOYAmt>
        <EOYAmt>7321744</EOYAmt>
      </RtnEarnEndowmentIncmOthFndsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>7089792</BOYAmt>
        <EOYAmt>7321744</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>7388423</BOYAmt>
        <EOYAmt>7661681</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>187333</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>44619</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleC documentId="RetDoc1039700001">
      <SubstantiallyAllDuesNondedInd>1</SubstantiallyAllDuesNondedInd>
      <OnlyInHouseLobbyingInd>0</OnlyInHouseLobbyingInd>
      <AgreeCarryoverPriorYearInd>0</AgreeCarryoverPriorYearInd>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <LandGrp>
        <OtherCostOrOtherBasisAmt>1043873</OtherCostOrOtherBasisAmt>
        <BookValueAmt>1043873</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>1945559</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>479605</DepreciationAmt>
        <BookValueAmt>1465954</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>6590042</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>4247563</DepreciationAmt>
        <BookValueAmt>2342479</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>4852306</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>DEFERRED COMPENSATION</Desc>
        <Amt>161739</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>161739</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>3470349</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>44619</NetUnrealizedGainsInvstAmt>
      <RevenueNotReportedAmt>44619</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>3425730</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>3425730</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>3238397</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>3238397</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>3238397</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>FIN 48 (ASC 740) FOOTNOTE - THE CORPORATION IS EXEMPT FROM FEDERAL AND STATE INCOME TAXES UNDER INTERNAL REVENUE CODE (IRC) SECTION 501(C)(4) EXCEPT TO THE EXTENT OF UNRELATED BUSINESS TAXABLE INCOME AS DEFINED UNDER IRC SECTIONS 511 THROUGH 515. THE CORPORATION RECOGNIZES THE TAX BENEFIT FROM UNCERTAIN TAX POSITIONS ONLY IF IT IS MORE LIKELY THAN NOT THAT THE TAX POSITIONS WILL BE SUSTAINED ON EXAMINATION BY THE TAX AUTHORITIES, BASED ON THE TECHNICAL MERITS OF THE POSITION. THE TAX BENEFIT IS MEASURED BASED ON THE LARGEST BENEFIT THAT HAS A GREATER THAN 50% LIKELIHOOD OF BEING REALIZED UPON ULTIMATE SETTLEMENT. THE CORPORATION RECOGNIZES INTEREST AND PENALTIES RELATED TO INCOME TAX MATTERS, IF ANY, IN OTHER EXPENSES. THE CORPORATION HAD NO UNRECOGNIZED TAX BENEFITS AT DECEMBER 31, 2024 AND 2023. NO INTEREST AND PENALTIES WERE ACCRUED FOR THE YEARS ENDED DECEMBER 31, 2024 AND 2023, AND THERE WERE NO MATERIAL UNCERTAIN TAX POSITIONS. THE CORPORATION FILES AN EXEMPT ORGANIZATION RETURN IN THE U.S. FEDERAL JURISDICTION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>1</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JEFF WARD</PersonNm>
        <TitleTxt>GENERAL MANAGER</TitleTxt>
        <BaseCompensationFilingOrgAmt>185764</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>15000</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>16602</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>5573</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>10423</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>233362</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>BONUSES ARE DETERMINED AT BOARD DISCRETION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>SHAREHOLDERS ARE INDIVIDUALS OR OTHER ENTITIES WHO OWN LAKE OSWEGO LAKE FRONT PROPERTY. ONE SHARE OF STOCK IS ISSUED FOR EACH TEN FEET OF LAKE FRONTAGE OR MAJOR FRACTION THEREOF.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH OUTSTANDING SHARE IS ENTITLED TO ONE VOTE ON EACH MATTER SUBMITTED TO A VOTE AT A MEETING OF THE SHAREHOLDERS, INCLUDING BOARD ELECTIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>AMENDMENTS TO THE BYLAWS REQUIRE SHAREHOLDER APPROVAL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 IS REVIEWED BY THE LAKE MANAGER AND OFFICE MANAGER FOR REASONABLENESS AND COMPLETENESS BEFORE FILING. THE BOARD PRESIDENT REVIEWS FORM 990 AT THE TIME OF SIGNING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>LAKE OSWEGO CORPORATION REGULARLY AND CONSISTENTLY MONITORS AND ENFORCES THE CONFLICT-OF-INTEREST POLICY. IN CONNECTION WITH ANY ACTUAL OR POSSIBLE CONFLICT OF INTEREST, AN INTERESTED PERSON MUST DISCLOSE THE EXISTENCE OF CONFLICT. ANY BOARD MEMBER WITH A CONFLICT IS NOT ALLOWED TO VOTE ON THE TRANSACTION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>TO DETERMINE GENERAL MANAGER COMPENSATION AT THE TIME OF HIRE, HEAD HUNTER AND MARKET DATA WERE USED TO COME TO AN AGREEABLE PACKAGE IN 2007; SUBSEQUENT COMPENSATION INCREASES ARE BASED ON A 3% COST OF LIVING INCREASE. OTHER COMPENSATION PACKAGES ARE REVIEWED BY THE GENERAL MANAGER USING MARKET DATA.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING DOCUMENTS AND FINANCIAL STATEMENTS ARE MADE AVAILABLE TO SHAREHOLDERS ONLY UPON REQUEST FOR REVIEW AT THE ORGANIZATION'S FACILITY.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>