Public Charity

MYSTIC RIVER WATERSHED ASSOCIATION INC

MYSTIC RIVER WATERSHED ASSOCIATION INC is a Public Charity headquartered in ARLINGTON, MA. Financial data from the 2025 filing: $5.7M revenue, $5.3M expenses, $11.1M total assets. 65 publicly reported grants to this organization, totaling roughly $2.0M, appear in IRS filings.

EIN: 237221094 ARLINGTON, MA Environmental Education NTEE: C60 Latest filing: 2025
Total Revenue$5.7M
Total Expenses$5.3M
Total Assets$11.1M
Grant Records65
Funding Total$2.0M
Filing Years2021–2025

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.

Sample Grants Received

$69,807
2024
FUNDING FOR INFILTRATION TRENCHES IN THE MYSTIC RIVER WATERSHED PROJECT.
$50,000
2024
For grant recipient's exempt purposes
$41,745
2024
TO ENHANCE THE LIVES OF CHILDREN, YOUTH AND FAMILIES IN EAST BOSTON
$21,300
2024
ENVIRONMENTAL
$15,000

Showing up to 5 of 65 total records — full history available with membership.

Officers & Directors

BOARD MEMBER Beatriz Gomez Mouakad
PRESIDENT Britney Satterlee
BOARD MEMBER Charles Holley
BOARD MEMBER Erga Pierrette
SECRETARY Helen Quach
BOARD MEMBER John Reinhardt

Officer compensation and complete director data available with membership.

Top Grant Purposes

For grant recipient's exempt purposes
$513,285 8 grants
GENERAL SUPPORT
$390,939 10 grants
CHARITABLE DONATION
$239,126 1 grant
RESEARCH
$101,278 2 grants
CONSERVATION ACTIVITIES
$77,500 4 grants

Financial Trends

Year Revenue Expenses Assets
2025 $5.7M $5.3M $11.1M
2024 $6.5M $6.6M $10.8M
2023 $8.2M $3.8M $10.1M
2022 $3.7M $2.8M $4.8M
2021 $3.9M $2.2M $4.3M

Between 2021 and 2025, reported annual revenue grew from $3.9M to $5.7M (+45%), with total assets most recently reported at $11.1M.

Interactive year-over-year charts and full filing details available with membership.

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