💧 ZIP Water Report

Tap water in Oak Lawn, IL — ZIP 60453

1 public water system serving about 58,362 people.

A
Excellent

Water systems serving 60453

Oak Lawn
PWSID IL0312220 · serves 58,362 · surface water
0 health-based / 3 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