Chicago Heights
PWSID IL0310450 · Chicago Heights, Illinois · serves 26,184 people · surface water source
B
Good
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-01-01 | TTHM | MR | No | Resolved |
| 2026-01-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2025-01-01 | TTHM | MR | No | Resolved |
| 2025-01-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2023-10-01 | Lead and Copper Rule | MR | No | Resolved |