City Of Donna
PWSID TX1080002 · Donna, Texas · serves 18,720 people · surface water source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 13.8 ppt | — | 8/7/2024 |
| PFBA | 11.1 ppt | — | 9/17/2024 |
| PFOS | 7.4 ppt | 4 ppt | 9/17/2024 |
| PFBA | 6.5 ppt | — | 3/25/2024 |
| PFBA | 6 ppt | — | 9/19/2023 |
| PFOS | 4.9 ppt | 4 ppt | 8/7/2024 |
| PFHxA | 4.5 ppt | — | 8/7/2024 |
| PFPeA | 4.5 ppt | — | 9/17/2024 |
| PFHxS | 4.5 ppt | 10 ppt | 9/17/2024 |
| PFPeA | 4.2 ppt | — | 8/7/2024 |
| PFHxA | 3.7 ppt | — | 9/17/2024 |
| PFBS | 3.6 ppt | — | 8/7/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-07-02 | LEAD AND COPPER RULE REVISIONS | RPT | No | Unaddressed |
| 2024-07-02 | Consumer Confidence Rule | Other | No | Resolved |