Jefferson Twp W U Milton Sys
PWSID NJ1414003 · Lake Hopatcong, New Jersey · serves 4,500 people · groundwater source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFPeA | 16.7 ppt | — | 5/12/2025 |
| PFOA | 11.5 ppt | 4 ppt | 5/12/2025 |
| PFPeA | 10.4 ppt | — | 5/12/2025 |
| PFHxA | 10 ppt | — | 5/12/2025 |
| PFHxA | 9.4 ppt | — | 5/12/2025 |
| PFPeA | 7.8 ppt | — | 11/10/2025 |
| PFOA | 7.5 ppt | 4 ppt | 5/12/2025 |
| PFHxA | 7.2 ppt | — | 11/10/2025 |
| PFOS | 6.8 ppt | 4 ppt | 5/12/2025 |
| PFOA | 6.7 ppt | 4 ppt | 5/12/2025 |
| PFBA | 6.6 ppt | — | 5/12/2025 |
| PFOA | 6.5 ppt | 4 ppt | 11/10/2025 |
| PFOA | 6.1 ppt | 4 ppt | 11/10/2025 |
| PFBS | 5.8 ppt | — | 5/12/2025 |
| PFOS | 5.3 ppt | 4 ppt | 5/12/2025 |
| PFPeA | 4.3 ppt | — | 11/10/2025 |
| PFOA | 4.3 ppt | 4 ppt | 11/10/2025 |
| PFPeA | 4.2 ppt | — | 5/12/2025 |
| PFHxA | 3.9 ppt | — | 5/12/2025 |
| PFHpA | 3.6 ppt | — | 5/12/2025 |
| PFPeA | 3.3 ppt | — | 11/10/2025 |
| PFHxA | 3 ppt | — | 11/10/2025 |
| PFBS | 3 ppt | — | 5/12/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-06-11 | Revised Total Coliform Rule | RPT | No | Unaddressed |
| 2025-05-01 | Revised Total Coliform Rule | MON | No | Archived |
| 2024-10-01 | Consumer Confidence Rule | Other | No | Resolved |
| 2024-01-01 | Lead and Copper Rule | TT | Yes | Resolved |
| 2023-11-17 | Public Notice | Other | No | Resolved |
| 2023-11-17 | Public Notice | Other | No | Resolved |
| 2023-09-29 | Lead and Copper Rule | MR | No | Resolved |
| 2023-07-01 | Consumer Confidence Rule | Other | No | Resolved |
| 2023-07-01 | Lead and Copper Rule | TT | Yes | Resolved |
| 2023-07-01 | Lead and Copper Rule | MR | No | Resolved |
| 2023-04-01 | Lead and Copper Rule | MR | No | Resolved |
| 2023-04-01 | Chlorine | MR | No | Resolved |
| 2023-01-01 | Chlorine | MR | No | Resolved |
| 2023-01-01 | Chlorine | MR | No | Archived |
| 2023-01-01 | Chlorine | MR | No | Archived |
| 2023-01-01 | Lead and Copper Rule | MR | No | Resolved |
| 2022-10-01 | Chlorine | MR | No | Resolved |
| 2022-10-01 | Chlorine | MR | No | Resolved |
| 2022-10-01 | Chlorine | MR | No | Resolved |
| 2022-09-29 | Lead and Copper Rule | MR | No | Resolved |
| 2022-07-01 | Chlorine | MR | No | Resolved |
| 2022-07-01 | Chlorine | MR | No | Resolved |
| 2022-07-01 | Chlorine | MR | No | Resolved |
| 2022-07-01 | Lead and Copper Rule | MR | No | Resolved |
| 2022-01-01 | Lead and Copper Rule | MR | No | Resolved |