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        <CashGrantAmt>50000</CashGrantAmt>
        <PurposeOfGrantTxt>HEAT CONVENING</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>RYERSON DESIGN</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>96 FRANKLIN ST</AddressLine1Txt>
          <CityNm>ALLSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02134</ZIPCd>
        </USAddress>
        <RecipientEIN>043323810</RecipientEIN>
        <CashGrantAmt>11750</CashGrantAmt>
        <PurposeOfGrantTxt>HEAT CONVENING</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>7</Total501c3OrgCnt>
      <TotalOtherOrgCnt>7</TotalOtherOrgCnt>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>STIPENDS</GrantTypeTxt>
        <RecipientCnt>26</RecipientCnt>
        <CashGrantAmt>37300</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <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>
    <IRS990ScheduleJ documentId="RetDoc5">
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>false</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>false</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>false</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>false</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>false</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>false</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>false</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>false</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>false</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>PATRICK HERRON</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>149923</BaseCompensationFilingOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>17664</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>167587</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc6">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 - ORGANIZATION'S MISSION</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MYSTIC RIVER WATERSHED IS A NETWORK OF RIVERS, STREAMS AND PONDS THAT ALL FLOW INTO THE MYSTIC RIVER AND ULTIMATELY BOSTON HARBOR. HOME TO 600,000 RESIDENTS, THE MYSTIC RIVER WATERSHED ASSOCIATION IS THE ONLY ORGANIZATION WORKING TO PROTECT AND RESTORE THIS WATERSHED; AND ENGAGE AND EDUCATE RESIDENTS.</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 44,865 6,686 0 ENGINEERING DESIGN 516,289 0 0 FACILITATION 205,583 0 0 CONSTRUCTION 339,480 0 0 COMMUNICATIONS 190,455 0 0 TOTAL 1,296,672 6,686 0</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>