Tap water in Bryn Mawr, PA — ZIP 19021
3 public water systems serving about 910,328 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 19021
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
Aqua Pa Bensalem
PWSID PA1090078 · serves 59,001 ·
surface water
0 health-based / 2 total violations (5 yrs)
· PFAS up to 15.5 ppt — above federal limit
Aqua Pa Bristol
PWSID PA1090001 · serves 28,727 ·
surface water
0 health-based / 1 total violations (5 yrs)
· PFAS up to 4.5 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