Tap water in Ste. Genevieve, MO — ZIP 63670
4 public water systems serving about 20,778 people. PFAS "forever chemicals" have been detected here.
C
Fair
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 63670
Thomas Hill Pwsd 1
PWSID MO2024504 · serves 11,250 ·
surface water
0 health-based / 3 total violations (5 yrs)
· PFAS up to 9.3 ppt
Ste Genevieve Pws
PWSID MO4010710 · serves 4,999 ·
groundwater
1 health-based / 5 total violations (5 yrs)
Ste Genevieve County Pwsd 1 Sc
PWSID MO4024543 · serves 3,718 ·
groundwater
0 health-based / 0 total violations (5 yrs)
Lake Forest Estates
PWSID MO4036146 · serves 811 ·
groundwater
0 health-based / 0 total violations (5 yrs)
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology