Tap water in Farmington, MO — ZIP 63640
3 public water systems serving about 32,967 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 63640
Farmington Pws
PWSID MO4010270 · serves 18,217 ·
groundwater
2 health-based / 4 total violations (5 yrs)
· PFAS up to 4.8 ppt
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
Farmington Correctional Center
PWSID MO4069041 · serves 3,500 ·
groundwater
3 health-based / 9 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