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.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$10.8M
+7.1% YoY
Annual Giving
$888K
+102.6% YoY
Grant Count
14
+27.3% YoY
Avg Grant Size
$63K
+59.2% YoY
About Mystic River Watershed
Based on IRS filings
Mystic River Watershed is a nonprofit organization focused on Environment & Animals, based in ARLINGTON, MA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $10.8M in total assets. In 2024, it awarded 14 grants totaling $888K. Net investment income was $290K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $10,795,076 | $10,075,118 | $4,843,866 |
| Revenue | $6,487,669 | $8,197,369 | $3,691,084 |
| Expenses | $6,646,070 | $3,820,529 | $2,810,441 |
| Qualifying Distributions | — | — | — |
| Net Investment Income | $289,818 | $192,817 | $64,398 |
| Distributable Amount | — | — | — |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
62 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include City of Malden ($600,000), Greenroots Inc ($97,560), Everette Community Growers ($64,298).
| Recipient | Purpose | Amount |
|---|---|---|
| GREENROOTS INC CHELSEA, MA | HEAT CONVENING | $97,560 |
| CAMBRIDGE HEALTH ALLIANCE MALDEN, MA | CLEAN AIR | $12,000 |
| TRUSTEES OF TUFTS COLLEGE MEDFORD, MA | CLEAN AIR | $20,000 |
| FIELD OF GREEN (VIA ARTHUR KURTZ) LINCOLN, MA | ENV. RESTORATION | $12,050 |
| EVERETTE COMMUNITY GROWERS EVERETT, MA | COVID SAFE COOLING | $64,298 |
| CITY OF MALDEN MALDEN, MA | PARK CONSTRUCTION | $600,000 |
| CITY OF MEDFORD MEDFORD, MA | CLIMATE RESILIANCE | $6,000 |
| CHARLES RIVER WATERSHED ASSOCIATION BOSTON, MA | ENV. RESTORATION | $10,827 |
| FRIENDS OF BELLE ISLE MARCH WIINTHROP, MA | EDUCATION | $20,328 |
| NORTH & SOUTH RIVERS WATERSHED ASS NORWELL, MA | ENV. RESTORATION | $9,884 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| PATRICK HERRON | EXECUTIVE DI | 40 | $122,254 |
| JULIA E WORMSER | SR. POLICY A | 40 | $72,307 |
| MICHELLE LIEBETREU | DEV & COMMUN | 40 | $66,883 |
| STEPHANIE CARVALHO | BOARD MEMBER | 5 | — |
| VICTOR CASTRO | BOARD MEMBER | 5 | — |
| WILLIAM T DENMAN | BOARD MEMBER | 5 | — |
| RYAN DINGS | BOARD MEMBER | 5 | — |
| MONICA DRIGGERS | BOARD MEMBER | 5 | — |
| ERIK HANSEN | BOARD MEMBER | 5 | — |
| CHARLES HOLLEY | TREASURER | 5 | — |
| MARK JACOBSON | CLERK | 5 | — |
| MARCIA MANONG | BOARD MEMBER | 5 | — |
| BEATRIZ GOMEZ MOUAKAD | BOARD MEMBER | 5 | — |
| ERGA PIERRETTE | BOARD MEMBER | 5 | — |
| HELEN QUACH | SECRETARY | 5 | — |
| JOHN REINHARDT | BOARD MEMBER | 5 | — |
| KELLY RYAN | BOARD MEMBER | 5 | — |
| BRITNEY SATTERLEE | PRESIDENT | 5 | — |
| JULIE ING STERN | VP & ASST. C | 5 | — |
| KAREN COLON HAYES | BOARD MEMBER | 5 | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Mystic River Watershed?
Mystic River Watershed is a nonprofit organization focused on Environment & Animals, based in ARLINGTON, MA. It holds $10.8M in total assets as of 2024.
How large is Mystic River Watershed?
As of 2024, Mystic River Watershed holds $10.8M in total assets with $6.5M in annual revenue. It awarded 14 grants totaling $888K in 2024.
Where does Mystic River Watershed operate?
Mystic River Watershed has awarded grants in Hawaii, Massachusetts, New Hampshire, New Mexico.
What size grants does Mystic River Watershed award?
In 2024, Mystic River Watershed awarded 14 grants totaling $888K — an average of about $63K per grant, based on its IRS Form 990 filings.
What is Mystic River Watershed's EIN?
Mystic River Watershed's EIN (Employer Identification Number) is 23-7221094. IRS Form 990 filing data is available on this page for 2020–2024.
Explore Open Grants
Browse active grant opportunities in Mystic River Watershed's focus areas in our free grants database
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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