Johnston City
PWSID IL1990500 · Johnston City, Illinois · serves 3,509 people · surface water source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 5.2 ppt | — | 11/7/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-01-01 | Lead and Copper Rule | MR | No | Resolved |
| 2025-08-22 | Public Notice | Other | No | Resolved |
| 2025-07-01 | Lead and Copper Rule | MR | No | Resolved |
| 2024-10-17 | LEAD AND COPPER RULE REVISIONS | TT | Yes | Resolved |
| 2024-07-01 | Consumer Confidence Rule | Other | No | Resolved |