💧 ZIP Water Report

Tap water in Williamsville, IL — ZIP 62684

1 public water system serving about 6,198 people.

A
Excellent

Water systems serving 62684

Williamsville
PWSID IL1671300 · serves 6,198 · surface water
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