💧 ZIP Water Report

Tap water in Williamstown, MO — ZIP 63447

1 public water system serving about 8,000 people.

A
Excellent

Water systems serving 63447

Clark County Cons Pwsd 1
PWSID MO2024138 · serves 8,000 · groundwater
0 health-based / 2 total violations (5 yrs)
A

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