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Mystic River Watershed

ARLINGTON, MA EIN: 23-7221094 Website

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.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

4states

Cities

AllstonBostonBrocktonCambridgeCantonCharlestownChelseaCohassetConcordDorchesterDurhamEverettGrotonHiloLawrenceLincolnLos AlamosLynnMaldenMedford

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$2M$5M$7M$9M20202021202220232024
Metric202420232022
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

$0$222K$444K$666K$888K9 grants202015 grants202113 grants202211 grants202314 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

CITY OF MALDEN$600KGREENROOTS INC$98KEVERETTE COMMUNITY GROWERS$64KFRIENDS OF BELLE ISLE MA…$20KTRUSTEES OF TUFTS COLLEGE$20KFIELD OF GREEN (VIA ARTH…$12KCAMBRIDGE HEALTH ALLIANCE$12KCHARLES RIVER WATERSHED …$11KNEPONSIT RIVER WATERSHED…$10KNORTH & SOUTH RIVERS WAT…$10K

Grant Size Distribution

62 grants across all recorded years

43<$50K16$50–100K2$100–250K$250–500K1$500K–1M$1–5M$5M+

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).

RecipientPurposeAmount
GREENROOTS INC CHELSEA, MAHEAT CONVENING$97,560
CAMBRIDGE HEALTH ALLIANCE MALDEN, MACLEAN AIR$12,000
TRUSTEES OF TUFTS COLLEGE MEDFORD, MACLEAN AIR$20,000
FIELD OF GREEN (VIA ARTHUR KURTZ) LINCOLN, MAENV. RESTORATION$12,050
EVERETTE COMMUNITY GROWERS EVERETT, MACOVID SAFE COOLING$64,298
CITY OF MALDEN MALDEN, MAPARK CONSTRUCTION$600,000
CITY OF MEDFORD MEDFORD, MACLIMATE RESILIANCE$6,000
CHARLES RIVER WATERSHED ASSOCIATION BOSTON, MAENV. RESTORATION$10,827
FRIENDS OF BELLE ISLE MARCH WIINTHROP, MAEDUCATION$20,328
NORTH & SOUTH RIVERS WATERSHED ASS NORWELL, MAENV. RESTORATION$9,884

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

PATRICK HERRONEXECUTIVE DI$122KJULIA E WORMSERSR. POLICY A$72KMICHELLE LIEBETREUDEV & COMMUN$67K

From 2024 filing

NameTitleHoursCompensation
PATRICK HERRONEXECUTIVE DI40$122,254
JULIA E WORMSERSR. POLICY A40$72,307
MICHELLE LIEBETREUDEV & COMMUN40$66,883
STEPHANIE CARVALHOBOARD MEMBER5
VICTOR CASTROBOARD MEMBER5
WILLIAM T DENMANBOARD MEMBER5
RYAN DINGSBOARD MEMBER5
MONICA DRIGGERSBOARD MEMBER5
ERIK HANSENBOARD MEMBER5
CHARLES HOLLEYTREASURER5
MARK JACOBSONCLERK5
MARCIA MANONGBOARD MEMBER5
BEATRIZ GOMEZ MOUAKADBOARD MEMBER5
ERGA PIERRETTEBOARD MEMBER5
HELEN QUACHSECRETARY5
JOHN REINHARDTBOARD MEMBER5
KELLY RYANBOARD MEMBER5
BRITNEY SATTERLEEPRESIDENT5
JULIE ING STERNVP & ASST. C5
KAREN COLON HAYESBOARD MEMBER5

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

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Related Funders

Similar funders by location and focus area

Data last updated April 2026. Sourced from IRS Form 990-PF filings.

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