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        <PersonNm>MATTHEW JOHNSTON</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR</TitleTxt>
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        <DeferredCompensationFlngOrgAmt>3534</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>19936</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>160470</TotalCompensationFilingOrgAmt>
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        <NonCashCheckboxInd>X</NonCashCheckboxInd>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part III, Line 4d</FormAndLineReferenceDesc>
        <ExplanationTxt>Program Service Expenses 0, Grants and allocations 0, Revenue 0 ARUNDEL RIVERS ALSO ENGAGES HUNDREDS OF VOLUNTEERS AND YOUNG PEOPLE EACH YEAR TO PLANT TREES, CLEAN UP RIVERS, MAP SUBAQUATIC VEGETATION, RAISE YOUNG OYSTERS FOR OYSTER REEF RESTORATION, AND PROVIDE ENVIRONMENTAL EDUCATIONAL OPPORTUNITIES FOR THE NEXT GENERATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 7</FormAndLineReferenceDesc>
        <ExplanationTxt>FEDERATION MEMBERS, AS DEFINED IN ARTICLE III, SECTION 1 OF THE BYLAWS, APPROVE BYLAW CHANGES. FOR ALL OTHER VOTING PURPOSES, THE DIRECTORS EXERCISE THE RIGHTS AND POWERS OF MEMBERS OF THE CORPORATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 11</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM WAS PROVIDED TO THE FINANCE COMMITTEE AND THE EXECUTIVE COMMITTEE FOR THEIR REVIEW AND APPROVAL, AND COPIES WERE PROVIDED TO THE FULL BOARD, BEFORE THE RETURN WAS FILED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>BOARD MEMBERS AND STAFF ARE REQUIRED TO REVIEW THE CONFLICT OF INTEREST POLICY ANNUALLY AND TO DISCLOSE ANY ACTUAL OR POTENTIAL CONFLICTS AS THEY MAY ARISE. ANY TRANSACTION THAT RAISES A POTENTIAL CONFLICT OF INTEREST MUST BE REVIEWED AND APPROVED BY THE DISINTERESTED DIRECTORS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE DIRECTORS SALARY IS REVIEWED BY THE EXECUTIVE COMMITTEE OF THE BOARD AND COMPARED AGAINST THE SALARY DATA COMPILED FROM 990S OF SIMILARLY SITUATED EXECUTIVE DIRECTORS OF OTHER REGIONAL NON-PROFITS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FEDERATIONS BYLAWS, CONFLICT OF INTEREST POLICY AND STRATEGIC PLAN ARE AVAILABLE ON THE ORGANIZATIONS WEBSITE. THE FEDERATIONS 990 REPORTS ARE PUBLICLY AVAILABLE ONLINE FROM THE IRS AND OTHER SOURCES AND WILL BE POSTED ON ITS WEBSITE.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, Line 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>11G RESTORATION PROFESSIONAL FEES 2,329,471 ADMIN PROFESSIONAL FEES 5,057,FUNDRASING PROFESSIONAL FEES 9,829</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part X, Line 28</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FEDERATION ROUTINELY MANAGES THE CONSTRUCTION OF MULTI-YEAR, GRANT-FUNDED WATER QUALITY RESTORATION PROJECTS TO PREVENT SEDIMENT AND NUTRIENTS FROM POLLUTING THE SOUTH, WEST, AND RHODE RIVERS. CONSTRUCTION AND GRANT MANAGEMENT COSTS FOR THESE MULTI-YEAR PROJECTS ARE FUNDED BY NET ASSETS WITH DONOR RESTRICTIONS. IT IS COMMON FOR THESE NET ASSETS WITH DONOR RESTRICTIONS TO FLUCTUATE SIGNIFICANTLY FROM YEAR TO YEAR, INCREASING IN YEARS WHEN AWARDS FOR MULTIPLE, LARGE-SCALE RESTORATION PROJECTS ARE RECEIVED AND DECREASING IN YEARS WHEN CONSTRUCTION AND MANAGEMENT OF MULTIPLE, LARGE-SCALE RESTORATION PROJECTS OCCURS</ExplanationTxt>
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