Tap water in Summerville, SC — ZIP 29456
2 public water systems serving about 279,046 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 29456
Charleston Water System (Sc1010001)
PWSID SC1010001 · serves 278,771 ·
surface water
2 health-based / 2 total violations (5 yrs)
· PFAS up to 6.5 ppt — above federal limit
Dcwa Calomet Valley (1850009)
PWSID SC1850009 · serves 275 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 7 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