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Ridley Creek supplies 2.7 millions gallons per day of drinking water for 40,000 residents of Upper Providence, Media Borough, Middletown, and Nether Providence Townships.  Aqua Pennsylvania treats this water at its Media plant. In addition, another 815,000 gallons of drinking water is withdrawn daily from wells (both public water supply as well as individual households) in the watershed.
Ridley Creek rises in eastern Chester County in East Whiteland Township on the campus of Immaculata University, and then flows 24 miles southeast through Chester and Delaware Counties to its confluence with the Delaware River between Chester City and Eddystone Borough. The 38 square mile watershed encompasses 17 municipalities and has a population of approximately 62,000 residents. A major asset of the Ridley Creek Watershed is the large contiguous woodlands of Ridley Creek State Park (2,600 acres) and Tyler Arboretum (650 acres).

Although portions of Ridley Creek contain the highest quality water in the region, especially around the wooded areas of Ridley Creek State Park, nearly all of the watershed is listed as impaired by Pennsylvania DEP. Water quality is threatened by polluted stromwater runoff and streambank erosion.

CRC’s programs protect the water resources, beneficial tree canopies, and other natural resources of the Ridley Creek Valley, and the recreational and environmental benefits they afford the residents who live in Delaware County and eastern Chester County.  By supporting CRC, you are helping to safeguard these resources for your family, community, and for future generations.

CRC - Water Resources of the Chester, Ridley, and Crum Creeks in Chester and Delaware Counties, PA
CRC's office is located in the historic farmhouse at Willistown Township's Okehocking Preserve
5316 West Chester Pike, Newtown Square, PA 19073