Funding search · water resources · Washington DC
Who funds water resources work in Washington DC
15 funders have a record of paying for water resources work by Washington DC recipients: 29 grants totaling $5.0M, most recently in 2024 — mostly private foundations, plus grantmaking charities. The largest by matched giving are Walton Family Foundation ($1.0M), The Summit Charitable Foundation ($450,000) and Casey Trees ($179,446).
From IRS Form 990-PF and 990 Schedule I filings, 2019–2025. Grants already paid to Washington DC recipients — evidence of what these funders back, not open calls.
Largest: $394,000 to Theodore Roosevelt Conservation Partnership Inc — to advance nature-based climate solutions, improve the health of the mississippi river, its floodplain, tributary watersheds and communities, restore habitat for resident and migra…
Largest: $150,000 to WORLD WILDLIFE FUND — improving buffer zones in key watersheds to reduce agricultural run-off into the mesoamerican reef, 2023-2025
Casey TreesWashington, DCCharity · may take applications
3 matching grants · $179,446 · through 2024Largest: $111,565 to Urban Learning and Teaching Center — nature near schools meaningful watershed educational experience
Largest: $100,000 to THEODORE ROOSEVELT CONSERVATION PARTNERSHIP — strengthening watershed and climate resiliency policy solutions in nm's rio grande watershed project
National Fish and Wildlife FoundationWashington, DCCharity · may take applications
2 matching grants · $2.3M · through 2022Largest: $2.0M to AMERICAN BIRD CONSERVANCY — delaware river watershed
Swig FoundationSan Francisco, CA
3 matching grants · $12,500 · through 2024Largest: $7,500 to TROUT UNLIMITED — work to keep our country's coldwater fisheries and their watersheds safe from environmental threats for this and future generations of anglers to enjoy.
Largest: $50,000 to AMERICAN FOREST FOUNDATION — elk & duck river watershed initiative landowner programs multi-year payment #2
Largest: $25,000 to Anacostia Watershed Society Inc — support of public education campaigns
Largest: $35,000 to American Rivers Inc — north lowcountry equitable watershed conservation
Largest: $80,000 to The National Fish Habitat Fund Inc — to expand and build capacity for the watershed leaders network that provides learning exchanges for better water quality outcomes in midwestern watersheds
The Community Foundation forJacksonville, FLCharity · may take applications
1 matching grant · $225,000 · through 2024Largest: $225,000 to AMERICAN RIVERS INC — to support scaling of the northwest dam removal program with a professional staff member who will conduct an audit of dams in the watershed
Largest: $200,000 to NATIONAL FISH AND WILDLIFE FOUNDATION — wisconsin's lake michigan watershed fund
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Start with one paperBroader: water resources funders nationally · all Washington DC-based grantmakers