Tap water in North Wales, PA — ZIP 19454
3 public water systems serving about 190,437 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 19454
North Penn Water Authority
PWSID PA1460034 · serves 91,941 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 5.1 ppt — above federal limit
North Wales Water Authority
PWSID PA1460048 · serves 72,496 ·
surface water
0 health-based / 4 total violations (5 yrs)
· PFAS up to 13 ppt — above federal limit
Horsham Water&sewer Authority
PWSID PA1460033 · serves 26,000 ·
surface water
0 health-based / 99 total violations (5 yrs)
· PFAS up to 65.3 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