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Mystic River Watershed

EIN: 23-7221094 • Arlington, MA
Total Assets
$11.1M
Foundation endowment scale
Annual Giving
$356K
Annual capital distribution
Typical Grant
$15,000
Most grants: $6K – $22K
Application Status
Accepts New Applicants
Rolling review

About Mystic River Watershed Grantmaking

Mystic River Watershed is an institutional grantmaking foundation headquartered in Arlington, MA (EIN: 23-7221094). According to verified IRS Form 990-PF filings, the foundation maintains $11.1M in total assets and distributed $356K across 41 grants. Its typical award size is $15,000, with the middle 50% of awards falling between $6K and $22K. Its primary funding focus includes Community & Economic Dev (37%), Environment & Animals (32%), Human Services & Relief (16%), with the highest concentration of grants awarded in MA (99%) and NH (1%).

Top Funded Causes% Capital
Community & Economic Dev37%
$243K deployed6 awards
Environment & Animals32%
$212K deployed8 awards
Human Services & Relief16%
$108K deployed4 awards
Education & Literacy8%
$54K deployed3 awards
Public & Societal Benefit6%
$37K deployed1 awards
Top Recipient States% Dollars
MA State Recipients99%
$1.8M funded40 grants
NH State Recipients1%
$14K funded1 grants
Grant Size DistributionAward Scale
Major Grants ($100K+)5%
2 large institutional grants
Mid-Sized ($25K–$100K)37%
15 standard program grants
Micro & Small (<$25K)59%
24 grassroots micro-awards
Application Guidelines & DeadlinesPublic Filing Data
Application Policy
Accepts Unsolicited Proposals
Submission Deadlines

Rolling review

Geographic Focus & Restrictions

MA statewide and regional focus

Program Officer & Direct Contacts

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Recent Grant AwardsShowing 5 of 41 verified awards
Recipient OrganizationLocationTax YearAward AmountGrant Purpose
City of BostonBoston, MA2025$130,000Greenways
Everette Community GrowersEverett, MA2025$67,796Covid safe cooling
Friends of Belle Isle MarchWiinthrop, MA2025$22,934Education
Chinese Culture Connection INCMalden, MA2025$22,250Epa collab grant
Trustees of Tufts CollegeMedford, MA2025$20,000Clean air
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Frequently Asked Questions about Mystic River Watershed

Does Mystic River Watershed accept unsolicited grant proposals?

Yes, Mystic River Watershed accepts unsolicited grant proposals. Submission review cycle: Rolling review.

What is the typical grant size from Mystic River Watershed?

The median grant size from Mystic River Watershed is $15,000, with the middle 50% of awards ranging between $6K and $22K.

What causes does Mystic River Watershed fund?

Over recent Form 990-PF filings, Mystic River Watershed's primary funding areas have been Community & Economic Dev, Environment & Animals, Human Services & Relief.

How do I contact Mystic River Watershed about a grant?

Mystic River Watershed is headquartered in Arlington, MA. Verified NPO Grant subscribers can access direct program officer telephone extensions, primary office numbers, and detailed submission guidelines.