Tap water in Williamstown, MO — ZIP 62334
2 public water systems serving about 14,370 people.
A
Excellent
Water systems serving 62334
Clark County Cons Pwsd 1
PWSID MO2024138 · serves 8,000 ·
groundwater
0 health-based / 2 total violations (5 yrs)
Dallas Rural Water District
PWSID IL0710010 · serves 6,370 ·
groundwater
0 health-based / 2 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