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Organization	Location	Revenue	Expenses	Assets	Program	Fundr. cost	Employees	Type
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)
US National Whitewater Center INC The mission of the u.s. NATIONAL WHITEWATER CENTER is to build stronger communities by promoting healthy and… 56-2247955 · FY2023	Charlotte, NC	$28.8M	$24.4M	$73.5M	93%	0%	1,035	501(c)(3)
Western Rivers Conservancy WESTERN RIVERS conservancy's mission is to protect outstanding river ecosystems in the WESTERN united states… 93-1326405 · FY2023	Portland, OR	$25.2M	$15.6M	$54.4M	87%	6%	24	501(c)(3)
Western Resource Advocates Western Resource Advocates (WRA) is a regional nonprofit advocacy organization fighting climate change and… 84-1113831 · FY2024	Boulder, CO	$10.8M	$13.5M	$18.4M	79%	14%	93	501(c)(3)
U S Water Alliance We inspire and sustain a diverse movement to advance transformative solutions to pressing WATER challenges so… 26-2112661 · FY2023	Federal Way, WA	$8.5M	$8.2M	$7.1M	91%	2%	28	501(c)(3)
Restore America's Estuaries RESTORE AMERICA'S ESTUARIES is dedicated to the protection and restoration of bays and ESTUARIES as essential… 54-1965304 · FY2024	Washington, DC	$8.1M	$7.9M	$3.1M	91%	1%	9	501(c)(3)
Environmental League of Massachusetts INC The organization's mission is to advocate for policy that meets the scale and urgency of our ENVIRONMENTAL… 04-2760271 · FY2023	Boston, MA	$5.6M	$2.8M	$6.6M	71%	15%	35	501(c)(3)
Arundel Rivers Federation INC Deeply rooted in the south, west, and rhode RIVERS, ARUNDEL RIVERS FEDERATION heals and protects our… 52-2301464 · FY2024	Edgewater, MD	$3.5M	$3.4M	$2.7M	86%	6%	13	501(c)(3)
Iowa Agriculture Water Alliance To increase the pace and scale of farmer-led efforts to improve WATER quality in IOWA. 32-0440113 · FY2024	Ankeny, IA	$3.4M	$3.2M	$2.7M	88%	3%	—	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)
American River Conservancy To conduct land conservation, stewardship and education in the upper AMERICAN RIVER and upper cosumnes RIVER… 68-0195752 · FY2024	Coloma, CA	$2.3M	$2.0M	$51.3M	66%	5%	15	501(c)(3)
Az Water Association Advocate for arizonas WATER through bold leadership, connecting professionals, providing education, and… 86-1037705 · FY2024	Chandler, AZ	$1.9M	$1.5M	$1.9M	85%	2%	—	501(c)(3)
Puget Soundkeeper Alliance To be a trusted leader and collaborator for all communities, in court and on the water, fighting for a… 91-1285783 · FY2024	Seattle, WA	$1.3M	$1.3M	$971.0K	67%	23%	12	501(c)(3)
Yukon River Drainage Fisheries Association Protecting and promoting healthy wild fisheries and their culuture in the Yukon River Drainage. 92-0135445 · FY2023	Anchorage, AK	$1.3M	$1.2M	$101.2K	87%	1%	13	501(c)(3)
Whitewater Aquatics Management WHITEWATER AQUATICS MANAGEMENT was formed to reopen the evergreen pool, a community swimming pool that was… 27-2422684 · FY2023	Seattle, WA	$870.1K	$646.9K	$394.7K	80%	0%	58	501(c)(3)
Maine Rivers The mission of Maine Rivers is to protect, restore and enhance the ecological health of Maine's river… 02-0556861 · FY2024	Yarmouth, ME	$853.4K	$746.8K	$648.8K	94%	1%	1	501(c)(3)
Upper White River Watershed Alliance INC The WHITE RIVER ALLIANCE improves and protects water resources thoughout central indiana. We are an ALLIANCE… 35-2076148 · FY2024	Indianapolis, IN	$812.6K	$894.8K	$321.6K	100%	0%	—	501(c)(3)
American Water Resources Association Provide its members and the general public with activities, programs and services that facilitate the… 37-6076418 · FY2024	Middleburg, VA	$735.3K	$1.0M	$602.8K	56%	1%	2	501(c)(3)
Farmington River Watershed Association INC Protect and preserve the natural resources of the FARMINGTON RIVER WATERSHED area 06-0741585 · FY2024	Simsbury, CT	$645.6K	$665.2K	$2.9M	87%	2%	5	501(c)(3)
Alabama Rivers Alliance INC Promote the conservation of Alabama rivers and watersheds. 63-1186023 · FY2024	Birmingham, AL	$624.2K	$683.6K	$375.9K	83%	8%	5	501(c)(3)
Bayou Preservation Association INC The mission of the BAYOU PRESERVATION ASSOCIATION is to celebrate, protect and restore the natural richness… 74-6075031 · FY2024	Houston, TX	$583.1K	$507.2K	$880.9K	62%	9%	5	501(c)(3)
Sustainable Water Energy and Economic Transition in Alabama We are connecting communities to resources for energy efficiency, sustainability, and affordable homes. 82-5045504 · FY2024	Birmingham, AL	$545.1K	$534.4K	$641.5K	89%	3%	7	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)
Broad Water Innovations Conservation easement holder and long term steward of wetland, stream and species mitigation banks 46-3255354 · FY2024	Richmond, VA	$534.2K	$431.3K	$436.3K	80%	0%	—	501(c)(3)
White Clay Watershed Association Watershed Education and Protection 23-7116453 · FY2024	Landenberg, PA	$388.7K	$382.6K	$236.9K	74%	0%	—	501(c)(3)
America's Watershed Initiative AMERICA'S WATERSHED INITIATIVE (awi) is a collaboration working with hundreds of business, government… 83-0607849 · FY2024	Kirkwood, MO	$319.2K	$380.7K	$187.8K	84%	0%	3	501(c)(3)
Jones River Watershed Association INC To protect, enhance and restore the quality of the natural resources in southeastern massachusetts, in… 22-3269260 · FY2024	Kingston, MA	$264.5K	$161.3K	$650.3K	74%	7%	1	501(c)(3)
Izaak Walton League of America - Rockville Chapter To conserve, maintain, protect and restore the soil, forest, water and other natural resources of the United… 52-1481039 · FY2024	Germantown, MD	$262.8K	$186.2K	$2.3M	98%	0%	—	501(c)(3)
Acton-Wakefield Watersheds Alliance INC Protect and restore area WATERSHEDS 20-3341604 · FY2024	Union, NH	$248.4K	$267.4K	$161.6K	68%	18%	10	501(c)(3)
Prescott Creeks Preservation Association Prescott Creeks is a 501(c)(3) not-for-profit organization with a mission to achieve healthy watersheds and… 86-0657159 · FY2023	Prescott, AZ	$154.2K	$160.0K	$3.7M	63%	14%	1	501(c)(3)
Washington County Watershed Alliance Protection and conservation of natural resources 25-1815293 · FY2024	Washington, PA	$149.9K	$103.6K	$307.7K	97%	0%	—	501(c)(3)
Alabama's Water Environment Association Advancing knowledge of ALABAMA'S WATER ENVIRONMENT and education of WATER professionals. 63-0781189 · FY2024	Northport, AL	$140.3K	$167.6K	$595.7K	49%	0%	—	501(c)(3)
Kansas Section American Water Works 23-7026155 · FY2024	Kansas City, KS	$133.6K	—	$272.6K	—	—	—	501(c)(3)
Alaska Water Wastewater Management Association Awwma 92-0139517 · FY2024	Eagle River, AK	$127.7K	—	$65.2K	—	—	—	501(c)(3)
Montana Section American Water Works Association 23-7026158 · FY2024	Seeley Lake, MT	$115.5K	—	$165.6K	—	—	—	501(c)(3)
Whitefish Lake Conservation Organization INC 91-2093794 · FY2025	Gordon, WI	$91.6K	—	$164.3K	—	—	—	501(c)(3)
Salmon Whitewater Park Association INC Swpa's mission is to facilitate the fundraising, construction, and longevity of a WHITEWATER PARK in SALMON… 85-2467747 · FY2024	Salmon, ID	$77.4K	$53.5K	$1.1M	90%	10%	—	501(c)(3)
Taunton River Watershed Alliance INC he Taunton River Watershed Alliance (TRWA) has been a voice for the Taunton River and its watershed since… 04-3038437 · FY2023	Taunton, MA	$68.5K	$68.8K	$140.2K	46%	0%	—	501(c)(3)
Washington Water Trails Association Through advocacy, education, and stewardship, Washington Water Trails Association protects and promotes… 91-1472783 · FY2024	Seattle, WA	$64.8K	—	$38.3K	—	—	—	501(c)(3)
Western Association for Art Conservation 52-1352653 · FY2023	West Hollywood, CA	$53.0K	—	$8.4K	—	—	—	501(c)(3)

2,046,138

nonprofits

212,946

funders

12,515,252

grants

22,549,931

directors

214,365

service providers

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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