Funding search · water quality and access · Washington DC
Who funds water quality and access work in Washington DC
15 funders have a record of paying for water quality and access work by Washington DC recipients: 80 grants totaling $12.7M, most recently in 2025 — mostly private foundations, plus grantmaking charities. The largest by matched giving are Walton Family Foundation ($6.3M), The Keith Campbell Foundation ($756,000) and Charles Stewart Mott Foundation ($1.0M).
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: $250,000 to Foundation for Food and Agriculture Research — to support social sciences research on strategies to increase the adoption of conservation practices that improve water quality.
Largest: $160,000 to COMMONS INC — documenting water quality improvement
Largest: $275,000 to Land Trust Alliance Inc — to work with and strengthen land trusts in the great lakes region focusing on water quality improvements.
Largest: $150,000 to CLEAN WATER FUND — national drinking water programs
NamatiWashington, DCCharity · may take applications
4 matching grants · $476,929 · through 2025Largest: $145,973 to CLEAN WATER FUND — environmental justice
Largest: $223,738 to AMERICAN RIVERS INC — clean water act/state revolving fund advocacy, infrastructure funding
Largest: $45,000 to Clean Water Fund — anacostia park and community collaborative
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
Toxic-Free FutureSeattle, WACharity · may take applications
3 matching grants · $481,000 · through 2024Largest: $195,000 to CLEAN WATER FUND — chemical policy refo
Largest: $150,000 to WORLD WILDLIFE FUND — improving buffer zones in key watersheds to reduce agricultural run-off into the mesoamerican reef, 2023-2025
Energy Action FundSan Francisco, CACharity · may take applications
3 matching grants · $204,000 · through 2024Largest: $145,000 to CLEAN WATER ACTION — general operating support
The Chicago Community TrustChicago, ILCharity · may take applications
3 matching grants · $600,000 · through 2022Largest: $200,000 to Public Justice Foundation — to support the slaughterhouse pollution project, focused on clean water litigation against slaughterhouses in the midwest.
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Start with one paperBroader: water quality and access funders nationally · all Washington DC-based grantmakers