💧 ZIP Water Report

Tap water in Summerville, SC — ZIP 29485

5 public water systems serving about 427,473 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 29485

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
F
Summerville Cpw (Sc1810003)
PWSID SC1810003 · serves 81,750 · surface water
0 health-based / 0 total violations (5 yrs) · PFAS up to 8.1 ppt — above federal limit
C
Dcwa Knightsville (Sc1820001)
PWSID SC1820001 · serves 40,141 · surface water
0 health-based / 0 total violations (5 yrs) · PFAS up to 8.1 ppt — above federal limit
C
Dcws Ashley Phosphate (Sc1820008)
PWSID SC1820008 · serves 26,536 · surface water
0 health-based / 2 total violations (5 yrs) · PFAS up to 7.4 ppt — above federal limit
D
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
C

Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology