Conservation Organizations in Chester County

• Brandywine Conservancy
• Brandywine Red Clay Alliance (merger of Brandywine Valley Association and Red Clay Valley Association)
• Chester-Ridley-Crum Watersheds Association
• Darby-Cobbs Watershed Partnership
• Darby Creek Valley Association
• Delaware Riverkeeper
• Elk Creeks Watershed Association (No website available; contact our office for their current contact information)
• French and Pickering Creeks Conservation Trust
• Green Valleys Watershed Association
• Guardians of the Brandywine
• Land Conservancy for Southern Chester County
• Natural Lands Trust
• Octoraro Watershed Association
• Open Lands Conservancy of Chester County
• Pennsbury Land Trust 
• Stroud Water Research Center
• Valley Creek Restoration Partnership (No website available; contact our office)
• Valley Forge Trout Unlimited
• West Chester Fish, Game and Wildlife Association
• West Pikeland Land Trust
• White Clay Watershed Association
• White Clay Creek Watershed Management Committee
• Willistown Conservation Trust

County Links

• Chester County Planning Commission
• Landscapes, Chester County's Comprehensive Plan
• Chester County Conservation District
• Chester County Health Department

Water Data Links

• U.S. Geological Survey (Chester County studies web page)
• U.S. Geological Survey (Pennsylvania web page)
• U.S. Geological Survey (National web page)
• Pennsylvania Geological Survey
• Middle Atlantic River Forecast Center

Government and Related Agencies

• U.S. Environment Protection Agency (EPA)
• PA Department of Environmental Protection
• Delaware River Basin Commission
• Susquehanna River Basin Commission
• Mid-Atlantic Council for Safe Dams (Association of State Dam Safety Officials)
• PA Rural Water Association
• University of Delaware Water Resources Agency
• USDA Natural Resources Conservation Service
• Pennsylvania State University Cooperative Extension

Local Commercial Water Quality Laboratories

• Chester County Health Department - Water Testing Information