Rio Wsc
PWSID TX2140016 · Rio Grande City, Texas · serves 6,939 people · surface water source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 7.7 ppt | — | 1/31/2024 |
| PFBA | 5.2 ppt | — | 7/25/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-11-01 | Interim Enhanced Surface Water Treatment Rule | MR | No | Resolved |
| 2024-10-17 | LEAD AND COPPER RULE REVISIONS | TT | Yes | Resolved |
| 2024-10-17 | LEAD AND COPPER RULE REVISIONS | RPT | No | Resolved |
| 2023-07-01 | Consumer Confidence Rule | Other | No | Resolved |
| 2022-07-01 | Consumer Confidence Rule | Other | No | Resolved |
| 2021-12-30 | Lead and Copper Rule | MR | No | Resolved |
| 2021-12-23 | Public Notice | Other | No | Unaddressed |