St John Water District 2
PWSID LA1095002 · Laplace, Louisiana · serves 3,702 people · surface water source
B
Good
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 5.7 ppt | — | 12/4/2023 |
| PFBA | 5.2 ppt | — | 3/15/2023 |
| PFBA | 5.2 ppt | — | 6/6/2023 |
| PFBS | 3.7 ppt | — | 12/4/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-12-05 | Lead and Copper Rule | MR | No | Resolved |