Chester County Water Resources Authority

What We Do

We provide:
  • flood protection
  • reservoir water supplies
  • water science, information and planning 
  • stormwater management planning
Today's Water Levels

Updating Chester County’s Water Plans

Announcing: The Chester County Water Resources Authority is hosting a series of public input meetings throughout the County this fall to gather input on topics to include in the updates to the County's Water Plans. We encourage you to attend a meeting convenient to you. Click here for more details. 
  • Thursday, November 21: Kennett Fire Company
  • Wednesday, December 4: Phoenixville Borough Hall
  • Thursday, December 12: East Goshen Township Building

Learn about the planning process for updating Watersheds and the County-wide Act 167 Stormwater Management Plan here.

The Model Ordinance Amendment for Act 15 "High Tunnels" exemption is here.

2019 Municipal Stormwater Summit

Links to the information and presentations given at the recent Stormwater Summit highlighting changing trends in growth, rainfall patterns, and stormwater in Chester County.

Chester County Water Quality Summary: Chloride Fact Sheet

Find out how chloride, frequently used in roadway de-icing, affects county watersheds.

Things to Know


What is a Watershed - and How Does it Work?

Understanding what a watershed is and how it works is the first step to clean water for our communities and our environment. Find out more. 

Current Water Conditions

A set of color graphs and maps presents a visual snapshot of current rainfall amounts, groundwater levels and streamflow conditions for Chester County.

Streams and Lakes of Chester County

You can find out  information about the streams and lakes in Chester County through interactive maps, an overview summary, and more

Chester County Municipalities

Stormwater management and water resources information available to assist local municipalities

Things to Do


Upcoming Events

We are in process of updating the county-wide comprehensive water resources and stormwater water management plan and want to know what water means to you! Six public input meetings are  planned for your opportunity to provide input. See the list above. Looking forward to your input!

Join a Watershed Conservation Organization

There are many local Water Conservation groups. Get involved with one that protects your local watershed.

Help at Various Clean-up Events throughout our Watersheds

Find an event via Keep Pennsylvania Beautiful website. Also check with your local watershed association or municipality. 

Participate in the Volunteer Rainfall Observer Network

Volunteer to keep a daily log of rain gauge readings and submit the log on a monthly basis. 

Right-To-Know Information

Chester County Water Resources Authority's Right-To-Know information