Cherokee Co. Rwd #11
PWSID OK1221637 · Hulbert, Oklahoma · serves 3,395 people · surface water source
B
Good
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFHxA | 5.5 ppt | — | 3/10/2025 |
| PFPeA | 5.2 ppt | — | 3/10/2025 |
| PFBS | 4.1 ppt | — | 3/10/2025 |
| PFBS | 3.6 ppt | — | 12/2/2025 |
| PFBS | 3.1 ppt | — | 9/17/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-10-01 | Interim Enhanced Surface Water Treatment Rule | MR | No | Resolved |
| 2025-09-01 | Interim Enhanced Surface Water Treatment Rule | MR | No | Resolved |