﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2025v4.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2026-08-11T16:20:16-04:00</ReturnTs>
    <TaxPeriodEndDt>2026-03-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>411562398</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>CARLSONSV LLP</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>301 KELLER AVE S</AddressLine1Txt>
        <CityNm>AMERY</CityNm>
        <StateAbbreviationCd>WI</StateAbbreviationCd>
        <ZIPCd>540011283</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2025-04-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>237355260</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>KIAP-TU-WISH CHAPTER OF TROUT UNLIM</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>KIAP</BusinessNameControlTxt>
      <PhoneNum>7155496189</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO BOX 483</AddressLine1Txt>
        <CityNm>HUDSON</CityNm>
        <StateAbbreviationCd>WI</StateAbbreviationCd>
        <ZIPCd>54016</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>GARETH HORVATH</PersonNm>
      <PersonTitleTxt>TREASURER</PersonTitleTxt>
      <PhoneNum>7155496189</PhoneNum>
      <SignatureDt>2026-08-03</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>DIRK A PRINDLE CPA</PreparerPersonNm>
      <PTIN>P00456916</PTIN>
      <PhoneNum>7159544995</PhoneNum>
      <PreparationDt>2026-08-03</PreparationDt>
      <SelfEmployedInd>X</SelfEmployedInd>
    </PreparerPersonGrp>
    <TaxYr>2025</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="4">
    <IRS990EZ documentId="RetDoc1" referenceDocumentId="RetDoc3">
      <GroupExemptionNum>2266</GroupExemptionNum>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>WWW.KIAPTUWISH.ORG</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc4">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>40402</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>19029</ContributionsGiftsGrantsEtcAmt>
      <InvestmentIncomeAmt>395</InvestmentIncomeAmt>
      <FundraisingGrossIncomeAmt referenceDocumentId="RetDoc2">20833</FundraisingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>3715</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>17118</SpecialEventsNetIncomeLossAmt>
      <OtherRevenueTotalAmt>145</OtherRevenueTotalAmt>
      <TotalRevenueAmt>36687</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>3450</GrantsAndSimilarAmountsPaidAmt>
      <FeesAndOtherPymtToIndCntrctAmt>775</FeesAndOtherPymtToIndCntrctAmt>
      <OtherExpensesTotalAmt>67447</OtherExpensesTotalAmt>
      <TotalExpensesAmt>71672</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>-34985</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>137695</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>102710</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>137695</BOYAmt>
        <EOYAmt>102710</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <Form990TotalAssetsGrp>
        <BOYAmt>137695</BOYAmt>
        <EOYAmt>102710</EOYAmt>
      </Form990TotalAssetsGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>137695</BOYAmt>
        <EOYAmt>102710</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>CONSERVE, PROTECT AND RESTORE COLD WATER STREAMS IN WESTERN WISCONSIN.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>EXPENSE REIMBURSEMENT TO THE WI DNR FOR THE RESTORATION PROJECT ON THE SOUTH FORK OF THE KINNICKINNIC RIVER. MAINTENANCE OF WOODY VEGETATION ON PAST STREAM HABITAT PROJECTS THROUGH MOWING, HERBICIDE APPLICATION AND TREE AND BRUSH REMOVAL.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>3450</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>51357</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>YOUTH EDUCATION PROGRAMS THAT PROVIDED ACCESS AND EXPOSURE TO COLDWATER CONSERVATION ISSUES. THEY ARE ACHIEVED THROUGH TROUT IN THE CLASSROOM/BUGS IN THE CLASSROOM AND THE STREAM GIRLS PROGRAM. STREAM MONITORING WAS PROVIDED IN 4 SCHOOLS AND THE LOCAL COMMUNITIES.</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>13688</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>STREAM MONITORING FOR THE COLLECTION AND ANALYSIS OF DATA THAT PROVIDED INFORMATION USEFUL FOR MEASURING HABITAT PROJECT PERFORMANCE. DATA ALLOWS FOR MODIFICATION OF FUTURE PROJECTS AND IS NECESSARY FOR BUILDING LONG-TERM PUBLIC SUPPORT FOR STREAM HABITAT PROTECTION AND RESORATION.</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>3394</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>68439</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>SUZANNE CONSTANTINI</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>8.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>BADGER FLOWERS</PersonNm>
        <TitleTxt>VICE PRESIDE</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>GARETH HORVATH</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>11.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MISSIE HANSON</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>RANDY ARNOLD</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>3.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>RAINBOW BARRY</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>SARAH HARTUNG</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MICHELLE BEVIS</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MATT JANQUART</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>LINDA RADIMECKY</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>GREG OLSON</PersonNm>
        <TitleTxt>EX-OFFICIO B</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>WI</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <PersonNm>SUZANNE CONSTANTINI</PersonNm>
        <USAddress>
          <AddressLine1Txt>PO BOX 483</AddressLine1Txt>
          <CityNm>HUDSON</CityNm>
          <StateAbbreviationCd>WI</StateAbbreviationCd>
          <ZIPCd>54016</ZIPCd>
        </USAddress>
        <PhoneNum>7155496189</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="RetDoc4">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>22580</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>83497</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>41245</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>30458</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>19029</CurrentTaxYearAmt>
        <TotalAmt>196809</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearAmt>145</CurrentTaxYearAmt>
        <TotalAmt>145</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <GrossReceiptsNonUnrltBusGrp>
        <CurrentTaxYearMinus4YearsAmt>14074</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>18473</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>24086</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>18679</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>20833</CurrentTaxYearAmt>
        <TotalAmt>96145</TotalAmt>
      </GrossReceiptsNonUnrltBusGrp>
      <GovtFurnSrvcFcltsVl509Grp>
        <CurrentTaxYearMinus4YearsAmt>9772</CurrentTaxYearMinus4YearsAmt>
        <TotalAmt>9772</TotalAmt>
      </GovtFurnSrvcFcltsVl509Grp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>46426</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>101970</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>65331</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>49137</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>40007</CurrentTaxYearAmt>
        <TotalAmt>302871</TotalAmt>
      </Total509Grp>
      <PublicSupportTotal509Amt>302871</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>122</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>348</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>291</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>434</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>395</CurrentTaxYearAmt>
        <TotalAmt>1590</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>122</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>348</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>291</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>434</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>395</CurrentTaxYearAmt>
        <TotalAmt>1590</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>46548</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>102318</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>65622</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>49571</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>40402</CurrentTaxYearAmt>
        <TotalAmt>304461</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.99480</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.99570</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.01000</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00000</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleG documentId="RetDoc2">
      <FundraisingEventInformationGrp>
        <Event1Nm>AUCTION AND BAN</Event1Nm>
        <GrossReceiptsEvent1Amt>20833</GrossReceiptsEvent1Amt>
        <GrossRevenueEvent1Amt>20833</GrossRevenueEvent1Amt>
        <OtherDirectExpensesEvent1Amt>3715</OtherDirectExpensesEvent1Amt>
        <GrossReceiptsTotalAmt>20833</GrossReceiptsTotalAmt>
        <GrossRevenueTotalEventsAmt>20833</GrossRevenueTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>3715</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>3715</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>17118</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleO documentId="RetDoc3">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 8</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER INCOME 145 TOTAL 145</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16</FormAndLineReferenceDesc>
        <ExplanationTxt>EXPENSES OTHER ADMIN 2,323 CC PROCESSING FEES 135 MATERIAL AND SUPPLIES 20,534 DONOR REST - SUPPLIES 11,181 STREAM MONITORING 9,720 COMMUNICATIONS/OUTREACH 3,354 EDUCATION 10,439 DONOR REST - EDUCATION 9,000 SPRING APPEAL 761 TOTAL 67,447</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III, LINE 28</FormAndLineReferenceDesc>
        <ExplanationTxt>EXPENSE REIMBURSEMENT TO THE WI DNR FOR THE RESTORATION PROJECT ON THE SOUTH FORK OF THE KINNICKINNIC RIVER. MAINTENANCE OF WOODY VEGETATION ON PAST STREAM HABITAT PROJECTS THROUGH MOWING, HERBICIDE APPLICATION AND TREE AND BRUSH REMOVAL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III, LINE 29</FormAndLineReferenceDesc>
        <ExplanationTxt>YOUTH EDUCATION PROGRAMS THAT PROVIDED ACCESS AND EXPOSURE TO COLDWATER CONSERVATION ISSUES. THEY ARE ACHIEVED THROUGH TROUT IN THE CLASSROOM/BUGS IN THE CLASSROOM AND THE STREAM GIRLS PROGRAM. STREAM MONITORING WAS PROVIDED IN 4 SCHOOLS AND THE LOCAL COMMUNITIES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III, LINE 30</FormAndLineReferenceDesc>
        <ExplanationTxt>STREAM MONITORING FOR THE COLLECTION AND ANALYSIS OF DATA THAT PROVIDED INFORMATION USEFUL FOR MEASURING HABITAT PROJECT PERFORMANCE. DATA ALLOWS FOR MODIFICATION OF FUTURE PROJECTS AND IS NECESSARY FOR BUILDING LONG-TERM PUBLIC SUPPORT FOR STREAM HABITAT PROTECTION AND RESORATION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>