City overview · Chester County
PFAS in West Chester, PA
High RiskEPA UCMR 5 tested 5 public water systems serving the West Chester area across 4 ZIP codes. At least one utility serving West Chester has PFAS above the EPA's enforceable limit.
Plain English
01What this means for West Chester
Across the 5 public water systems tested in the West Chester area under EPA UCMR 5, one or more measured a PFAS compound above the federal Maximum Contaminant Level. Contamination varies by utility and neighborhood — find your exact ZIP code below to see the system that serves you. If you're in an affected area, an NSF/ANSI 53 or 58 certified filter (carbon block or reverse osmosis) is the most reliable way to reduce PFAS at the tap.
By utility
02Water systems serving West Chester
- High Risk
AQUA PA MAIN SYSTEM
10 detected · 3 above limit · PWSID PA1460073
- High Risk
AQUA PA SPRING RUN
9 detected · 2 above limit · PWSID PA1150089
- High Risk
AQUA PA UWCHLAN
6 detected · 2 above limit · PWSID PA1150035
- High Risk
AQUA PA WEST CHESTER
5 detected · 1 above limit · PWSID PA1150098
- High Risk
CHESTER WATER AUTHORITY
4 detected · 1 above limit · PWSID PA1230004
By ZIP code
03Find your exact result
Contamination can differ block to block. Select your ZIP code for the precise reading at the utility that serves your address.
Source & Methodology
About this data
City-level figures aggregate the individual public water systems tested under EPA UCMR 5 whose service area falls within the West Chester area. Values reflect water quality at the treatment plant; your home's plumbing can affect what reaches your tap. Select your ZIP above for the utility-specific reading.