Grants paid by Mystic River Watershed Association
EIN 23-7221094 · Arlington, MA · Form 990, Schedule I · NTEE C600
Mystic River Watershed Association of Arlington, MA (EIN 23-7221094) reported 76 grants paid totaling $3,249,477 to 39 recipients in tax years 2020–2025, on Form 990, Schedule I. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$3,249,477
76 grants
Recipients
39
distinct organizations
Tax years
2020–2025
6 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2020 | 9 | $329,500 | — |
| 2021 | 15 | $700,738 | — |
| 2022 | 13 | $537,047 | — |
| 2023 | 11 | $438,237 | — |
| 2024 | 14 | $888,053 | — |
| 2025 | 14 | $355,902 | — |
Top recipients
The 39 recipients receiving the most from Mystic River Watershed Association, by grants paid, out of 39 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| City of Malden | U | Malden, MA | 1 | $600,000 | 2024 |
| La Comunidad Inc 04-3470866 | A | Everett, MA | 6 | $286,682 | 2025 |
| Greenroots Inc 81-2718273 | A | Chelsea, MA | 6 | $252,906 | 2025 |
| Garrison-Trotter Neighborhood Assoc 30-0419896 | A | Boston, MA | 4 | $179,000 | 2023 |
| My Brother's Table Inc 04-2794047 | A | Lynn, MA | 4 | $175,000 | 2023 |
| Codman Square Neighborhood Developm 04-2752507 | A | Dorchester, MA | 4 | $173,433 | 2023 |
| University of New Hampshire 02-6000937 | A | Durham, NH | 2 | $159,137 | 2022 |
| Groundwork Lawrence Inc 04-3546770 | A | Lawrence, MA | 3 | $150,000 | 2022 |
| City of Boston | U | Boston, MA | 1 | $130,000 | 2025 |
| La Colororative Inc 22-2906521 | A | Chelsea, MA | 3 | $125,000 | 2023 |
| Self Help Inc 04-2376180 | A | Brockton, MA | 3 | $120,720 | 2023 |
| Town of Winchester | U | Winchester, MA | 1 | $105,545 | 2021 |
| Dorchester Bay Economic Development 04-2681632 | A | Boston, MA | 2 | $90,000 | 2023 |
| Authentic Caribbean Foundation 46-2318562 | A | Boston, MA | 3 | $88,660 | 2023 |
| Everett Community Growers 87-3930983 | A | Everett, MA | 2 | $78,549 | 2023 |
| Better Future Project Inc 47-1015198 | A | Cambridge, MA | 2 | $63,800 | 2021 |
| Boys & Girls Clubs of Boston Inc 04-2103922 | A | Boston, MA | 2 | $54,600 | 2023 |
| Charlestown Sprouts Inc 04-3422150 | A | Charlestown, MA | 1 | $45,000 | 2021 |
| Friends of Belle Isle March 22-2544075 | A | Wiinthrop, MA | 2 | $43,262 | 2025 |
| Museum of Science 04-2103916 | A | Boston, MA | 1 | $40,040 | 2021 |
| Trustees of Tufts College 04-2103634 | A | Medford, MA | 2 | $40,000 | 2025 |
| Self Help Inc 85-0209449 | A | Los Alamos, NM | 1 | $35,000 | 2020 |
| Cambridge Health Alliance 04-3320571 | A | Malden, MA | 2 | $27,000 | 2025 |
| Field of Green (via Arthur Kurtz) 20-1425652 | A | Lincoln, MA | 2 | $24,150 | 2025 |
| Chinese Culture Connection Inc 04-3103223 | A | Malden, MA | 1 | $22,250 | 2025 |
| City of Medford | U | Medford, MA | 2 | $18,213 | 2025 |
| Pangeaseed Foundation 47-2605555 | A | Hilo, HI | 1 | $15,500 | 2020 |
| Groundwork Somerville Inc 04-3537152 | A | Somerville, MA | 1 | $14,113 | 2025 |
| Ryerson Design 04-3323810 | A | Allston, MA | 1 | $11,750 | 2023 |
| Charles River Watershed Association 04-6136989 | A | Boston, MA | 1 | $10,827 | 2024 |
| Neponsit River Watershed Assoc 23-7135204 | A | Canton, MA | 1 | $10,471 | 2024 |
| North & South Rivers Watershed Ass 23-7181992 | A | Norwell, MA | 1 | $9,884 | 2024 |
| Oars Inc 04-2963426 | A | Concord, MA | 1 | $8,927 | 2024 |
| Nashua River Watershed Assoc 23-7055674 | A | Groton, MA | 1 | $8,893 | 2024 |
| Cohasset Center for Student Res 04-3404377 | A | Cohasset, MA | 1 | $6,815 | 2024 |
| West Medford Community Center Inc 04-2117506 | A | Medford, MA | 1 | $6,350 | 2025 |
| Know Your Neighbor Woburn Inc 92-2356867 | A | Woburn, MA | 1 | $6,000 | 2025 |
| Steele Community House Tenant Assoc 04-6214462 | A | Melrose, MA | 1 | $6,000 | 2025 |
| The Islamic Center of Burlington 04-3487197 | A | Burlington, MA | 1 | $6,000 | 2025 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Every grant
All 76 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | City of Boston Boston, MA | U | $130,000 | paid | GREENWAYS | 202601739349301010 |
| 2025 | Everette Community Growers Everett, MA | A | $67,796 | paid | COVID SAFE COOLING | 202601739349301010 |
| 2025 | Friends of Belle Isle March Wiinthrop, MA | A | $22,934 | paid | EDUCATION | 202601739349301010 |
| 2025 | Chinese Culture Connection Inc Malden, MA | A | $22,250 | paid | EPA COLLAB GRANT | 202601739349301010 |
| 2025 | Trustees of Tufts College Medford, MA | A | $20,000 | paid | CLEAN AIR | 202601739349301010 |
| 2025 | Greenroots Inc Chelsea, MA | A | $15,146 | paid | HEAT CONVENING | 202601739349301010 |
| 2025 | Cambridge Health Alliance Malden, MA | A | $15,000 | paid | CLEAN AIR | 202601739349301010 |
| 2025 | Groundwork Somerville Inc Somerville, MA | A | $14,113 | paid | CLIMATE RESILIENCE | 202601739349301010 |
| 2025 | City of Medford Medford, MA | U | $12,213 | paid | CLIMATE RESILIANCE | 202601739349301010 |
| 2025 | Field of Green (via Arthur Kurtz) Lincoln, MA | A | $12,100 | paid | ENV. RESTORATION | 202601739349301010 |
| 2025 | West Medford Community Center Inc Medford, MA | A | $6,350 | paid | HEAT CONVENING | 202601739349301010 |
| 2025 | The Islamic Center of Burlington Burlington, MA | A | $6,000 | paid | CLIMATE RESILIENCE | 202601739349301010 |
| 2025 | Know Your Neighbor Woburn Inc Woburn, MA | A | $6,000 | paid | CLIMATE RESILIANCE | 202601739349301010 |
| 2025 | Steele Community House Tenant Assoc Melrose, MA | A | $6,000 | paid | CLIMATE RESILIENCE | 202601739349301010 |
| 2024 | City of Malden Malden, MA | U | $600,000 | paid | PARK CONSTRUCTION | 202522679349300802 |
| 2024 | Greenroots Inc Chelsea, MA | A | $97,560 | paid | HEAT CONVENING | 202522679349300802 |
| 2024 | Everette Community Growers Everett, MA | A | $64,298 | paid | COVID SAFE COOLING | 202522679349300802 |
| 2024 | Friends of Belle Isle March Wiinthrop, MA | A | $20,328 | paid | EDUCATION | 202522679349300802 |
| 2024 | Trustees of Tufts College Medford, MA | A | $20,000 | paid | CLEAN AIR | 202522679349300802 |
| 2024 | Field of Green (via Arthur Kurtz) Lincoln, MA | A | $12,050 | paid | ENV. RESTORATION | 202522679349300802 |
| 2024 | Cambridge Health Alliance Malden, MA | A | $12,000 | paid | CLEAN AIR | 202522679349300802 |
| 2024 | Charles River Watershed Association Boston, MA | A | $10,827 | paid | ENV. RESTORATION | 202522679349300802 |
| 2024 | Neponsit River Watershed Assoc Canton, MA | A | $10,471 | paid | ENV. RESTORATION | 202522679349300802 |
| 2024 | North & South Rivers Watershed Ass Norwell, MA | A | $9,884 | paid | ENV. RESTORATION | 202522679349300802 |
| 2024 | Oars Inc Concord, MA | A | $8,927 | paid | ENV. RESTORATION | 202522679349300802 |
| 2024 | Nashua River Watershed Assoc Groton, MA | A | $8,893 | paid | ENV. RESTORATION | 202522679349300802 |
| 2024 | Cohasset Center for Student Res Cohasset, MA | A | $6,815 | paid | ENV. RESTORATION | 202522679349300802 |
| 2024 | City of Medford Medford, MA | U | $6,000 | paid | CLIMATE RESILIANCE | 202522679349300802 |
| 2023 | Codman Square Neighborhood Developm Dorchester, MA | A | $58,433 | paid | HEAT CONVENING | 202402739349300205 |
| 2023 | My Brother's Table Lynn, MA | A | $50,000 | paid | HEAT CONVENING | 202402739349300205 |
| 2023 | Garrison-Trotter Neighborhood Assoc Boston, MA | A | $50,000 | paid | HEAT CONVENING | 202402739349300205 |
| 2023 | La Colororative Inc Chelsea, MA | A | $50,000 | paid | HEAT CONVENING | 202402739349300205 |
| 2023 | Dorchester Bay Economic Development Boston, MA | A | $45,000 | paid | SAFE COOLING | 202402739349300205 |
| 2023 | Self Help Inc Brockton, MA | A | $44,555 | paid | HEAT CONVENING | 202402739349300205 |
| 2023 | Authentic Caribbean Foundation Boston, MA | A | $36,830 | paid | HEAT CONVENING | 202402739349300205 |
| 2023 | La Comunidad Inc Everett, MA | A | $35,000 | paid | HEAT CONVENING | 202402739349300205 |
| 2023 | Everett Community Growers Everett, MA | A | $29,369 | paid | COOLING STRATEGIES | 202402739349300205 |
| 2023 | Boys & Girls Clubs of Boston Inc Boston, MA | A | $27,300 | paid | SAFE COOLING | 202402739349300205 |
| 2023 | Ryerson Design Allston, MA | A | $11,750 | paid | HEAT CONVENING | 202402739349300205 |
| 2022 | La Colororative Inc Chelsea, MA | A | $50,000 | paid | HEAT CONVENING | 202312649349300321 |
| 2022 | Codman Square Neighborhood Developm Dorchester, MA | A | $50,000 | paid | HEAT CONVENING | 202312649349300321 |
| 2022 | My Brother's Table Lynn, MA | A | $50,000 | paid | HEAT CONVENING | 202312649349300321 |
| 2022 | Groundwork Lawrence Inc Lawrence, MA | A | $50,000 | paid | HEAT CONVENING | 202312649349300321 |
| 2022 | Greenroots Inc Chelsea, MA | A | $50,000 | paid | HEAT CONVENING | 202312649349300321 |
| 2022 | Everett Community Growers Everett, MA | A | $49,180 | paid | COOLING STRATEGIES | 202312649349300321 |
| 2022 | Dorchester Bay Economic Development Boston, MA | A | $45,000 | paid | SAFE COOLING | 202312649349300321 |
| 2022 | Self Help Inc Brockton, MA | A | $44,555 | paid | HEAT CONVENING | 202312649349300321 |
| 2022 | Authentic Caribbean Foundation Boston, MA | A | $36,830 | paid | HEAT CONVENING | 202312649349300321 |
| 2022 | Garrison-Trotter Neighborhood Assn Boston, MA | A | $35,000 | paid | COOLING STRATEGIES | 202312649349300321 |
| 2022 | La Comunidad Inc Everett, MA | A | $35,000 | paid | HEAT CONVENING | 202312649349300321 |
| 2022 | Boys & Girls Clubs of Boston Inc Boston, MA | A | $27,300 | paid | SAFE COOLING | 202312649349300321 |
| 2022 | University of New Hampshire Durham, NH | A | $14,182 | paid | ENVIRONMENT RESTORE | 202312649349300321 |
| 2021 | University of New Hampshire Durham, NH | A | $144,955 | paid | ENVIRONMENT RESTORE | 202242809349300124 |
| 2021 | Town of Winchester Winchester, MA | U | $105,545 | paid | ENVIRONMENT RESTORE | 202242809349300124 |
| 2021 | Groundwork Lawrence Inc Lawrence, MA | A | $50,000 | paid | HEAT CONVENING | 202242809349300124 |
| 2021 | My Brother's Table Lynn, MA | A | $50,000 | paid | HEAT CONVENING | 202242809349300124 |
| 2021 | La Comunidad Inc Everett, MA | A | $49,588 | paid | HEAT CONVENING | 202242809349300124 |
| 2021 | Charlestown Sprouts Inc Charlestown, MA | A | $45,000 | paid | GARDEN REHABILITATIO | 202242809349300124 |
| 2021 | Garrison-Trotter Neighborhood Assn Boston, MA | A | $44,000 | paid | COOLING STRATEGIES | 202242809349300124 |
| 2021 | Museum of Science Boston, MA | A | $40,040 | paid | CONSULT SERV FOR WHM | 202242809349300124 |
| 2021 | Greenroots Inc Chelsea, MA | A | $35,000 | paid | HEAT CONVENING | 202242809349300124 |
| 2021 | Self Help Inc Brockton, MA | A | $31,610 | paid | HEAT CONVENING | 202242809349300124 |
| 2021 | Codman Square Neighborhood Developm Dorchester, MA | A | $30,000 | paid | HEAT CONVENING | 202242809349300124 |
| 2021 | Better Future Project Cambridge, MA | A | $29,800 | paid | A/C DEPLOYMENTS | 202242809349300124 |
| 2021 | La Colororative Inc Chelsea, MA | A | $25,000 | paid | HEAT CONVENING | 202242809349300124 |
| 2021 | Authentic Caribbean Foundation Boston, MA | A | $15,000 | paid | HEAT CONVENING | 202242809349300124 |
| 2021 | Greenroots Inc Chelsea, MA | A | $5,200 | paid | OUTREACH | 202242809349300124 |
| 2020 | Greenroots Inc Chelsea, MA | A | $50,000 | paid | HEAT SOLUTIONS | 202142319349301309 |
| 2020 | Garrison-Trotter Neighborhood Assoc Boston, MA | A | $50,000 | paid | HEAT SOLUTIONS | 202142319349301309 |
| 2020 | Groundwork Lawrence Inc Lawrence, MA | A | $50,000 | paid | HEAT SOLUTIONS | 202142319349301309 |
| 2020 | La Comunidad Inc Everett, MA | A | $35,000 | paid | HEAT SOLUTIONS | 202142319349301309 |
| 2020 | Codman Square Neighborhood Developm Dorchester, MA | A | $35,000 | paid | HEAT SOLUTIONS | 202142319349301309 |
| 2020 | Self Help Inc Los Alamos, NM | A | $35,000 | paid | HEAT SOLUTIONS | 202142319349301309 |
| 2020 | Better Future Project Inc Cambridge, MA | A | $34,000 | paid | HEAT SOLUTIONS | 202142319349301309 |
| 2020 | My Brother's Table Inc Lynn, MA | A | $25,000 | paid | HEAT SOLUTIONS | 202142319349301309 |
| 2020 | Pangeaseed Foundation Hilo, HI | A | $15,500 | paid | TWO MURALS | 202142319349301309 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Source filings
Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.
| Form | Tax year | Period end | Filed | Schema | IRS OBJECT_ID |
|---|---|---|---|---|---|
| 990 | 2025 | 2025-12-31 | not stated | 2025v4.0 | 202601739349301010 |
| 990 | 2024 | 2024-12-31 | not stated | 2024v5.0 | 202522679349300802 |
| 990 | 2023 | 2023-12-31 | not stated | 2023v5.0 | 202402739349300205 |
| 990 | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202312649349300321 |
| 990 | 2021 | 2021-12-31 | not stated | 2021v4.0 | 202242809349300124 |
| 990 | 2020 | 2020-12-31 | not stated | 2020v4.0 | 202142319349301309 |
Derived from IRS Form 990 e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/237221094.json.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.