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Organization Location Revenue Expenses Assets Program Fundr. cost Employees Type Follow
River Partners RIVER PARTNERS mission is to bring life back to rivers by creating wildlife habitat for the benefit of people… 94-3302335 · FY2023 Chico, CA $56.9M $19.3M $56.8M 87% 1% 126 501(c)(3)
American Rivers INC AMERICAN RIVERS is championing a national effort to protect and restore all RIVERS, from remote mountain… 23-7305963 · FY2024 Washington, DC $53.4M $41.4M $40.1M 77% 13% 131 501(c)(3)
Riverkeeper INC Protect the ecological integrity of the hudson river & safeguard the drinking water supply of nyc 13-3204621 · FY2024 Ossining, NY $5.7M $5.3M $4.8M 66% 21% 39 501(c)(3)
Center for Watershed Protection To protect, restore and enhance our streams, rivers, lakes, wetlands and bays. 54-1644387 · FY2024 Fulton, MD $3.8M $3.7M $2.7M 90% 1% 21 501(c)(3)
Columbia Riverkeeper Columbia riverkeepers mission is to protect and restore the water quality of the Columbia river and all life… 91-1583492 · FY2024 Hood River, OR $3.5M $4.9M $7.8M 87% 6% 27 501(c)(3)
Chattahoochee Riverkeeper INC Chattahoochee Riverkeeper, Inc. the Riverkeeper is a nonprofit organization whose mission is to educate… 58-2095413 · FY2024 Smyrna, GA $3.2M $2.6M $5.9M 84% 8% 18 501(c)(3)
Potomac Riverkeeper Network To stop pollution and to restore clean water in the Potomac and shenandoah rivers and their tributaries… 54-1982624 · FY2024 Washington, DC $2.6M $2.2M $2.3M 81% 7% 12 501(c)(3)
New River Conservancy To protect the water woodlands and wildlife of the New River Watershed. 58-1949660 · FY2024 W Jefferson, NC $2.6M $2.0M $3.2M 92% 4% 8 501(c)(3)
Living Lands & Waters To aid in the protection, preservation and restoration of the natural environment of the nations major rivers… 36-4244353 · FY2024 East Moline, IL $2.5M $2.3M $5.4M 82% 5% 32 501(c)(3)
Friends of the Chicago River Preserve and protect the CHICAGO RIVER system. 36-3559764 · FY2024 Chicago, IL $2.5M $2.5M $2.7M 79% 15% 23 501(c)(3)
North and South Rivers Watershed Association INC To preserve, restore and maintain and conserve the NORTH and SOUTH RIVERS WATERSHED. 23-7181992 · FY2024 Norwell, MA $1.3M $885.6K $4.3M 75% 8% 19 501(c)(3)
St Johns Riverkeeper INC To defend the ST. JOHNS river and advocate for its protection. 59-3611338 · FY2024 Jacksonville, FL $1.2M $908.8K $2.3M 89% 4% 9 501(c)(3)
Chesapeake Rivers Association INC Protection and Restoration of Chesapeake Bay Waterway particularly the Servern River 01-0729385 · FY2025 Annapolis, MD $1.0M $919.9K $198.9K 98% 1% 2 501(c)(3)
Anacostia Riverkeeper INC To protect and restore the Anacostia River for all those who live work and play in the watershed. 61-1574670 · FY2024 Washington, DC $897.0K $768.4K $999.1K 71% 15% 3 501(c)(3)
Friends of the River Foundation Friends of the River protects and restores California Rivers by influencing public policy and inspiring… 94-2400210 · FY2024 Sacramento, CA $895.8K $784.6K $1.4M 77% 7% 11 501(c)(3)
Hackensack Riverkeeper INC The primary mission of HACKENSACK RIVERKEEPER, INC. Is to protect, preserve and restore the HACKENSACK river… 22-3530496 · FY2024 Hackensack, NJ $855.4K $871.4K $1.5M 85% 9% 36 501(c)(3)
Cahaba River Society INC Our mission to restore and protect the Cahaba River watershed and its rich diversity of life. The diverse… 63-0987276 · FY2023 Birmingham, AL $823.9K $787.5K $1.1M 71% 14% 16 501(c)(3)
Charleston Waterkeeper CHARLESTON waterkeeper's mission IT to protect and restore charleston's waterways for our community and… 26-4178586 · FY2024 Mt Pleasant, SC $746.3K $497.1K $1.1M 65% 18% 8 501(c)(3)
Flint Riverkeeper INC Restore and preserve the habitat, water quality and flow of the FLINT river watershed for the benefit of… 26-3179215 · FY2024 Albany, GA $710.5K $655.5K $194.5K 67% 25% 4 501(c)(3)
Madison River Foundation INC To preserve, protect, and enhance the MADISON RIVER ecosystem. 56-2333733 · FY2025 Ennis, MT $696.2K $486.4K $567.1K 76% 11% 4 501(c)(3)
Tualatin Riverkeepers TUALATIN RIVERKEEPERS is a community-based organization working to protect and restore oregon's TUALATIN… 94-3184499 · FY2024 Tualatin, OR $588.9K $506.1K $197.0K 75% 10% 11 501(c)(3)
Massachusetts Rivers Alliance INC To restore and protect rivers and streams. 20-8387704 · FY2024 Somerville, MA $584.6K $612.2K $585.1K 59% 17% 5 501(c)(3)
Great Rivers Land Preservation Association INC Protection of property for conservation purposes through easements and acquisition 37-1309728 · FY2024 Alton, IL $538.6K $459.3K $15.1M 52% 9% 5 501(c)(3)
Yadkin Riverkeeper INC To preserve and protect the YADKIN pee dee river basin through education, advocacy, and action. 26-1874687 · FY2024 Winston Salem, NC $510.4K $457.2K $172.8K 76% 14% 5 501(c)(3)
Save the River INC To protect and preserve the ecological integrity of st. Lawrence RIVER through advocacy, education and… 16-1125061 · FY2024 Clayton, NY $483.6K $483.0K $1.8M 71% 12% 8 501(c)(3)
The River Alliance of Wisconsin INC To empower people to protect and restore water. 39-1792143 · FY2024 Madison, WI $477.5K $773.3K $1.2M 69% 14% 8 501(c)(3)
Snake River Waterkeeper INC Snake River Waterkeeper exists for the purpose of applying science and law to protect, restore, and sustain… 47-1608920 · FY2024 Boise, ID $434.6K $437.7K $608.5K 40% 3% 1 501(c)(3)
Molalla River Watch INC To preserve, protect and restore fish and wildlife habitat and water quality of the MOLALLA RIVER watershed… 93-1096342 · FY2024 Molalla, OR $434.3K $375.8K $183.0K 92% 0% 1 501(c)(3)
Gunpowder Riverkeeper INC Protection, conservation & restoration of the GUNPOWDER and bush river watersheds 27-1517453 · FY2024 Monkton, MD $431.5K $421.4K $151.7K 96% 1% 1 501(c)(3)
River Rangers International INC Keeping Waterways Safe and Clean for Paddlers and Outdoor Enthusiasts. 83-1825535 · FY2024 Heath, OH $420.3K $357.8K $77.4K 81% 0% 45 501(c)(3)
Spokane Riverkeeper To protect and restore the health and ecological integrity of the SPOKANE river watershed and to defend the… 84-5175870 · FY2024 Spokane, WA $419.0K $384.3K $442.4K 69% 10% 3 501(c)(3)
Cahaba Riverkeeper To defend the ecological integrity of the CAHABA river, its tributaries and watershed 26-2623785 · FY2024 Birmingham, AL $379.0K $238.4K $840.2K 100% 0% 2 501(c)(3)
Winyah Rivers Foundation INC To protect, preserve, monitor and revitalize the health of the lands and waters of the greater Winyah Bay… 57-1118288 · FY2024 Conway, SC $315.0K $352.6K $2.9M 75% 4% 6 501(c)(3)
Indian River Lakes Conservancy To preserve the INDIAN RIVER LAKES region for its natural, recreational, and scenic values. 16-1555636 · FY2024 Redwood, NY $254.7K $343.2K $2.0M 60% 3% 3 501(c)(3)
Save the American River Association INC The specific purpose of this corporation is to protect and enhance the American River Parkway between Nimbus… 94-2987563 · FY2024 Orangevale, CA $177.6K $171.7K $659.5K 81% 0% — 501(c)(3)
Tennessee Riverkeeper INC The mission of TENNESSEE RIVERKEEPER is to protect and restore clean water, biological life, recreational… 30-0544517 · FY2024 Decatur, AL $174.2K $227.6K $152.1K 100% 0% 3 501(c)(3)
Protect Our Rivers 86-2101337 · FY2024 Lakewood, CO $159.3K — $86.2K — — — 501(c)(3)
Altamaha Riverkeeper INC To Protect and restore the habitat, water quality and flow of the Altamaha River and its watershed… 58-2448037 · FY2024 Macon, GA $148.8K $201.5K $37.1K 81% 10% 2 501(c)(3)
River Revitalizational Foundation INC Protect, maintain and restore the urban RIVER basins within milwaukee county. 39-1887400 · FY2024 Milwaukee, WI $126.9K $235.2K $0 91% 2% 4 501(c)(3)
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Public data from IRS Form 990 e-file & Business Master File. A 990 shows reported financial activity, not measured program outcomes. Assets are from the IRS BMF and may lag the latest filing; fundraising cost is fundraising expenses as a share of total expenses. · philanthropy.org