Welcome to the Chester- Ridley-Crum Watersheds!

Chester - Ridley - Crum Watersheds Association (CRC) is a nonprofit environmental organization located in Delaware County, Pennsylvania. Founded in 1970, CRC is the only watershed organization devoted to the protection of the water resources of the Chester, Ridley, and Crum Creek Valleys in both Chester and Delaware Counties.

Find Your Watershed!
Get Involved!

CRC is a volunteer based organization whose primary source of funding comes from concerned residents, local businesses, and municipalities in our watersheds. Your membership contribution is vital to supporting our work in protecting your local water and natural resources.