<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2021v4.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2022-10-07T13:03:04-04:00</ReturnTs>
    <TaxPeriodEndDt>2021-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>463169148</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>DAVISKELLY LLP</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>42 MILL ROAD</AddressLine1Txt>
        <CityNm>WILMINGTON</CityNm>
        <StateAbbreviationCd>MA</StateAbbreviationCd>
        <ZIPCd>01887</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2021-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>237221094</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>MYSTIC RIVER WATERSHED</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>ASSOCIATION INC</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>MYST</BusinessNameControlTxt>
      <PhoneNum>7813163438</PhoneNum>
      <USAddress>
        <AddressLine1Txt>20 ACADEMY STREET SUITE 306</AddressLine1Txt>
        <CityNm>ARLINGTON</CityNm>
        <StateAbbreviationCd>MA</StateAbbreviationCd>
        <ZIPCd>02476</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>CHARLES HOLLEY</PersonNm>
      <PersonTitleTxt>TREASUER</PersonTitleTxt>
      <PhoneNum>7813163438</PhoneNum>
      <SignatureDt>2022-10-01</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <SigningOfficerGrp>
      <PersonFullName>
        <PersonFirstNm>CHARLES</PersonFirstNm>
        <PersonLastNm>HOLLEY</PersonLastNm>
      </PersonFullName>
      <SSN>999009999</SSN>
    </SigningOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>RANDALL S DAVIS</PreparerPersonNm>
      <PTIN>P10427372</PTIN>
      <PhoneNum>9787648966</PhoneNum>
      <PreparationDt>2022-10-07</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2021</TaxYr>
    <BuildTS>2022-09-23 18:48:47Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="6">
    <IRS990 documentId="RetDoc2" referenceDocumentId="RetDoc5">
      <PrincipalOfficerNm>SHANNON AMES</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>20 ACADEMY STREET SUITE 306</AddressLine1Txt>
        <CityNm>ARLINGTON</CityNm>
        <StateAbbreviationCd>MA</StateAbbreviationCd>
        <ZIPCd>02476</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>3888743</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>false</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>WWW.MYSTICRIVER.ORG</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1976</FormationYr>
      <LegalDomicileStateCd>MA</LegalDomicileStateCd>
      <ActivityOrMissionDesc>TO PROTECT AND RESTORE THE MYSTIC RIVER, ITS TRIBUTARIES AND WATERSHED LANDS FOR THE BENEFIT OF PRESENT AND FUTURE GENERATIONS AND TO CELEBRATE THE VALUE, IMPORTANCE AND GREAT BEAUTY OF THESE NATURAL RESOURCES. MYRWA IS PROTECTING WATER QUALITY, RESTORING IMPORTANT HABITAT, BUILDING CLIMATE RESILIENCE, TRANSFORMING PARKS AND PATHS, AND INSPIRING YOUTH AND COMMUNITY MEMBERS.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>19</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>19</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>17</TotalEmployeeCnt>
      <TotalVolunteersCnt>688</TotalVolunteersCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <PYContributionsGrantsAmt>2388802</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>3770184</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>43650</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>99668</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>20764</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>18891</CYInvestmentIncomeAmt>
      <CYOtherRevenueAmt>0</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>2453216</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>3888743</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>329500</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>700738</CYGrantsAndSimilarPaidAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>784397</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>960646</CYSalariesCompEmpBnftPaidAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>93747</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>541257</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>490273</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>1655154</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>2151657</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>798062</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>1737086</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>2376260</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>4341335</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>209754</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>316212</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>2166506</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>4025123</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <MissionDesc>RESTORE CLEAN WATER IN THE MYSTIC RIVER WATERSHED, PROTECT ITS RESOURCES AND ESTABLISH RELEVANT PUBLIC INFORMATION AND EDUCATION PROGRAMS IN SUPPORT OF ITS MISSION.</MissionDesc>
      <SignificantNewProgramSrvcInd>false</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>false</SignificantChangeInd>
      <ExpenseAmt>1602585</ExpenseAmt>
      <GrantAmt>700738</GrantAmt>
      <Desc>RESTORATION - CLEAN WATER IS KEY TO A HEALTY WATERSHED AND A DIVERSE AND ROBUST RIVER ECOLOGY; WHILE URBAN PARKLANDS PROVIDE AN OPPORTUNITY TO IMPROVE HEALTH OUTCOMES FOR PEOPLE AND EXPANDED HABITAT. THROUGH THIS PROGRAM AREA, THE MYSTIC RIVER WATERSHED ASSOCIATION RUNS A ROBUST WATER QUALITY PROGRAMS, GREENWAYS INITIATIVE, AND INVASIVE PLANT REMOVAL PROGRAM THAT ARE RESTORING THE HEALTH OF THE RIVER AND PARKLANDS.</Desc>
      <ProgSrvcAccomActy2Grp>
        <ExpenseAmt>194211</ExpenseAmt>
        <RevenueAmt>99668</RevenueAmt>
        <Desc>ENVIRONMENTAL EDUCATION AND OUTREACH - THE MYSTIC RIVER WATERSHED ASSOCIATION WORKS TO ENGAGE PEOPLE IN THE LIFE OF THE RIVER AS IT IS IMPORTANT FOR THE HEALTH AND ENVIRONMENT AND COMMUNITY MEMBERS. EFFORTS FOCUS ON ENGAGING VOLUNTEERS IN SCIENCE, HOSTING EDUCATIONAL EVENTS, AND BRINGING THE HERRING MIGRATION INTO LOCAL SCHOOL DISTRICTS THROUGH AN UNDERWATER CAMERA, INNOVATIVE WEB PLATFORM, IN-CLASSROOM CURRICULUM AND FIELD VISITS. MYRWA SECURED 6M IN PUBLIC FUNDING FOR COLLABORATIVE GREENWAYS AND CLIMATE PROJECTS FOR THE WATERSHED. THIS INCLUDES GREEN INFRASTRUCTURE IMPROVEMENTS LIKE INFILTRATION TRENCHES THAT FILTER STORMWATER, CONSTRUCTED WETLANDS THAT PROVIDE HABITAT, PARKS AND REDUCE STORMWATER POLLUTION AND CONNECTED PATHS AND DESIGNS FOR IMPROVED PARKS. MYRWA REACHED 1,000 STUDENTS IN CLASSROOMS ACROSS THE WATERSHED-SHARING THE IMPORTANCE OF KEEPING OUR LOCAL ENVIRONMENT HEALTHY. ADDITIONALLY, 1,600 VOLUNTEERS REMOVED INVASIVE SPECIES FROM THE WATER AND LAND, PICKED UP TRASH AND DOCUMENTED THE RIVER HERRING MIGRATION AND CONDUCTED BASELINE WATER QUALITY MONITORING. MYRWA LAUNCHED THE WICKED HOT MYSTIC PROJECT THAT RESULTED IN HEAT MAPS THAT OUTLINE WHERE IN THE WATERSHED RESIDENTS ARE FACING THE HIGHEST TEMPERATURES, AND WHERE COMMUNITY INFRASTRUCTURE NEEDS TO BE IMPROVED. MYRWA PUBLISHED THE ANNUAL WATER QUALITY REPORT CARD FOR THE WATERSHED AND A REPORT ON HOW TO PROTECT CRITICAL INFRASTRUCTURE AND RESIDENTS IN THE LOWER MYSTIC.</Desc>
      </ProgSrvcAccomActy2Grp>
      <TotalProgramServiceExpensesAmt>1796796</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc6">true</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="RetDoc1">true</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc3">false</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc3">false</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc3">false</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc3">false</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd referenceDocumentId="RetDoc3">false</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc3">true</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc3">false</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc3">false</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc3">false</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc3">false</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc3">false</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc3">true</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc3">false</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <ForeignActivitiesInd>false</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>false</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>false</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>false</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>false</FundraisingActivitiesInd>
      <GamingActivitiesInd>false</GamingActivitiesInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <GrantsToOrganizationsInd referenceDocumentId="RetDoc4">true</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd referenceDocumentId="RetDoc4">false</GrantsToIndividualsInd>
      <ScheduleJRequiredInd>false</ScheduleJRequiredInd>
      <TaxExemptBondsInd>false</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>false</PYExcessBenefitTransInd>
      <LoanOutstandingInd>false</LoanOutstandingInd>
      <GrantToRelatedPersonInd>false</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>false</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>false</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>false</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd>false</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>false</DeductibleArtContributionInd>
      <TerminateOperationsInd>false</TerminateOperationsInd>
      <PartialLiquidationInd>false</PartialLiquidationInd>
      <DisregardedEntityInd>false</DisregardedEntityInd>
      <RelatedEntityInd>false</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd>false</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>true</ScheduleORequiredInd>
      <IRPDocumentCnt>26</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>false</BackupWthldComplianceInd>
      <EmployeeCnt>17</EmployeeCnt>
      <EmploymentTaxReturnsFiledInd>true</EmploymentTaxReturnsFiledInd>
      <UnrelatedBusIncmOverLimitInd>false</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>false</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>false</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>false</QuidProQuoContributionsInd>
      <Form8282PropertyDisposedOfInd>false</Form8282PropertyDisposedOfInd>
      <RcvFndsToPayPrsnlBnftCntrctInd>false</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>false</PayPremiumsPrsnlBnftCntrctInd>
      <Form8899Filedind>false</Form8899Filedind>
      <Form1098CFiledInd>false</Form1098CFiledInd>
      <IndoorTanningServicesInd>false</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>false</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>false</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>19</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>19</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>false</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>false</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>false</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>false</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>true</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>true</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>false</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>true</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>true</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>false</OfficerMailingAddressInd>
      <LocalChaptersInd>false</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>true</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>true</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>true</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>true</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>true</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>true</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>true</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>false</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>false</InvestmentInJointVentureInd>
      <StatesWhereCopyOfReturnIsFldCd>MA</StatesWhereCopyOfReturnIsFldCd>
      <OwnWebsiteInd>X</OwnWebsiteInd>
      <OtherWebsiteInd>X</OtherWebsiteInd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <PersonNm>PATRICK HERRON</PersonNm>
        <PhoneNum>7813163438</PhoneNum>
        <USAddress>
          <AddressLine1Txt>20 ACADEMY STREET SUITE 306</AddressLine1Txt>
          <CityNm>ARLINGTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02476</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>PATRICK HERRON</PersonNm>
        <TitleTxt>EXECUTIVE DI</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>126000</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>9945</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JULIA E WORMSER</PersonNm>
        <TitleTxt>DEPUTY DIR</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>125000</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>9690</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SHANNON AMES</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>5.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>NASSER BRAHIM</PersonNm>
        <TitleTxt>VICE PRESIDE</TitleTxt>
        <AverageHoursPerWeekRt>5.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DAVID BURSON</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>TERRY CARTER</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MEERA DEEAN</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LARRY FELDMAN</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ERIK HANSEN</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CHARLES HOLLEY</PersonNm>
        <TitleTxt>TREASUER</TitleTxt>
        <AverageHoursPerWeekRt>5.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MARK JACOBSON</PersonNm>
        <TitleTxt>CLERK</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BARBARA LANDAU</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MARCIA MANONG</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MONICA NAKIELSKI</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>RICK OLICK</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ERGA PIERRETTE</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JOHN REINHARDT</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BRITNEY SATTERLEE</PersonNm>
        <TitleTxt>BAORD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>5.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JULIE ING STERN</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KARL TOUET</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JOSHUA A WEINBERG</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>251000</TotalReportableCompFromOrgAmt>
      <TotalOtherCompensationAmt>19635</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>2</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>false</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>false</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>false</CompensationFromOtherSrcsInd>
      <GovernmentGrantsAmt>670411</GovernmentGrantsAmt>
      <AllOtherContributionsAmt>3099773</AllOtherContributionsAmt>
      <TotalContributionsAmt>3770184</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>ENVIRONMENTAL EDUCATION</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>99668</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>99668</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>99668</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>18891</TotalRevenueColumnAmt>
        <ExclusionAmt>18891</ExclusionAmt>
      </InvestmentIncomeGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>3888743</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>99668</RelatedOrExemptFuncIncomeAmt>
        <ExclusionAmt>18891</ExclusionAmt>
      </TotalRevenueGrp>
      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>700738</TotalAmt>
        <ProgramServicesAmt>700738</ProgramServicesAmt>
      </GrantsToDomesticOrgsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>286722</TotalAmt>
        <ProgramServicesAmt>185977</ProgramServicesAmt>
        <ManagementAndGeneralAmt>74059</ManagementAndGeneralAmt>
        <FundraisingAmt>26686</FundraisingAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>556438</TotalAmt>
        <ProgramServicesAmt>420502</ProgramServicesAmt>
        <ManagementAndGeneralAmt>87745</ManagementAndGeneralAmt>
        <FundraisingAmt>48191</FundraisingAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>25414</TotalAmt>
        <ProgramServicesAmt>18680</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4463</ManagementAndGeneralAmt>
        <FundraisingAmt>2271</FundraisingAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>13050</TotalAmt>
        <ProgramServicesAmt>10457</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1546</ManagementAndGeneralAmt>
        <FundraisingAmt>1047</FundraisingAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>79022</TotalAmt>
        <ProgramServicesAmt>56972</ProgramServicesAmt>
        <ManagementAndGeneralAmt>15041</ManagementAndGeneralAmt>
        <FundraisingAmt>7009</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>35226</TotalAmt>
        <ManagementAndGeneralAmt>35226</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>287925</TotalAmt>
        <ProgramServicesAmt>269965</ProgramServicesAmt>
        <ManagementAndGeneralAmt>17520</ManagementAndGeneralAmt>
        <FundraisingAmt>440</FundraisingAmt>
      </FeesForServicesOtherGrp>
      <OfficeExpensesGrp>
        <TotalAmt>80274</TotalAmt>
        <ProgramServicesAmt>61494</ProgramServicesAmt>
        <ManagementAndGeneralAmt>14253</ManagementAndGeneralAmt>
        <FundraisingAmt>4527</FundraisingAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>15212</TotalAmt>
        <ProgramServicesAmt>11653</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2701</ManagementAndGeneralAmt>
        <FundraisingAmt>858</FundraisingAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>19070</TotalAmt>
        <ProgramServicesAmt>14609</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3386</ManagementAndGeneralAmt>
        <FundraisingAmt>1075</FundraisingAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>2113</TotalAmt>
        <ProgramServicesAmt>1619</ProgramServicesAmt>
        <ManagementAndGeneralAmt>375</ManagementAndGeneralAmt>
        <FundraisingAmt>119</FundraisingAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>5646</TotalAmt>
        <ProgramServicesAmt>4325</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1003</ManagementAndGeneralAmt>
        <FundraisingAmt>318</FundraisingAmt>
      </ConferencesMeetingsGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>832</TotalAmt>
        <ProgramServicesAmt>637</ProgramServicesAmt>
        <ManagementAndGeneralAmt>148</ManagementAndGeneralAmt>
        <FundraisingAmt>47</FundraisingAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>14304</TotalAmt>
        <ProgramServicesAmt>10957</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2540</ManagementAndGeneralAmt>
        <FundraisingAmt>807</FundraisingAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>BAD DEBT</Desc>
        <TotalAmt>23429</TotalAmt>
        <ProgramServicesAmt>23429</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>MISCELLANEOUS</Desc>
        <TotalAmt>6242</TotalAmt>
        <ProgramServicesAmt>4782</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1108</ManagementAndGeneralAmt>
        <FundraisingAmt>352</FundraisingAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>2151657</TotalAmt>
        <ProgramServicesAmt>1796796</ProgramServicesAmt>
        <ManagementAndGeneralAmt>261114</ManagementAndGeneralAmt>
        <FundraisingAmt>93747</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>1342556</BOYAmt>
        <EOYAmt>1602624</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>225374</BOYAmt>
        <EOYAmt>220476</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
        <BOYAmt>35000</BOYAmt>
        <EOYAmt>722889</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
        <BOYAmt>194419</BOYAmt>
        <EOYAmt>17704</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>8844</BOYAmt>
        <EOYAmt>70975</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>44165</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>44165</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>832</BOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>569235</BOYAmt>
        <EOYAmt>1706667</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <TotalAssetsGrp>
        <BOYAmt>2376260</BOYAmt>
        <EOYAmt>4341335</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>209754</BOYAmt>
        <EOYAmt>134045</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <GrantsPayableGrp>
        <EOYAmt>132478</EOYAmt>
      </GrantsPayableGrp>
      <DeferredRevenueGrp>
        <EOYAmt>49689</EOYAmt>
      </DeferredRevenueGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>209754</BOYAmt>
        <EOYAmt>316212</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>1500193</BOYAmt>
        <EOYAmt>1950542</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>666313</BOYAmt>
        <EOYAmt>2074581</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>2166506</BOYAmt>
        <EOYAmt>4025123</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>2376260</BOYAmt>
        <EOYAmt>4341335</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>1737086</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>121531</NetUnrlzdGainsLossesInvstAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>true</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc6">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>1109569</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>1124038</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1448720</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>2388802</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>3770184</CurrentTaxYearAmt>
        <TotalAmt>9841313</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <GovtFurnSrvcFcltsVl170Grp>
        <CurrentTaxYearMinus4YearsAmt>35718</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>38500</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>59775</CurrentTaxYearMinus2YearsAmt>
        <TotalAmt>133993</TotalAmt>
      </GovtFurnSrvcFcltsVl170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>1145287</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>1162538</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1508495</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>2388802</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>3770184</CurrentTaxYearAmt>
        <TotalAmt>9975306</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>2021412</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>7953894</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>579</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>4501</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>15156</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>19976</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>18891</CurrentTaxYearAmt>
        <TotalAmt>59103</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <TotalSupportAmt>10034409</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>99668</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.79270</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.68140</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="RetDoc3">
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>44165</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>44165</DepreciationAmt>
      </EquipmentGrp>
      <TotalRevEtcAuditedFinclStmtAmt>4010274</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>121531</NetUnrealizedGainsInvstAmt>
      <RevenueNotReportedAmt>121531</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>3888743</RevenueSubtotalAmt>
      <TotalRevenuePerForm990Amt>3888743</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>2151657</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesSubtotalAmt>2151657</ExpensesSubtotalAmt>
      <TotalExpensesPerForm990Amt>2151657</TotalExpensesPerForm990Amt>
    </IRS990ScheduleD>
    <IRS990ScheduleI documentId="RetDoc4">
      <GrantRecordsMaintainedInd>true</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>TOWN OF WINCHESTER</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>C/O OFFICE OF THE TOWN ENGINEER</AddressLine1Txt>
          <AddressLine2Txt>71 MOUNT VERNON STREET</AddressLine2Txt>
          <CityNm>WINCHESTER</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>018902720</ZIPCd>
        </USAddress>
        <RecipientEIN>046001371</RecipientEIN>
        <CashGrantAmt>105545</CashGrantAmt>
        <PurposeOfGrantTxt>ENVIRONMENT RESTORE</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>UNIVERSITY OF NEW HAMPSHIRE</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>105 MAIN STREET</AddressLine1Txt>
          <CityNm>DURHAM</CityNm>
          <StateAbbreviationCd>NH</StateAbbreviationCd>
          <ZIPCd>03824</ZIPCd>
        </USAddress>
        <RecipientEIN>026000937</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>144955</CashGrantAmt>
        <PurposeOfGrantTxt>ENVIRONMENT RESTORE</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>MY BROTHER'S TABLE</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>98 WILLOW STREET</AddressLine1Txt>
          <CityNm>LYNN</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01901</ZIPCd>
        </USAddress>
        <RecipientEIN>042794047</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>50000</CashGrantAmt>
        <PurposeOfGrantTxt>HEAT CONVENING</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>GREENROOTS INC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>227 MARGINAL STREET SUITE 1</AddressLine1Txt>
          <CityNm>CHELSEA</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02150</ZIPCd>
        </USAddress>
        <RecipientEIN>812718273</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>5200</CashGrantAmt>
        <PurposeOfGrantTxt>OUTREACH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>CODMAN SQUARE NEIGHBORHOOD DEVELOPM</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>587 WASHINGTON STREET</AddressLine1Txt>
          <CityNm>DORCHESTER</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02124</ZIPCd>
        </USAddress>
        <RecipientEIN>042752507</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>30000</CashGrantAmt>
        <PurposeOfGrantTxt>HEAT CONVENING</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>BETTER FUTURE PROJECT</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>30 BOW STREET</AddressLine1Txt>
          <CityNm>CAMBRIDGE</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02138</ZIPCd>
        </USAddress>
        <RecipientEIN>471015198</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>29800</CashGrantAmt>
        <PurposeOfGrantTxt>A/C DEPLOYMENTS</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>SELF HELP INC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>45 PEARL STREET</AddressLine1Txt>
          <CityNm>BROCKTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02301</ZIPCd>
        </USAddress>
        <RecipientEIN>042376180</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>31610</CashGrantAmt>
        <PurposeOfGrantTxt>HEAT CONVENING</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>LA COLORORATIVE INC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>318 BORADWAY</AddressLine1Txt>
          <CityNm>CHELSEA</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02150</ZIPCd>
        </USAddress>
        <RecipientEIN>222906521</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>25000</CashGrantAmt>
        <PurposeOfGrantTxt>HEAT CONVENING</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>GREENROOTS INC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>227 MARGINAL STREET SUITE 1</AddressLine1Txt>
          <CityNm>CHELSEA</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02150</ZIPCd>
        </USAddress>
        <RecipientEIN>812718273</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>35000</CashGrantAmt>
        <PurposeOfGrantTxt>HEAT CONVENING</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>GROUNDWORK LAWRENCE INC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>50 ISLAND STREET SUITE 101</AddressLine1Txt>
          <CityNm>LAWRENCE</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01840</ZIPCd>
        </USAddress>
        <RecipientEIN>043546770</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>50000</CashGrantAmt>
        <PurposeOfGrantTxt>HEAT CONVENING</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>LA COMUNIDAD INC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>471 BROADWAY</AddressLine1Txt>
          <CityNm>EVERETT</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02149</ZIPCd>
        </USAddress>
        <RecipientEIN>043470866</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>49588</CashGrantAmt>
        <PurposeOfGrantTxt>HEAT CONVENING</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>GARRISON-TROTTER NEIGHBORHOOD ASSN</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 191938</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02119</ZIPCd>
        </USAddress>
        <RecipientEIN>300419896</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>44000</CashGrantAmt>
        <PurposeOfGrantTxt>COOLING STRATEGIES</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>MUSEUM OF SCIENCE</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1 MUSEUM OF SCIENCE DRIVEWAY</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02114</ZIPCd>
        </USAddress>
        <RecipientEIN>042103916</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>40040</CashGrantAmt>
        <PurposeOfGrantTxt>CONSULT SERV FOR WHM</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>AUTHENTIC CARIBBEAN FOUNDATION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>25 DORCHESTER AVE SUITE 52010</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02205</ZIPCd>
        </USAddress>
        <RecipientEIN>462318562</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>15000</CashGrantAmt>
        <PurposeOfGrantTxt>HEAT CONVENING</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>CHARLESTOWN SPROUTS INC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>63 PEARL ST</AddressLine1Txt>
          <CityNm>CHARLESTOWN</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>021291918</ZIPCd>
        </USAddress>
        <RecipientEIN>043422150</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>45000</CashGrantAmt>
        <PurposeOfGrantTxt>GARDEN REHABILITATIO</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>9</Total501c3OrgCnt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE I, PAGE 1, PART I, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION MONITORS THE USE OF GRANT FUNDS BY REQUIRING EACH AWARDEE TO PROVIDE INFORMATION ABOUT THE USE OF THE FUNDS IN A SURVEY.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleO documentId="RetDoc5">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 2, PART III, LINE 4B</FormAndLineReferenceDesc>
        <ExplanationTxt>ENVIRONMENTAL EDUCATION AND OUTREACH - THE MYSTIC RIVER WATERSHED ASSOCIATION WORKS TO ENGAGE PEOPLE IN THE LIFE OF THE RIVER AS IT IS IMPORTANT FOR THE HEALTH AND ENVIRONMENT AND COMMUNITY MEMBERS. EFFORTS FOCUS ON ENGAGING VOLUNTEERS IN SCIENCE, HOSTING EDUCATIONAL EVENTS, AND BRINGING THE HERRING MIGRATION INTO LOCAL SCHOOL DISTRICTS THROUGH AN UNDERWATER CAMERA, INNOVATIVE WEB PLATFORM, IN-CLASSROOM CURRICULUM AND FIELD VISITS. MYRWA SECURED 6M IN PUBLIC FUNDING FOR COLLABORATIVE GREENWAYS AND CLIMATE PROJECTS FOR THE WATERSHED. THIS INCLUDES GREEN INFRASTRUCTURE IMPROVEMENTS LIKE INFILTRATION TRENCHES THAT FILTER STORMWATER, CONSTRUCTED WETLANDS THAT PROVIDE HABITAT, PARKS AND REDUCE STORMWATER POLLUTION AND CONNECTED PATHS AND DESIGNS FOR IMPROVED PARKS. MYRWA REACHED 1,000 STUDENTS IN CLASSROOMS ACROSS THE WATERSHED-SHARING THE IMPORTANCE OF KEEPING OUR LOCAL ENVIRONMENT HEALTHY. ADDITIONALLY, 1,600 VOLUNTEERS REMOVED INVASIVE SPECIES FROM THE WATER AND LAND, PICKED UP TRASH AND DOCUMENTED THE RIVER HERRING MIGRATION AND CONDUCTED BASELINE WATER QUALITY MONITORING. MYRWA LAUNCHED THE WICKED HOT MYSTIC PROJECT THAT RESULTED IN HEAT MAPS THAT OUTLINE WHERE IN THE WATERSHED RESIDENTS ARE FACING THE HIGHEST TEMPERATURES, AND WHERE COMMUNITY INFRASTRUCTURE NEEDS TO BE IMPROVED. MYRWA PUBLISHED THE ANNUAL WATER QUALITY REPORT CARD FOR THE WATERSHED AND A REPORT ON HOW TO PROTECT CRITICAL INFRASTRUCTURE AND RESIDENTS IN THE LOWER MYSTIC.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>ANY INDIVIDUAL MAY BECOME A MEMBER OF THE CORPORATION BY MAKING AN ANNUAL FINANCIAL CONTRIBUTION OR BY VOLUNTEERING WITHIN THE PERIOD SINCE THE LAST ANNUAL MEETING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>ORGANIZATION HAS MEMBERS THAT MAY ELECT GOVERNING BODY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 IS PROVIDED FOR REVIEW TO ALL BOARD MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ANNUAL REPORTING OF POSSIBLE CONFLICTS ARE FILED, REVIEWED AND HELD BY SECRTARY OF THE ORGANIZATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE GOVERNANCE COMMITTEE UNDERTAKES A PROCESS EACH YEAR TO REVIEW THE PERFORMANCE OF THE EXECUTIVE DIRECTOR AND ASSESSES BENCHMARK VALUES TO DETERMINE SALARY, AND THEN VOTE AS A BOARD ON APPROVING A SALARY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION PROVIDES TO THE PUBLIC THE APPLICABLE GOVERNING DOCUMENTS CONFLICTS OF INTEREST POLICY, AND FINANCIAL STATEMENTS, UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER FEES 269,965 17,520 440</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
