City Of Lewisville
PWSID TX0610004 · Lewisville, Texas · serves 140,880 people · surface water source
B
Good
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 7.8 ppt | — | 8/21/2024 |
| PFBA | 7.3 ppt | — | 8/21/2024 |
| PFBA | 6.9 ppt | — | 5/22/2024 |
| PFBA | 6.4 ppt | — | 8/21/2024 |
| PFBA | 6.1 ppt | — | 5/22/2024 |
| PFBA | 5.8 ppt | — | 3/20/2025 |
| PFBA | 5.6 ppt | — | 2/24/2025 |
| PFBA | 5.5 ppt | — | 5/22/2024 |
| PFHxA | 4.6 ppt | — | 8/21/2024 |
| PFHxA | 4.6 ppt | — | 2/24/2025 |
| PFPeA | 4.5 ppt | — | 2/24/2025 |
| PFHxA | 4.4 ppt | — | 5/22/2024 |
| PFPeA | 4.4 ppt | — | 5/22/2024 |
| PFPeA | 4.3 ppt | — | 5/22/2024 |
| PFPeA | 4.2 ppt | — | 8/21/2024 |
| PFHxA | 4.2 ppt | — | 5/22/2024 |
| PFPeA | 4.2 ppt | — | 2/24/2025 |
| PFHxA | 4.1 ppt | — | 3/20/2025 |
| PFHxA | 4.1 ppt | — | 2/24/2025 |
| PFHxA | 4 ppt | — | 5/22/2024 |
| PFPeA | 4 ppt | — | 3/20/2025 |
| PFPeA | 3.9 ppt | — | 5/22/2024 |
| PFHxA | 3.6 ppt | — | 3/20/2025 |
| PFPeA | 3.5 ppt | — | 3/20/2025 |
| PFPeA | 3.4 ppt | — | 8/21/2024 |
| PFPeA | 3.4 ppt | — | 8/21/2024 |
| PFHxA | 3.3 ppt | — | 2/24/2025 |
| PFHxA | 3.3 ppt | — | 8/21/2024 |
| PFPeA | 3.2 ppt | — | 2/24/2025 |
| PFBS | 3.2 ppt | — | 2/24/2025 |
| PFHxA | 3 ppt | — | 8/21/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-12-30 | Lead and Copper Rule | MR | No | Resolved |