Oak Lawn
PWSID IL0312220 · Oak Lawn, Illinois · serves 58,362 people · surface water source
A
Excellent
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | Consumer Confidence Rule | Other | No | Unaddressed |
| 2023-07-01 | Consumer Confidence Rule | Other | No | Resolved |
| 2022-12-30 | Lead and Copper Rule | MR | No | Resolved |