Tap water in North Wales, PA — ZIP 18914
6 public water systems serving about 226,580 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 18914
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
Nwwa Warrington Township
PWSID PA1090070 · serves 21,588 ·
surface water
0 health-based / 26 total violations (5 yrs)
· PFAS up to 7 ppt
Dtma Main System
PWSID PA1090128 · serves 8,655 ·
surface water
0 health-based / 7 total violations (5 yrs)
· PFAS up to 14.2 ppt — above federal limit
Aqua Pa Chalfont
PWSID PA1090005 · serves 5,900 ·
groundwater
0 health-based / 2 total violations (5 yrs)
· PFAS up to 19 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