Tap water in Oxford, PA — ZIP 19363
2 public water systems serving about 145,717 people. PFAS "forever chemicals" have been detected here.
F
Failing
PFAS detected: at least one system serving this ZIP reported PFAS in EPA UCMR 5
testing. Levels and the 2024 federal limits are shown per system below.
Water systems serving 19363
Chester Water Authority
PWSID PA1230004 · serves 140,437 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 5.1 ppt — above federal limit
Oxford Borough
PWSID PA1150066 · serves 5,280 ·
surface water
0 health-based / 5 total violations (5 yrs)
· PFAS up to 6.6 ppt — above federal limit
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology