- Arana Gulch Watershed Alliance (AGWA)
 - Dedicated to protecting the Arana Gulch Watershed through resource management, habitat enhancement, and public education. - Bridging the Watershed
- National Park Labs partnership between Potomac area National Parks and schools.
- Catskill Watershed Corporation
- Implementing environmental protection and community development programmes in the New York City watershed west of the Hudson River.
- Center for Watershed Protection
- Independent research and technical support to professionals to find new, cooperative ways of protecting and restoring our nation's watersheds.
- Chautauqua Watershed Conservancy
- Mission is to preserve and enhance the water quality and ecological health of the lakes, streams, and watersheds of the Chautauqua region.
- Cherry Creek Watershed Study
- Will determine solutions that will improve water quality and habitat in Cherry Creek.
- Cook Inlet Keeper
- Nonprofit organisation monitors water quality in order to protect the Cook Inlet and Kachemak Bay watershed and the life it sustains.
- Croton Watershed Clean Water Coalition (CWCWC)
- Dedicated to protecting, maintaining, and improving the quality of the waters that make up the Croton Watershed.
- Ecosystems, Biomes, and Watersheds: Definitions and Use
- 1993 Congressional Research Service Report.
- EPA Office of Wastewater Management@
- EPA Office of Wetlands, Oceans, & Watersheds@
- Fraser Valley Regional Watersheds Coalition
- Working to promote the understanding and action of communities in the Fraser Valley area to achieve healthy watersheds and the communities that they support.
- French Creek Watershed (2)
- Friends of the Croton Watershed
- Devoted to improving New York City's watershed through environmentally sound alternatives to filtration.
- Friends of the Occoquan
- Working to preserve the natural integrity of the Occoquan watershed, the main source of drinking water, fishing, and water sport for northern Virginia.
- Friends of the Rouge
- Promoting restoration and stewardship of the Rouge River ecosystem through education and citizen involvement in improving the quality of life for all organisms within the watershed.
- Great Artesian Basin@
- Gulf of Maine Council on the Marine Environment
- Promotes stewardship activities in the Gulf and its watershed.
- Gunnison Basin Selenium Task Force
- Group of local, state, and federal interests committed to finding ways to reduce selenium concentrations in the Western Colorado watershed.
- Information Integration for Watershed Planning and Risk Assessment
- Pilot project using GIS focusing on risk assessments of eastern Sierra Nevada biological species and fire hazards.
- Lake Eyre Basin@
- Learn about the Lake Eyre Basin, the drainage basin that covers one-sixth of all Australia. Sites include info on bathymetry, tributary details, statistics, and intergovermental projects on one of the largest internal drainage systems in the world.
- Michigan Watershed
- Resources for and about Michigan watersheds, watershed organisations, management, and programmes.
- Minnesota Association of Watershed Districts (MAWD)
- Represents 42 watershed districts in the state. Watershed districts are partners in water protection and management.
- Muggah Creek Watershed@
- Murray-Darling Basin@
- North Carolina Watershed Projects
- Cooperating with other agencies in a variety of watershed projects spanning all three physiographic regions of the state.
- Oyster Pond Environmental Trust, Inc.
- Nonprofit organisation dedicated to protecting and studying the health of the Oyster Pond watershed in Falmouth, Cape Cod, Massachusetts.
- Rio Grande Alliance
- Alliance concerned with the protection, improvement, and conservation of the Rio Grande Watershed.
- Rockingham County Watershed Preservation Coalition
- Mission is to protect river, watershed, and groundwater resources within the county.
- Rouge River National Wet Weather Demonstration Project
- A comprehensive programme dealing with the problems of combined sewer overflows, polluted storm water runoff, and various other nonpoint source pollutants.
- Sacramento River Watershed Program
- Wide coalition of people who care about the quality of the water and quality of life in the Sacramento River Watershed.
- Salmon River Enhancement Society
- Citizens working to protect and enhance Langley's watershed.
- Salmon River Restoration Council
- Community-based watershed management group on northern California's Salmon River.
- Santa Ana Watershed Project Authority
- Joint powers agency dedicated to protecting water quality in the Santa Ana River watershed.
- Saving Our Watersheds
- National Wildlife Federation guide familiarising people with common water quality threats and highlighting ways to clean and protect water systems.
- Slippery Rock Watershed Coalition
- Working to restore the land, water, and wildlife resources of the Slippery Rock Watershed, which has been impacted by acid mine drainage.
- Steelhead Society of BC, The
- Nonprofit watershed conservation organisation dedicated to protecting, enhancing, and restoring British Columbia's wild salmon and steelhead habitat.
- Stony Brook Millstone Watershed Association
- Maintains and preserves the local watershed, runs an organic farm, and educates local residents in Pennington, New Jersey.
- Surf Your Watershed (2)
- Susquehanna River Basin Commission (SRBC)
- Water management agency serving the Susquehanna River watershed.
- Thames River Anglers Association
- Group of anglers working to preserve the fisheries in the Thames River watershed.
- Tobyhanna Creek/Tunkhannock Creek Watershed Association
- Grassroots volunteers working to preserve one of Earth's last great places.
- Tri-County Leech Lake Watershed
- Project and foundation working towards conservation.
- Upper White River Watershed Alliance
- Consortium of local governments, industry leaders, agriculture, and regional communities in central Indiana.
- US EPA: Adopt Your Watershed
![[new]](http://eur.i1.yimg.com/eur.yimg.com/i/uk/g/new2.gif) - Official site for Adopt Your Watershed campaign, by U.S. Environmental Protection Agency, features information on how to steward water resources including streams, rivers, lakes, and wetlands. - Watershed Agricultural Council
- Protects the New York City water supply for consumers and promotes agricultural and forestry practices in the Catskill region.
- Wetlands of the Central and Southern California Coast and Coastal Watersheds
- A methodology for their classification and description.
- White Clay Watershed Association
- Community group concerned with environmental issues and history for the White Clay Creek watershed in Chester County, PA and New Castle County, DE.
- www.deschuteswatersheds.org
- Clearinghouse of watershed organisations and information for Oregon's Deschutes River Basin.
- York Watershed Council
- York River Basin's seven SWCDs take advantage of the opportunity that the Chesapeake Bay Tributary Nutrient Reduction Strategy process represents.
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