City Of Big Spring
PWSID TX1140001 · Big Spring, Texas · serves 27,282 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 12.5 ppt | — | 9/20/2023 |
| PFBA | 12.1 ppt | — | 12/12/2023 |
| PFBA | 11.2 ppt | — | 3/20/2024 |
| PFHxS | 11.1 ppt | 10 ppt | 6/14/2023 |
| PFHxS | 9.9 ppt | 10 ppt | 12/12/2023 |
| PFBA | 8.4 ppt | — | 6/14/2023 |
| PFBS | 5.8 ppt | — | 6/14/2023 |
| PFBS | 5.6 ppt | — | 12/12/2023 |
| PFHxS | 5.4 ppt | 10 ppt | 9/20/2023 |
| PFOS | 4.4 ppt | 4 ppt | 6/14/2023 |
| PFHxA | 4.1 ppt | — | 6/14/2023 |
| PFHxA | 3.9 ppt | — | 12/12/2023 |
| PFBS | 3.2 ppt | — | 9/20/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-04-01 | TTHM | MCL | Yes | Archived |
| 2026-01-01 | TTHM | MCL | Yes | Archived |
| 2026-01-01 | Interim Enhanced Surface Water Treatment Rule | TT | Yes | Resolved |
| 2025-10-01 | TTHM | MCL | Yes | Archived |
| 2025-07-02 | LEAD AND COPPER RULE REVISIONS | RPT | No | Resolved |
| 2025-07-01 | TTHM | MCL | Yes | Archived |
| 2025-05-07 | Public Notice | Other | No | Resolved |
| 2025-04-01 | TTHM | MCL | Yes | Archived |
| 2025-01-01 | TTHM | MCL | Yes | Archived |
| 2024-10-30 | Public Notice | Other | No | Resolved |
| 2024-10-01 | TTHM | MCL | Yes | Archived |
| 2024-07-01 | TTHM | MCL | Yes | Resolved |
| 2024-04-01 | TTHM | MCL | Yes | Resolved |
| 2024-01-01 | TTHM | MCL | Yes | Resolved |
| 2024-01-01 | Interim Enhanced Surface Water Treatment Rule | TT | Yes | Resolved |
| 2023-04-01 | TTHM | MCL | Yes | Resolved |
| 2023-01-01 | TTHM | MCL | Yes | Resolved |
| 2022-10-01 | TTHM | MCL | Yes | Resolved |
| 2022-01-30 | Public Notice | Other | No | Resolved |