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Massachusetts · Public charity

Mystic River Watershed Association Inc

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.

$398k
Granted FY2025(still arriving)
14
Itemized grants FY2025
14
Organizations funded FY2024
86%
First-time grantees FY2024
Read the full brief
Itemized, FY2025
$356k
The rest is grants the schedule does not break out
Median grant, FY2025
$15,000
Largest grant, FY2025
$130,000
Organizations funded a year
9 to 14
FY2020 to FY2024
States reached, FY2025
1
Total assets, FY2025
$11M

How open it is to new grantees

In FY2024, 86% of the organizations Mystic River Watershed Association Inc funded were first-time grantees, receiving 82% of its grant dollars.

New vs renewed · share of each year

In FY2024, 18% of grant dollars renewed an existing relationship; $726k went to new ones.

50%100%’21’22’23’24
RenewedFirst-time

Where new relationships form · theme of each grantee’s first grant

’21’22’23’24
EnvironmentHuman ServicesCommunity ImprovementPublic BenefitYouth DevelopmentArts & CultureOther
How this is measured
First-time means a grantee’s first year in the filing window; renewed means funded in an earlier year too. The renewed share climbs naturally as a portfolio matures, so the signal is a year that bucks it (a wave of new grantees). The earliest year is left-censored: relationships that predate the data read as new. Theme is the grantee’s IRS cause.
The numbers by year
Fiscal yearOrganizations fundedTo those organizationsFirst-time grantees
FY2025still arriving14$356k50%
FY202414$888k86%
FY202311$438k9%
FY202213$537k23%
FY202114$701k50%
FY20209$330kn/a
100% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2020 to 2025.

Environment$1.1MPublic Benefit$689kCommunity Improvement$480kHuman Services$287kFood & Nutrition$220kHousing & Shelter$173kCivil Rights$120kArts & Culture$56kOther$0

Top grantees

Largest recipients by total granted, FY2020 to FY2025, and the share of each one’s budget the grants supplied at peak.

GranteeTotal grantedYearsShare of their budget
City of Malden$600,0001n/a
La Comunidad Inc$286,68268%
Greenroots Inc$252,90652%
Garrison Trotter Neighborhood Association Inc$179,0004n/a
My Brother's Table Inc$175,00042%
Codman Square Neighborhood Development Corporation$173,43341%
University System of New Hampshire$159,1372n/a
Groundwork Lawrence Inc$150,00032%
Boston Redevelopment Authority$130,0001n/a
La Colaborativa Inc$125,00031%
Show all 39 grantees
All grantees of Mystic River Watershed Association Inc by total granted
GranteeTotal grantedYearsShare of their budget
City of Malden$600,0001n/a
La Comunidad Inc$286,68268%
Greenroots Inc$252,90652%
Garrison Trotter Neighborhood Association Inc$179,0004n/a
My Brother's Table Inc$175,00042%
Codman Square Neighborhood Development Corporation$173,43341%
University System of New Hampshire$159,1372n/a
Groundwork Lawrence Inc$150,00032%
Boston Redevelopment Authority$130,0001n/a
La Colaborativa Inc$125,00031%
Self Help Inc$120,72030%
Town of Winchester$105,5451n/a
Dorchester Bay Economic Development Corporation$90,00020%
Authentic Caribbean Foundation Inc$88,660316%
Everett Community Growers Inc$78,549234%
Better Future Project Inc$63,80023%
Boys & Girls Clubs of Boston Inc$54,60020%
Charlestown Sprouts Inc$45,000131%
Friends of Belle Isle Marsh Inc$43,262218%
Museum of Science$40,04010%
Trustees of Tufts College$40,00020%
Self Help Inc$35,000111%
Cambridge Public Health Commission$27,0002n/a
Field of Green (Via Arthur Kurtz)$24,1502n/a
Chinese Culture Connection Inc$22,25013%
City of Medford$18,2132n/a
Pangeaseed Foundation$15,50014%
Groundwork Somerville Inc$14,1131n/a
Ryerson Design$11,7501n/a
Charles River Watershed Association Inc$10,82710%
Neponset River Watershed Association$10,47111%
North & South Rivers Watershed Association Inc$9,88411%
Oars Inc$8,92712%
Nashua River Watershed Assoc Inc$8,89311%
Cohasset Center For Student Coastal Research Inc$6,81512%
West Medford Community Center Inc$6,3501n/a
Islamic Center of Burlington Inc$6,0001n/a
Know Your Neighbor Woburn$6,000132%
Steele Community House Tenant Assoc$6,0001n/a

Where it is load-bearing

Mystic River Watershed Association Inc supplied at least a quarter of the budget for 3 of its grantees at some point. The chart plots its 26 largest grantees; load-bearing ones sit top left.

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetLa Comunidad Inc: $286,682 over 6y, 7.9% of budgetGreenroots Inc: $252,906 over 5y, 1.8% of budgetMy Brother's Table Inc: $175,000 over 4y, 2.1% of budgetCodman Square Neighborhood Development Corporation: $173,433 over 4y, 0.9% of budgetGroundwork Lawrence Inc: $150,000 over 3y, 1.6% of budgetLa Colaborativa Inc: $125,000 over 3y, 0.7% of budgetSelf Help Inc: $120,720 over 3y, 0.1% of budgetDorchester Bay Economic Development Corporation: $90,000 over 2y, 0.4% of budgetAuthentic Caribbean Foundation Inc: $88,660 over 3y, 16% of budgetEverett Community Growers Inc: $78,549 over 2y, 34% of budgetBetter Future Project Inc: $63,800 over 2y, 3.3% of budgetBoys & Girls Clubs of Boston Inc: $54,600 over 2y, 0.1% of budgetCharlestown Sprouts Inc: $45,000 over 1y, 31% of budgetFriends of Belle Isle Marsh Inc: $43,262 over 2y, 18% of budgetMuseum of Science: $40,040 over 1y, 0.1% of budgetTrustees of Tufts College: $40,000 over 2y, 0.0% of budgetSelf Help Inc: $35,000 over 1y, 11% of budgetChinese Culture Connection Inc: $22,250 over 1y, 2.7% of budgetPangeaseed Foundation: $15,500 over 1y, 4.0% of budgetCharles River Watershed Association Inc: $10,827 over 1y, 0.5% of budgetNeponset River Watershed Association: $10,471 over 1y, 0.9% of budgetNorth & South Rivers Watershed Association Inc: $9,884 over 1y, 0.8% of budgetOars Inc: $8,927 over 1y, 1.6% of budgetNashua River Watershed Assoc Inc: $8,893 over 1y, 0.7% of budgetCohasset Center For Student Coastal Research Inc: $6,815 over 1y, 2.4% of budgetKnow Your Neighbor Woburn: $6,000 over 1y, 32% of budget

Tap a dot to name the grantee.

How this is measured
Share of budget is the funder’s grant in a year over the grantee’s total revenue that year, at its highest across the years we hold; revenue is from all sources. Only grantees confirmed against their own filings, whose grants do not exceed their revenue, are plotted: the largest 26.

Nonprofits that may fit its grantmaking

Co-funders

Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.

Eastern Bank FoundationMA26.1× affinity12 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Eastern Bank Foundation · Boston Foundation Inc · Health Resources in Action Inc · Rockland Trust Charitable Foundation Inc · Fidelity Foundation · American Tower Corporation Foundation Inc · Patagoniaorg · Lawrence & Lillian Solomon Foundation Inc · Merck Family Fund · Project Bread-The Walk for Hunger Inc · Barr Foundation · United Way Of Massachusetts Bay Inc

How this is measured
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. Overlap is association, not proof of shared intent.

Compare Mystic River Watershed Association Inc with peer funders

About Mystic River Watershed Association Inc

How much does Mystic River Watershed Association Inc give?
Mystic River Watershed Association Inc reported 14 itemized grants totaling $355,902, out of $398,381 in total grant expense reported on the return in its FY2025 IRS filing. It funded between 9 and 14 organizations a year over FY2020 to FY2024.
What does Mystic River Watershed Association Inc fund?
By grant dollars over FY2020 to FY2025, its largest causes are Environment (35%), Public Benefit (21%), Community Improvement (15%).
Who are Mystic River Watershed Association Inc's largest grantees?
By total granted over FY2020 to FY2025: City of Malden ($600k), La Comunidad Inc ($287k), Greenroots Inc ($253k).
Does Mystic River Watershed Association Inc fund new organizations?
In FY2024, 86% of the organizations it funded were first-time grantees.
Which funders back the same organizations as Mystic River Watershed Association Inc?
Its strongest co-funders, measured against what their size predicts, include Eastern Bank Foundation, Boston Foundation Inc, Health Resources in Action Inc.
Where is Mystic River Watershed Association Inc based?
Mystic River Watershed Association Inc is based in MA.

On method. Every financial figure here is read from IRS e-file XML, the funder’s own 990/990-PF, and from the multi-year returns of the 39 grantees we resolved, each linked to its source. Grantee outcomes are each organization’s own program-service reporting (Form 990, Part III), read as association with funding, never as caused by it. Low-confidence name matches are suppressed rather than guessed. How we build these →

How this is measured
Each figure carries one of six labels. Filed is what the funder reported on its return. Official is another government record about an organization, such as a federal award or a charity register, joined by name where no shared identifier exists. Resolved is an identity we worked out where the filing named a recipient without an EIN, kept only above a measured confidence threshold. Computed is arithmetic over those, like themes, portfolio clusters and co-funder strength. Context is a statistic about a place rather than about an organization, which is what the need overlay is: it describes the area a grantee’s address sits in, not where its work lands. Inferred is drawn by a model from text, like the partnerships read out of public news and organization websites. Each is labeled where it appears.

Generated from the IRS Form 990 e-file return for fiscal year 2025, released 2025. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

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