New Orleans Carrollton Water Works
PWSID LA1071009 · New Orleans, Louisiana · serves 334,903 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 9.1 ppt | — | 12/6/2023 |
| PFBA | 9.1 ppt | — | 12/6/2023 |
| PFPeA | 8.8 ppt | — | 12/31/2024 |
| PFBA | 7.6 ppt | — | 9/30/2024 |
| PFBA | 6.7 ppt | — | 3/7/2023 |
| PFBA | 6.6 ppt | — | 3/7/2023 |
| PFBA | 6.6 ppt | — | 3/7/2023 |
| PFBA | 6.5 ppt | — | 9/12/2023 |
| PFBA | 6.3 ppt | — | 9/12/2023 |
| PFBA | 5.5 ppt | — | 6/7/2023 |
| PFBA | 5.4 ppt | — | 6/7/2023 |
| HFPO-DA | 5.4 ppt | 10 ppt | 12/31/2024 |
| PFOS | 4.2 ppt | 4 ppt | 9/12/2023 |
| PFOS | 4.2 ppt | 4 ppt | 9/12/2023 |
| PFOA | 4.1 ppt | 4 ppt | 12/6/2023 |
| PFOA | 4.1 ppt | 4 ppt | 12/6/2023 |
| PFHxA | 3 ppt | — | 12/6/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-01-01 | Interim Enhanced Surface Water Treatment Rule | TT | Yes | Resolved |
| 2023-06-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2022-12-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2022-01-01 | CARBON, TOTAL | MR | No | Resolved |