Durham, City Of
PWSID NC0332010 · Durham, North Carolina · serves 333,490 people · surface water source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBS | 6.5 ppt | — | 2/20/2023 |
| PFBS | 6.3 ppt | — | 2/20/2023 |
| PFBS | 5.9 ppt | — | 5/9/2023 |
| PFOS | 5.8 ppt | 4 ppt | 2/20/2023 |
| PFOS | 5.8 ppt | 4 ppt | 2/20/2023 |
| PFBS | 5.6 ppt | — | 11/14/2023 |
| PFOS | 5.6 ppt | 4 ppt | 11/14/2023 |
| PFOS | 5.6 ppt | 4 ppt | 5/9/2023 |
| PFBS | 5.4 ppt | — | 8/8/2023 |
| PFBA | 5.2 ppt | — | 5/9/2023 |
| PFBS | 5.2 ppt | — | 8/8/2023 |
| PFOS | 5.2 ppt | 4 ppt | 8/8/2023 |
| PFBS | 4.9 ppt | — | 5/9/2023 |
| PFOS | 4.9 ppt | 4 ppt | 8/8/2023 |
| PFOS | 4.5 ppt | 4 ppt | 5/9/2023 |
| PFOA | 4.1 ppt | 4 ppt | 11/14/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2023-02-11 | Revised Total Coliform Rule | RPT | No | Resolved |