Tap water in Warrington, PA — ZIP 18974
5 public water systems serving about 962,670 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 18974
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
Bcwsa Main Lower South
PWSID PA1090079 · serves 52,621 ·
surface water
5 health-based / 10 total violations (5 yrs)
· PFAS up to 19 ppt — above federal limit
Northampton Bucks Co Mun Auth
PWSID PA1090089 · serves 36,750 ·
surface water
0 health-based / 105 total violations (5 yrs)
· PFAS up to 23 ppt — above federal limit
Warminster Municipal Authority
PWSID PA1090069 · serves 36,000 ·
surface water
0 health-based / 4 total violations (5 yrs)
· PFAS up to 28.5 ppt
Warwick Twp Water & Sewer Auth
PWSID PA1090127 · serves 14,699 ·
surface water
0 health-based / 3 total violations (5 yrs)
· PFAS up to 17.2 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