Maps, Reports and Data

Below are 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.
Interactive Maps

View a collection of interactive maps that show various water resources information where you can search for a specific location look over information broadly. See the maps ...
Paper Maps

Presented here is a collection of static maps that show various water resources information on a county-wide map. See the maps ...
USGS-Chester County Cooperative Program

Monitoring data and information gathered by USGS scientists for Chester County (water quality, turbidity/sediment, and biodiversity) provide scientific data to help assess the state of our watersheds. Learn more ...
Water Quality Reports

From the water we drink to the streams, lakes, and rivers in which we play, the conditions of Chester County’s water resources impact the lives of every resident. Monitoring of water quality allows us to evaluate progress and whether or not we are maintaining or improving water resources.. Learn more ...
Chloride Factsheet

While the current chloride levels are below the drinking water standard, the trend is increasing and is expected to continue to increase. View the factsheet.
Watersheds Plan

Watersheds was adopted in 2002 by the Chester County Board of Commissioners as the water resources element of the County's Comprehensive Plan, Landscapes. One of the components of Watersheds are specific strategies, criteria, and recommendations for municipalities and others to protect water resources while accommodating for planned growth. Learn more ...
County-Wide Stormwater Management Plan

The purpose of the County-wide Stormwater Management Plan is to reduce stormwater runoff and flooding, and improve water quality in all watersheds of Chester County. Learn more ...
Small Pond Management

A 2004 collaborative study led by West Chester University described some of the principle factors that affect the health of the ponds within the County and outlined some techniques to assist owners in managing their ponds. Learn more ...
Public Factsheets

CCWRA has prepared multiple fact sheets on water resources issues facing Chester County. Learn more ...

List of Watershed Plans Completed for Waters/Watersheds in Chester County

This Compilation of all plans and studies in Chester County were conducted by various entities and agencies, some plans dating as far back as 1968. The type of plans included range from water resources inventory studies to restoration plans to watershed conservation plans. The list does not include scientific research studies that occurred in Chester County’s watersheds. A sampling of some of this local research conducted by USGS can be found here.

Additional Publications