Oak Brook
PWSID IL0430700 · Oak Brook, Illinois · serves 9,400 people · surface water source
A
Excellent
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2024-07-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2024-07-01 | Consumer Confidence Rule | Other | No | Resolved |
| 2023-10-01 | Lead and Copper Rule | MR | No | Resolved |