Welcome to the Chester, Ridley, and Crum Watersheds!
The Chester Ridley Crum Watersheds Association (CRC) is a nonprofit environmental organization 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 Chester and Delaware Counties, Pennsylvania.
Volunteer tree planting
Private property in Willistown
May 30 - 9:00 am - 12:00 pm
Please email or call 610-359-1440 for details on meeting places.
18th Annual CRC Streams Cleanup
Sites postponed from 4/25 will be re-scheduled soon.
See the Streams Cleanup page for more information.