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Online Water Maps Gallery - PDF Maps
Presented here is a collection of static maps that show various water resources information on a county-wide map. Please visit Tips, Sources, Access Use and Constraints for important information about the data presented on the maps. The following PDF maps can be viewed, downloaded or printed:
Watershed Maps and Hydrologic Unit Code Maps
- Watersheds of Chester County (with Municipal Boundaries) or (11x17)
- Map of 8-Digit Hydrologic Unit Codes (HUC-8) in Chester County
Useful map to determine the 8-digit HUC code for your watershed. Among other uses, this will help you find local impaired streams listed in the PADEP 2014 Integrated Report. - Map of 12-Digit Hydrologic Unit Codes (HUC-12) in Chester County
Useful map that shows the boundaries of 8,10 and 12-digit HUC codes with labels showing the HUC-12 codes of Chester County watersheds. 12-digit HUC codes are the smallest order watersheds identified under this hierarchical system.
Bathymetric Map of Chambers Lake at Hibernia County Park
- View this map to see the depths and contours of Chambers Lake to see how deep or shallow the lake is (2 foot intervals).
Stormwater and Pollution Reduction Maps
MS4 Stormwater Permits
Impaired Waters
Current Impaired Waters Maps
Archived Impaired Waters Maps
Total Maximum Daily Loads (TMDLs)
County Based Maps
Chesapeake Bay TMDL
Christina River Basin TMDL General Mapping
Christina River Basin: CTIP Implementation Plan (Plan Development Maps)
- CP-1. Christina Plan Participants and NPDES Phase II (MS4) Status (as of February 17, 2011)
- CP-2. 1998 Christina Sediment TMDL Impaired Streams and 2005 Urbanized Areas
- CP-3. PADEP 2010 Impaired Streams - Siltation and Suspended Solids
- CP-4. 2010 PADEP Impaired Streams - All Causes
- CP-5. 1998 Christina Sediment TMDL Impaired Streams and TMDL Subbasins
Maps - Handouts from May 2011 meeting
Protected Use Maps
- Chester County, PA Waters - Protected Uses Map 1 - Special Protection Waters (EV/HQ)
(11x17, color, 6.5MB)
- Chester County, PA Waters - Protected Uses Map 2 - Aquatic Life Fishery Designations
(11x17, color, 6.1MB)
Flood and Stormwater Management Maps
- Chester County, PA - PA Act 167 Stormwater Management Planning
- CCWRA Regional Flood Control and Reservoir Project Locations
- Planning for Dam Safety