Sanitary District #4
PWSID OH2501003 · Columbus, Ohio · serves 8,575 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFHxA | 22 ppt | — | 11/12/2024 |
| PFBA | 17 ppt | — | 11/12/2024 |
| PFPeA | 17 ppt | — | 11/12/2024 |
| PFBS | 11 ppt | — | 11/12/2024 |
| PFBA | 7.3 ppt | — | 8/14/2024 |
| PFOA | 7.2 ppt | 4 ppt | 11/12/2024 |
| PFPeA | 5.9 ppt | — | 8/14/2024 |
| PFBA | 5.8 ppt | — | 5/15/2024 |
| PFHxA | 5.6 ppt | — | 8/14/2024 |
| PFHpA | 5.4 ppt | — | 11/12/2024 |
| PFBA | 5.1 ppt | — | 2/13/2024 |
| PFHxA | 4.9 ppt | — | 5/15/2024 |
| PFHxA | 4.8 ppt | — | 2/13/2024 |
| PFBS | 4.7 ppt | — | 8/14/2024 |
| PFPeA | 3.6 ppt | — | 5/15/2024 |
| PFPeA | 3.1 ppt | — | 2/13/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-12-10 | Consumer Confidence Rule | Other | No | Unaddressed |
| 2024-10-17 | LEAD AND COPPER RULE REVISIONS | TT | Yes | Resolved |
| 2024-10-17 | LEAD AND COPPER RULE REVISIONS | RPT | No | Resolved |