Washington County Water Company
PWSID IL1895600 · Nashville, Illinois · serves 12,040 people · surface water source
B
Good
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 8.2 ppt | — | 5/15/2024 |
| PFBA | 7.8 ppt | — | 2/5/2025 |
| PFBA | 7.5 ppt | — | 11/20/2024 |
| PFBA | 6.7 ppt | — | 8/13/2024 |
| PFBA | 6.3 ppt | — | 11/20/2024 |
| PFBA | 6.1 ppt | — | 2/5/2025 |
| PFBA | 6 ppt | — | 5/15/2024 |
| PFBA | 5.9 ppt | — | 2/5/2025 |
| PFBA | 5.9 ppt | — | 5/15/2024 |
| PFBA | 5.8 ppt | — | 2/5/2025 |
| PFBA | 5.5 ppt | — | 5/15/2024 |
| PFBA | 5.3 ppt | — | 11/20/2024 |
| PFBA | 5.1 ppt | — | 8/13/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-07-02 | LEAD AND COPPER RULE REVISIONS | RPT | No | Resolved |