Guthrie
PWSID OK1020903 · Guthrie, Oklahoma · serves 9,925 people · surface water source
C
Fair
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 8.4 ppt | — | 10/7/2025 |
| PFBA | 6.2 ppt | — | 5/19/2025 |
| PFPeA | 4.8 ppt | — | 5/19/2025 |
| PFHxA | 4.4 ppt | — | 5/19/2025 |
| PFBS | 3.8 ppt | — | 5/19/2025 |
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 | Chlorite | MR | No | Archived |
| 2025-07-01 | TTHM | MR | No | Resolved |
| 2025-07-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2025-07-01 | Chlorite | MR | No | Archived |
| 2025-02-01 | Interim Enhanced Surface Water Treatment Rule | MR | No | Resolved |
| 2025-02-01 | Chlorine dioxide | MR | No | Resolved |