City Of Southlake
PWSID TX2200075 · Southlake, Texas · serves 31,576 people · surface water source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFHxS | 10.7 ppt | 10 ppt | 11/20/2023 |
| PFBA | 8.8 ppt | — | 11/20/2023 |
| PFBA | 8.1 ppt | — | 8/21/2024 |
| PFHxS | 6.9 ppt | 10 ppt | 2/28/2024 |
| PFHxA | 5.7 ppt | — | 11/20/2023 |
| PFBA | 5.7 ppt | — | 5/22/2024 |
| PFPeA | 5.3 ppt | — | 11/20/2023 |
| PFHxS | 4.8 ppt | 10 ppt | 5/22/2024 |
| PFHxS | 4.8 ppt | 10 ppt | 8/21/2024 |
| PFHxA | 4.3 ppt | — | 2/28/2024 |
| PFOS | 4.1 ppt | 4 ppt | 11/20/2023 |
| PFOS | 4 ppt | 4 ppt | 8/21/2024 |
| PFPeA | 3.8 ppt | — | 2/28/2024 |
| PFBS | 3.7 ppt | — | 11/20/2023 |
| PFHxA | 3.7 ppt | — | 8/21/2024 |
| PFBS | 3.7 ppt | — | 8/21/2024 |
| PFPeA | 3.4 ppt | — | 8/21/2024 |
| PFHxA | 3.3 ppt | — | 5/22/2024 |
| PFPeA | 3 ppt | — | 5/22/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | Consumer Confidence Rule | Other | No | Resolved |