Altus
PWSID OK1011501 · Altus, Oklahoma · serves 18,717 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 5.5 ppt | — | 9/4/2024 |
| PFBA | 5.3 ppt | — | 6/5/2024 |
| PFHxS | 3.3 ppt | 10 ppt | 9/4/2024 |
| PFHxS | 3 ppt | 10 ppt | 6/5/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-02-01 | CARBON, TOTAL | MR | No | Archived |
| 2026-02-01 | CARBON, TOTAL | MR | No | Archived |
| 2025-04-01 | Interim Enhanced Surface Water Treatment Rule | MR | No | Resolved |
| 2025-04-01 | Chlorine dioxide | MR | No | Resolved |
| 2025-01-01 | TTHM | MCL | Yes | Archived |
| 2025-01-01 | TTHM | MCL | Yes | Archived |
| 2025-01-01 | Atrazine | MR | No | Resolved |
| 2024-12-30 | TTHM | MR | No | Resolved |
| 2024-10-01 | TTHM | MCL | Yes | Archived |
| 2024-10-01 | TTHM | MCL | Yes | Archived |
| 2024-10-01 | TTHM | MCL | Yes | Archived |
| 2024-10-01 | TTHM | MCL | Yes | Archived |
| 2024-10-01 | Atrazine | MR | No | Resolved |
| 2024-08-01 | CARBON, TOTAL | MR | No | Resolved |
| 2024-08-01 | CARBON, TOTAL | MR | No | Resolved |
| 2024-07-01 | TTHM | MCL | Yes | Archived |
| 2024-07-01 | 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 |
| 2024-04-01 | TTHM | MCL | Yes | Archived |
| 2024-04-01 | TTHM | MCL | Yes | Archived |
| 2024-04-01 | TTHM | MCL | Yes | Archived |
| 2024-03-31 | TTHM | MR | No | Resolved |
| 2024-01-01 | Surface Water Treatment Rule | TT | Yes | Resolved |
| 2024-01-01 | Surface Water Treatment Rule | TT | Yes | Resolved |
| 2024-01-01 | TTHM | MCL | Yes | Archived |
| 2024-01-01 | TTHM | MCL | Yes | Archived |
| 2023-06-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2022-09-01 | Interim Enhanced Surface Water Treatment Rule | TT | Yes | Resolved |
| 2022-08-01 | Interim Enhanced Surface Water Treatment Rule | TT | Yes | Resolved |