Chester County Water Resources Authority

Notice: COVID-19


In response to the COVID-19 health emergency, Chester County Water Resources Authority will continue to provide services and programs while our staff works remotely. We encourage you to look for answers to your questions and concerns online, or send us an email at [email protected]. Visitors will be seen by appointment only. To schedule an appointment, please contact us by email or call 610-344-5400 to leave a message, and we will respond as soon as possible.

We appreciate your patience and understanding during this time.  Please continue to follow all CDC and PA Department of Health guidelines to help control the spread of COVID-19.  A reminder of the guidelines to be followed are found at restorechestercounty.org.  

Our Programs

Water Resources Plans and Updates Underway

Updating Chester County's
Water Resources Plans



To ensure that our residents and businesses are equipped to respond to evolving water resources needs, Chester County is leading updates to the Watersheds Plan and the County-wide Stormwater Management Plan.

Learn More
Water Quality in Chester County

Water Quality in Chester County



Clean water in our groundwater aquifers, streams and lakes is critical to long-term healthy communities. Learn about PADEP's assessment program, resources from MS4 municipalities, and information about TMDL pollution reduction programs.

Learn More
Flooding and Stormwater Reduction

Flood Protection



CCWRA provides information on FEMA floodplains as well as real time stream flood monitoring through a partnership with USGS. The Authority also provides flood protection in the Brandywine Creek watershed through the operation of four flood control dams, and has information on preparing for flooding emergencies.

Learn More
Maps, Reports and Data

Maps, Reports, and Data



Find both interactive and print-ready maps on water quality conditions, floodplains, and other key water resources components, as well as reports on water conditions in the County, and various factsheets.

Learn More
Get Involved Local Watershed Groups

Get Involved ...
Local Watershed Groups



Chester County is fortunate to have watershed and conservation organizations that are active with on-the-ground improvement projects, outreach and community education.

Learn More
Sustainable Water Supply Management

Sustainable Water Supply Management



CCWRA assists with sustainable water management by providing reservoir water supplies, through planned and managed water releases from Chambers Lake Reservoir. Learn about our reservoir management as well as water conseration tips.

Learn More