Tap water in Wallingford, CT — ZIP 06473
2 public water systems serving about 456,167 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 06473
Regional Water Authority
PWSID CT0930011 · serves 418,900 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 10.7 ppt — above federal limit
Wallingford Water Department
PWSID CT1480011 · serves 37,267 ·
surface water
0 health-based / 22 total violations (5 yrs)
· PFAS up to 13.9 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