City Of Laredo
PWSID TX2400001 · Laredo, Texas · serves 260,046 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 10.6 ppt | — | 6/7/2023 |
| PFBA | 5.8 ppt | — | 7/29/2024 |
| PFBA | 5.5 ppt | — | 9/11/2023 |
| PFBA | 5.3 ppt | — | 9/11/2023 |
| PFBA | 5.2 ppt | — | 7/29/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-05-01 | Revised Total Coliform Rule | MCL | Yes | Archived |
| 2025-05-15 | Public Notice | Other | No | Resolved |
| 2024-10-17 | LEAD AND COPPER RULE REVISIONS | TT | Yes | Resolved |
| 2024-10-17 | LEAD AND COPPER RULE REVISIONS | RPT | No | Resolved |
| 2024-10-01 | Revised Total Coliform Rule | MCL | Yes | Resolved |
| 2024-09-01 | Interim Enhanced Surface Water Treatment Rule | MR | No | Resolved |
| 2024-09-01 | Interim Enhanced Surface Water Treatment Rule | MR | No | Resolved |
| 2024-08-01 | Interim Enhanced Surface Water Treatment Rule | MR | No | Resolved |
| 2024-08-01 | Interim Enhanced Surface Water Treatment Rule | MR | No | Resolved |