Tap water in Millersville, PA — ZIP 17551
2 public water systems serving about 127,950 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 17551
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
Millersville Univ
PWSID PA7360127 · serves 7,950 ·
groundwater
0 health-based / 3 total violations (5 yrs)
· PFAS up to 7.7 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