Southern Okla Water Corp
PWSID OK1010830 · Ardmore, Oklahoma · serves 11,250 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| 6:2 FTS | 11.2 ppt | — | 6/9/2025 |
| PFBA | 6.4 ppt | — | 9/2/2025 |
| PFPeA | 5.2 ppt | — | 6/9/2025 |
| PFHxA | 3.4 ppt | — | 6/9/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-04-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Archived |
| 2026-04-01 | TTHM | MCL | Yes | Archived |
| 2026-04-01 | TTHM | MCL | Yes | Archived |
| 2026-04-01 | CARBON, TOTAL | TT | Yes | Archived |
| 2026-01-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Archived |
| 2026-01-01 | TTHM | MCL | Yes | Archived |
| 2026-01-01 | TTHM | MCL | Yes | Archived |
| 2026-01-01 | TTHM | MCL | Yes | Archived |
| 2025-10-01 | CARBON, TOTAL | TT | Yes | Archived |
| 2025-10-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Archived |
| 2025-10-01 | TTHM | MCL | Yes | Archived |
| 2025-10-01 | TTHM | MCL | Yes | Archived |
| 2025-10-01 | TTHM | MCL | Yes | Archived |
| 2025-07-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Archived |
| 2025-07-01 | TTHM | MCL | Yes | Archived |
| 2025-07-01 | TTHM | MCL | Yes | Archived |
| 2025-05-01 | Interim Enhanced Surface Water Treatment Rule | TT | Yes | Resolved |
| 2025-04-01 | TTHM | MCL | Yes | Archived |
| 2025-01-01 | TTHM | MCL | Yes | Archived |
| 2024-10-01 | TTHM | MCL | Yes | Archived |
| 2024-10-01 | TTHM | MCL | Yes | Archived |
| 2024-07-01 | TTHM | MCL | Yes | Archived |
| 2024-07-01 | TTHM | MCL | Yes | Archived |
| 2024-04-01 | TTHM | MCL | Yes | Archived |
| 2024-01-01 | TTHM | MCL | Yes | Archived |
| 2023-10-01 | TTHM | MCL | Yes | Archived |
| 2023-07-01 | TTHM | MCL | Yes | Archived |
| 2023-07-01 | TTHM | MCL | Yes | Archived |
| 2023-04-01 | TTHM | MCL | Yes | Archived |
| 2023-04-01 | TTHM | MCL | Yes | Archived |
| 2023-01-01 | TTHM | MCL | Yes | Archived |
| 2022-10-01 | TTHM | MCL | Yes | Archived |
| 2022-07-01 | TTHM | MCL | Yes | Archived |
| 2022-04-01 | TTHM | MCL | Yes | Archived |
| 2022-04-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Archived |
| 2022-01-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Archived |
| 2022-01-01 | Total Haloacetic Acids (HAA5) | MCL | Yes | Archived |
| 2022-01-01 | TTHM | MCL | Yes | Archived |
| 2022-01-01 | TTHM | MCL | Yes | Archived |