2026-06-22T15:45:07-04:00 2025-12-31 463169148 DAVISKELLY LLP 42 MILL ROAD WILMINGTON MA 01887 990 2025-01-01 237221094 MYSTIC RIVER WATERSHED ASSOCIATION INC MYST 6178656580 23 MAPLE STREET ARLINGTON MA 02476 KELLY RYAN TREASURER 7813163438 2026-06-18 true RANDALL S DAVIS P10427372 9787648966 2026-06-22 2025 2025-03-06 01:10:19Z BRITNEY SATTERLEE 23 MAPLE ST ARLINGTON MA 02476 7563513 false X WWW.MYSTICRIVER.ORG X 1976 MA 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. 16 16 30 2195 0 5887047 4151660 310804 845550 289818 655984 0 6487669 5653194 897861 398381 0 1972923 2098780 0 125511 3775286 2838586 6646070 5335747 -158401 317447 10795076 11102274 1248193 1199698 9546883 9902576 X 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. false false 1701829 197488 RESTORATION & RECREATION. MYRWA USES SCIENCE AND ADVOCACY TO PROTECT WATER QUALITY, RESTORE IMPORTANT HABITAT INCLUDING FOR RIVER HERRING, BUILD CLIMATE RESILIENCE ACROSS THE WATERSHED AND CONNECT 25 MILES OF PATHS AND IMPROVE SIX PARKS IN OUR WATERSHED. FROM BUILDING NEW PARKS, TO PILOTING GREEN INFRASTRUCTURE IN PARTNERSHIP WITH OUR MUNICIPALITIES-THESE EFFORTS PROTECT BOTH PEOPLE AND PLACES. 464858 7016 845550 EDUCATION AND VOLUNTEER STEWARDSHIP. MYRWA EDUCATES MORE THAN 2,000 YOUTH THROUGH EFFECTIVE PLACE-BASED PROGRAMMING IN SCHOOLS AND AFTER-SCHOOL PROGRAMS AND ENGAGES 1,800 VOLUNTEERS IN CLEANING UP AND CARING FOR OUR PARKS. 2558788 193877 CLIMATE RESILIENCY. MYRWA FOUNDED THE RESILIENT MYSTIC COLLABORATIVE IN PARTNERSHIP WITH 20 MUNICIPAL PARTNERS TO DEVELOP REGIONAL PROJECTS THAT CREATE HEALTHIER, AND MORE CLIMATE RESILIENT COMMUNITIES. THE RMC COMMUNITIES HAVE SECURED >50M EARMARKS AND STATE GRANTS TO ADDRESS STORMWATER FLOODING, URBAN HEAT ISLANDS AND SEA-LEVEL RISE. 4725475 true true false false false false false false false false true false false false true false true false false false false false false false false false false true false true false false false false false false false false false false false false false false false false false true 85 0 false 30 true false false false false false false false false false false false false false false X 16 16 false false false false true true false true true false false true true true true true true true false false MA X X X PATRICK HERRON 7813163438 23 MAPLE STREET ARLINGTON MA 02476 PATRICK HERRON EXECUTIVE DI 40.00 X 166938 0 32718 NASSER BRAHIM DIR CLIMATE 40.00 X 120077 0 5992 MICHELLE LIEBETREU DEV & COMMUN 40.00 X 121939 0 0 VICTOR CASTRO VP & ASST CL 5.00 X X 0 0 0 WILLIAM T DENMAN BOARD MEMBER 5.00 X 0 0 0 RYAN DINGS BOARD MEMBER 5.00 X 0 0 0 MONICA DRIGGERS BOARD MEMBER 5.00 X 0 0 0 KAREN COLON HAYES BOARD MEMBER 5.00 X 0 0 0 CHARLES HOLLEY BOARD MEMBER 5.00 X X 0 0 0 MARCIA MANONG BOARD MEMBER 5.00 X 0 0 0 BEATRIZ GOMEZ MOUAKAD BOARD MEMBER 5.00 X 0 0 0 PRABITHA NATARAJAN BOARD MEMBER 5.00 X 0 0 0 ERGA PIERRETTE BOARD MEMBER 5.00 X 0 0 0 HELEN QUACH SECRETARY 5.00 X X 0 0 0 JOHN REINHARDT BOARD MEMBER 5.00 X 0 0 0 KELLY RYAN TREASURER 5.00 X X 0 0 0 BRITNEY SATTERLEE PRESIDENT 5.00 X X 0 0 0 RACHEL SORLIEN BOARD MEMBER 5.00 X 0 0 0 JULIE ING STERN BOARD MEMBER 5.00 X 0 0 0 408954 38710 3 false true false OFFSHOOTS INC 547 RUTHERFORD AVE CHARLESTOWN MA 02129 DESIGN 311599 TIGHE & BOND INC 53 SOUTHHAMPTON ROAD WESTFIELD MA 01085 ARCHITECTURE 265643 HDR ENGINEERING INC 1917 S 67TH STREET OMAHA NE 68106 CONSTRUCTION 209117 BSC GROUP INC 803 SUMMER STREET SUITE 610 BOSTON MA 02127 DESIGN 138965 HORSELY WITTEN GROUP INC 90 ROUTE 6A UNIT 1 SANDWICH MA 02563 DESIGN 133528 5 1491438 2660222 4151660 ENVIRONMENTAL EDUCATION 541900 845550 845550 845550 273999 273999 2292304 1910319 381985 381985 381985 5653194 1227535 273999 X 398381 398381 321044 144470 131628 44946 1435542 1354006 21246 60290 53437 51532 829 1076 123814 112940 8357 2517 164943 151620 9598 3725 38030 14115 23915 75865 75865 2271154 2183473 83770 3911 184285 165038 17387 1860 37350 15092 16270 5988 56353 3102 53251 13064 12416 550 98 111886 107711 3302 873 15983 7130 8853 22272 856 21416 MISCELLANEOUS 12344 3593 8524 227 5335747 4725475 484761 125511 339711 258093 449476 458304 1930748 540503 122082 177483 11426 13806 98278 34656 79605 63622 7617754 9376831 244274 213632 10795076 11102274 308051 374259 600000 600000 93624 7500 246518 217939 1248193 1199698 X 6140186 5810213 3406697 4092363 9546883 9902576 10795076 11102274 317447 38246 X false true X true false X 3770184 3436796 7891490 5887047 4151660 25137177 3770184 3436796 7891490 5887047 4151660 25137177 10841158 14296019 18891 64398 192817 289818 273999 839923 23429 23429 26000529 1558974 0.54980 0.57210 X PART II, LINE 10 RECOVERY OF PRIOR WRITE OFFS 23,429 RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED 61970 16766 45204 36308 17890 18418 63622 RIGHT OF USE LEASE LIABILITY 217939 217939 5712291 38246 20851 59097 5653194 5653194 5356598 20851 20851 5335747 5335747 true GREENROOTS INC 227 MARGINAL STREET SUITE 1 CHELSEA MA 02150 812718273 501C3 15146 HEAT CONVENING WEST MEDFORD COMMUNITY CENTER INC 111 ARLINGTON ST MEDFORD MA 02155 042117506 501C3 6350 HEAT CONVENING CAMBRIDGE HEALTH ALLIANCE 350 MAIN STREET SUITE 31 MALDEN MA 02148 043320571 501C3 15000 CLEAN AIR TRUSTEES OF TUFTS COLLEGE 80 GEORGE STREET MEDFORD MA 02155 042103634 501C3 20000 CLEAN AIR FIELD OF GREEN (VIA ARTHUR KURTZ) 10 OLD COLONY ROAD LINCOLN MA 01773 201425652 12100 ENV. RESTORATION EVERETTE COMMUNITY GROWERS 471BROADWAY SUITE 8 EVERETT MA 02149 043470866 501C3 67796 COVID SAFE COOLING CITY OF MEDFORD 85 GEORGE P HASSETT DR RM 304 MEDFORD MA 02155 046001400 GOV 12213 CLIMATE RESILIANCE FRIENDS OF BELLE ISLE MARCH 130 WASHINGTON AVE WIINTHROP MA 02152 222544075 501C3 22934 EDUCATION CHINESE CULTURE CONNECTION INC 6 PLEASANT STREET SUITE 408 MALDEN MA 02148 043103223 501C 22250 EPA COLLAB GRANT KNOW YOUR NEIGHBOR WOBURN INC 45 ROBINSTON ROAD WOBURN MA 01801 922356867 501C3 6000 CLIMATE RESILIANCE CITY OF BOSTON 43 HAWKINS STREET BOSTON MA 02210 046006386 GOV 130000 GREENWAYS GROUNDWORK SOMERVILLE INC 337 SOMERVILLE AVE SOMERVILLE MA 02143 043537152 501C3 14113 CLIMATE RESILIENCE STEELE COMMUNITY HOUSE TENANT ASSOC 1 NASON DRIVE MELROSE MA 02176 046214462 501C3 6000 CLIMATE RESILIENCE THE ISLAMIC CENTER OF BURLINGTON 130 LEXINGTON STREET BURLINGTON MA 01803 043487197 501C3 6000 CLIMATE RESILIENCE 13 1 SCHEDULE I, PAGE 1, PART I, LINE 2 THE ORGANIZATION MONITORS THE USE OF GRANT FUNDS BY REQUIRING EACH AWARDEE TO PROVIDE INFORMATION ABOUT THE USE OF THE FUNDS IN A SURVEY. X X X false false false false false false false false false PATRICK HERRON EXECUTIVE DIRECTOR 166938 32718 199656 FORM 990 - ORGANIZATION'S MISSION 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. FORM 990, PAGE 6, PART VI, LINE 6 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. FORM 990, PAGE 6, PART VI, LINE 7A ORGANIZATION HAS MEMBERS THAT MAY ELECT GOVERNING BODY. FORM 990, PAGE 6, PART VI, LINE 11B FORM 990 IS PROVIDED FOR REVIEW TO ALL BOARD MEMBERS. FORM 990, PAGE 6, PART VI, LINE 12C ANNUAL REPORTING OF POSSIBLE CONFLICTS ARE FILED, REVIEWED AND HELD BY SECRTARY OF THE ORGANIZATION. FORM 990, PAGE 6, PART VI, LINE 15A 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. FORM 990, PAGE 6, PART VI, LINE 19 THE ORGANIZATION PROVIDES TO THE PUBLIC THE APPLICABLE GOVERNING DOCUMENTS CONFLICTS OF INTEREST POLICY, AND FINANCIAL STATEMENTS, UPON REQUEST. FORM 990, PART IX, LINE 11G RECRUITING 0 495 0 PAYROLL 0 49,645 0 CONSULTANTS 366,540 33,630 3,911 ENGINEERING DESIGN 1,453,596 0 0 FACILITATOR 157,719 0 0 CONSTRUCTION 115,788 0 0 COMMUNICATIONS 89,830 0 0 TOTAL 2,183,473 83,770 3,911