Tap water in Rochester, PA — ZIP 15042
2 public water systems serving about 23,776 people. PFAS "forever chemicals" have been detected here.
C
Fair
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 15042
Ambridge Water Auth
PWSID PA5040008 · serves 19,500 ·
surface water
1 health-based / 14 total violations (5 yrs)
New Sewickley Twp Muni Auth
PWSID PA5040085 · serves 4,276 ·
surface water
0 health-based / 1 total violations (5 yrs)
· PFAS up to 26.9 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology