Tap water in Philadelphia, PA — ZIP 19131
2 public water systems serving about 2,422,600 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 19131
Philadelphia Water Department
PWSID PA1510001 · serves 1,600,000 ·
surface water
0 health-based / 5 total violations (5 yrs)
· PFAS up to 10 ppt — above federal limit
Aqua Pa Main System
PWSID PA1460073 · serves 822,600 ·
surface water
1 health-based / 29 total violations (5 yrs)
· PFAS up to 21.8 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