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Organization Location Revenue Expenses Assets Program Fundr. cost Employees Type Follow
Odc Network Advancing outdoor education and conservation in west michigan. 38-2461102 · FY2024 Holland, MI $16.2M $13.4M $27.7M 82% 4% 404 501(c)(3)
Land Between the Lakes Association Provide environmental education and conservation opportunities 31-1086145 · FY2024 Golden Pond, KY $2.5M $2.3M $1.8M 87% 1% 64 501(c)(3)
Malheur Watershed Council Leading the effort to conserve and enhance the natural resources of the MALHEUR basin 36-4829234 · FY2024 Ontario, OR $2.1M $2.0M $149.2K 95% 0% 1 501(c)(3)
Sitka Conservation Society Educating the public about CONSERVATION issues 92-0096633 · FY2024 Sitka, AK $2.0M $2.0M $1.8M 100% 0% 24 501(c)(3)
Watershed Conservation Resource Center The WATERSHED CONSERVATION RESOURCE CENTER strives to protect, conserve, and restore natural resources by… 81-0594071 · FY2024 Fayetteville, AR $2.0M $2.2M $1.7M 85% 1% 18 501(c)(3)
Northwest Watershed Institute WATERSHED protection in the pacific NORTHWEST 93-1325820 · FY2024 Port Townsend, WA $1.9M $1.1M $3.4M 95% 1% 13 501(c)(3)
The Watershed Project The WATERSHED PROJECT educates and inspires communities to protect their local watersheds. 91-1767292 · FY2024 Richmond, CA $1.7M $1.7M $1.2M 88% 5% 18 501(c)(3)
Musconetcong Watershed Association The MUSCONETCONG WATERSHED ASSOCIATION is an independent, non-profit organization dedicated to protecting and… 22-3199292 · FY2024 Asbury, NJ $1.5M $1.6M $3.5M 83% 3% 13 501(c)(3)
Project 412 To connect and elevate the cultural and economic vibrancy of the lakes area 88-3176887 · FY2024 Detroit Lakes, MN $1.3M $1.6M $240.9K 87% 6% 3 501(c)(3)
Manada Conservancy Land preservation and environmental education. 25-1784517 · FY2024 Hummelstown, PA $1.0M $665.5K $1.7M 92% 2% 4 501(c)(3)
Kansas Association for Conservation and Environmental Education Fostering knowledge and awareness of the conservation of natural resources in Kansas. 48-0850919 · FY2024 Manhattan, KS $570.8K $494.5K $157.3K 82% 0% 16 501(c)(3)
Trout Lake Nature Center INC The mission emphasizes environmental education for children and adults. The children's education, largely for… 59-3039878 · FY2024 Eustis, FL $549.7K $250.6K $3.4M 80% 9% 4 501(c)(3)
Northern Neck Land Conservancy INC Promotion of Land Conservation with Education 41-2140631 · FY2024 Warsaw, VA $516.5K $328.1K $2.6M 76% 0% 501(c)(3)
Lake Katherine Nature Center and Botanic Gardens Environmental stewardship and gardens in a unique urban setting 91-1848185 · FY2024 Palos Heights, IL $423.6K $308.8K $573.5K 66% 13% 26 501(c)(3)
River Management Society Managing public rivers 31-1297130 · FY2024 Takoma Park, MD $374.4K $419.5K $153.1K 41% 0% 501(c)(3)
Amargosa Land Trust Working toward a sustainable future for the Amargosa River and Basin through science stewardship and… 87-0748171 · FY2024 Shoshone, CA $370.4K $241.7K $675.9K 80% 6% 2 501(c)(3)
Pilsen Environmental Rights and Reform Organization Analyzing and educating the public about ENVIRONMENTAL problems in the PILSEN neighborhood. Working to… 20-3464487 · FY2024 Chicago, IL $363.4K $42.1K $331.8K 98% 0% 501(c)(3)
River Raisin Watershed Council Water studies and education 38-2074388 · FY2024 Adrian, MI $355.1K $352.9K $80.4K 92% 0% 501(c)(3)
Alpine Watershed Group Watershed collaboration and stewardship 83-0411414 · FY2023 Markleeville, CA $316.1K $288.3K $148.6K 82% 5% 4 501(c)(3)
Mehoopany Creek Watershed Association Improving the environment and fixing the creeks after storm damage 06-1675726 · FY2023 Mehoopany, PA $237.9K $258.8K $0 100% 0% 501(c)(3)
Malama Pupukea-Waimea Environmental education and stewardship of the Pupukea Marine Life Conservation District 27-0855937 · FY2024 Haleiwa, HI $236.3K $234.8K $195.3K 90% 4% 501(c)(3)
Thumb Land Convervancy The Thumb Land Conservancy works in Michigan's Thumb region to protect natural areas, promote passive outdoor… 41-2247569 · FY2024 Marlette, MI $236.2K $105.5K $1.8M 99% 1% 501(c)(3)
Keuka Lake Association INC LAKE and watershed management 22-2599218 · FY2024 Penn Yan, NY $218.8K $136.8K $488.4K 71% 0% 1 501(c)(3)
Nestucca Neskowin Watershed Council The mission of the council, working in partnership with private and governmental stakeholders, is to improve… 93-1249369 · FY2024 Pacific City, OR $211.2K $199.5K $89.3K 98% 0% 2 501(c)(3)
Megunticook Watershed Association 01-0285516 · FY2024 Camden, ME $172.1K $271.9K 501(c)(3)
Friends of the Sangamon Valley Acquire, maintain, and protect ecologically significant lands in the SANGAMON watershed 37-1390670 · FY2024 Springfield, IL $168.2K $158.9K $3.4M 88% 0% 1 501(c)(3)
Oswego Lake Watershed Council To foster stewardship, education, participation and financial support for the conservation, restoration… 27-5081779 · FY2024 Lake Oswego, OR $154.8K $12.3K 4 501(c)(3)
Winnisquam Watershed Network Monitor Lake Winnisquam Water Quality, Education & Community Involvement Strategies, Develop and implement a… 82-2291755 · FY2024 Winnisquam, NH $154.8K $274.2K 1 501(c)(3)
The Watershed Education Network Natural Resource & Water Education Services 81-0525373 · FY2024 Missoula, MT $149.5K $204.7K 7 501(c)(3)
Brodheads Watershed Association Education and research about water and watersheds 23-2564522 · FY2024 Henryville, PA $147.3K $95.0K $523.6K 38% 5% 1 501(c)(3)
Kalamazoo River Watershed Public Advisory Council Protect and restore local water resources and PUBLIC education 38-3458206 · FY2023 Kalamazoo, MI $140.6K $88.8K 1 501(c)(3)
Spa Creek Conservancy INC Stewardship of the SPA CREEK watershed 41-2069559 · FY2025 Annapolis, MD $138.2K $201.1K $150.7K 97% 0% 501(c)(3)
Lakes Area Outdoor Initiative 83-2837523 · FY2025 Perham, MN $134.2K $163.3K 501(c)(3)
Michigan Forest Resource Alliance The promotion of healthy forests through broad programs of public information, eduacation programs and… 38-2973453 · FY2022 Lansing, MI $126.8K $176.6K $177.9K 96% 0% 501(c)(3)
Watershed Preservation Network 68-0484190 · FY2024 San Geronimo, CA $121.6K $28.4K 501(c)(3)
Grassland Fund Educate public about wetland habitat 77-0312791 · FY2024 Los Banos, CA $100.3K $120.3K 501(c)(3)
Natural Resource Education Center at Moosehead TO provide resource based programming to visitors TO THE Moosehead Lake Region 01-0505918 · FY2024 Greenville, ME $73.9K $415.2K 501(c)(3)
Public Lands for the People 95-4521318 · FY2024 Downey, CA $57.8K $9.3K 501(c)(3)
Niobrara Council Land conservation and education 47-0834274 · FY2024 Valentine, NE $33.6K $117.5K $675.9K 12% 0% 2 501(c)(3)
2,046,138
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214,365
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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