Tap water in Lancaster, PA — ZIP 17505

1 public water system serving about 120,000 people. PFAS "forever chemicals" have been detected here.

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 17505

City Of Lancaster

PWSID PA7360058 · serves 120,000 · surface water

1 health-based / 3 total violations (5 yrs) · PFAS up to 28.8 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