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Chester - Ridley - Crum Watersheds Association

Chester - Ridley - Crum Watersheds Association

Ridley Creek Map

Ridley Creek Watershed

Ridley Creek is foremost a High Quality Stream with outstanding water- linked recreational resources in need of protection.  The water resources of Ridley Creek are being threatened, as runoff from development increases pollution, streambank erosion, and sedimentation of the Creek and its tributaries.

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.  

Ridley Creek rises in eastern Chester County in East Whiteland Township in 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).    

Ridley Creek as a Drinking Water Source

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 In addition, another 815,000 gallons of drinking water is withdrawn daily from wells (both public water supply as well as individual households) in the watershed.

See Watersheds, an Integrated Water Resources Plan by the Chester County Water Resources Authority, which discusses all of Chester County's watersheds including all of the Ridley Creek drainage area. To download a one page Ridley Creek summary, click here.


Chester - Ridley - Crum Watersheds Association
P.O. Box 227 • Gradyville, PA 19039
p: 610-359-1440 • crc@nni.com

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