Duquoin
PWSID IL1450100 · Duquoin, Illinois · serves 7,169 people · surface water source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 5.8 ppt | — | 7/16/2024 |
| PFBA | 5.7 ppt | — | 1/10/2024 |
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 | Unaddressed |
| 2025-08-22 | Public Notice | Other | No | Resolved |
| 2025-07-02 | LEAD AND COPPER RULE REVISIONS | RPT | No | Resolved |
| 2025-07-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2025-07-01 | Chloramine | MR | No | Resolved |
| 2024-10-17 | LEAD AND COPPER RULE REVISIONS | TT | Yes | Unaddressed |
| 2023-07-01 | TTHM | MR | No | Resolved |
| 2023-07-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |