Montville Twp Mua
PWSID NJ1421003 · Montville, New Jersey · serves 22,000 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 9.3 ppt | 4 ppt | 8/10/2023 |
| PFOS | 8.2 ppt | 4 ppt | 11/28/2023 |
| PFOA | 8.1 ppt | 4 ppt | 11/28/2023 |
| PFOA | 7.4 ppt | 4 ppt | 8/10/2023 |
| PFOA | 6.2 ppt | 4 ppt | 2/5/2024 |
| PFPeA | 6.1 ppt | — | 8/10/2023 |
| PFOS | 5.9 ppt | 4 ppt | 2/5/2024 |
| PFOA | 5.8 ppt | 4 ppt | 5/10/2024 |
| PFHxS | 5.7 ppt | 10 ppt | 11/28/2023 |
| PFOA | 5.7 ppt | 4 ppt | 2/5/2024 |
| PFOA | 5.5 ppt | 4 ppt | 8/10/2023 |
| PFHxS | 5.3 ppt | 10 ppt | 8/10/2023 |
| PFBA | 5.2 ppt | — | 2/5/2024 |
| PFPeA | 5.1 ppt | — | 11/28/2023 |
| PFOA | 5 ppt | 4 ppt | 2/5/2024 |
| PFHxA | 4.6 ppt | — | 11/28/2023 |
| PFOA | 4.6 ppt | 4 ppt | 11/28/2023 |
| PFOA | 4.5 ppt | 4 ppt | 8/10/2023 |
| PFHxA | 4.5 ppt | — | 8/10/2023 |
| PFOA | 4.5 ppt | 4 ppt | 8/10/2023 |
| PFOA | 4.5 ppt | 4 ppt | 2/5/2024 |
| PFBS | 3.7 ppt | — | 2/5/2024 |
| PFPeA | 3.2 ppt | — | 2/5/2024 |
| PFBS | 3.1 ppt | — | 8/10/2023 |
| PFHxS | 3.1 ppt | 10 ppt | 2/5/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-08-01 | Surface Water Treatment Rule | TT | Yes | Archived |
| 2024-11-01 | Surface Water Treatment Rule | TT | Yes | Archived |
| 2023-07-01 | Surface Water Treatment Rule | TT | Yes | Resolved |