Brownsville Public Utilities Board
PWSID TX0310001 · Brownsville, Texas · serves 201,249 people · surface water source
C
Fair
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 9.3 ppt | — | 7/16/2024 |
| PFOS | 9.2 ppt | 4 ppt | 7/16/2024 |
| PFOS | 8 ppt | 4 ppt | 4/30/2025 |
| PFHxA | 8 ppt | — | 3/18/2025 |
| PFPeA | 7.6 ppt | — | 3/18/2025 |
| PFBA | 7.5 ppt | — | 3/18/2025 |
| PFBA | 7.3 ppt | — | 4/30/2025 |
| PFHxA | 7.1 ppt | — | 2/25/2025 |
| PFOS | 7.1 ppt | 4 ppt | 7/16/2024 |
| PFBA | 7 ppt | — | 7/16/2024 |
| PFPeA | 6.8 ppt | — | 2/25/2025 |
| PFHxA | 6.7 ppt | — | 3/18/2025 |
| PFBA | 6.4 ppt | — | 6/24/2025 |
| PFPeA | 6.2 ppt | — | 3/18/2025 |
| PFBA | 6 ppt | — | 3/18/2025 |
| PFOS | 5.9 ppt | 4 ppt | 4/30/2025 |
| PFPeA | 5.3 ppt | — | 7/16/2024 |
| PFPeA | 5.3 ppt | — | 6/24/2025 |
| PFHxA | 5.2 ppt | — | 7/16/2024 |
| PFOS | 5.2 ppt | 4 ppt | 3/18/2025 |
| PFBA | 5.1 ppt | — | 4/30/2025 |
| PFOS | 4.8 ppt | 4 ppt | 2/25/2025 |
| PFOA | 4.7 ppt | 4 ppt | 4/30/2025 |
| PFHxA | 4.6 ppt | — | 4/30/2025 |
| PFHxA | 4.5 ppt | — | 6/24/2025 |
| PFHxS | 4.4 ppt | 10 ppt | 2/25/2025 |
| PFPeA | 4.3 ppt | — | 4/30/2025 |
| PFHxA | 4.3 ppt | — | 7/16/2024 |
| PFOS | 4.2 ppt | 4 ppt | 3/18/2025 |
| PFPeA | 4.1 ppt | — | 7/16/2024 |
| PFHpA | 4.1 ppt | — | 3/18/2025 |
| PFHxA | 4.1 ppt | — | 4/30/2025 |
| PFHxS | 4.1 ppt | 10 ppt | 4/30/2025 |
| PFHxS | 4 ppt | 10 ppt | 7/16/2024 |
| PFPeA | 4 ppt | — | 4/30/2025 |
| PFHxS | 3.7 ppt | 10 ppt | 3/18/2025 |
| PFHxS | 3.4 ppt | 10 ppt | 4/30/2025 |
| PFHxS | 3.3 ppt | 10 ppt | 3/18/2025 |
| PFHxS | 3.2 ppt | 10 ppt | 7/16/2024 |
| PFHxS | 3.2 ppt | 10 ppt | 6/24/2025 |
| PFHpA | 3 ppt | — | 4/30/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
No violations on record in the period covered. 🎉