💧 ZIP Water Report

Tap water in Williamstown, IL — ZIP 62338

3 public water systems serving about 20,850 people.

A
Excellent

Water systems serving 62338

Clark County Cons Pwsd 1
PWSID MO2024138 · serves 8,000 · groundwater
0 health-based / 2 total violations (5 yrs)
A
Abs Water Coop
PWSID IL0015350 · serves 7,095 · groundwater
0 health-based / 0 total violations (5 yrs)
A
Mill Creek Pwd
PWSID IL0015300 · serves 5,755 · groundwater
0 health-based / 1 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