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
No grants recorded for .
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
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Similar funders by location and focus area
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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