Hopatcong Water Dept
PWSID NJ1912001 · Hopatcong, New Jersey · serves 7,224 people · groundwater source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 11.6 ppt | — | 9/15/2025 |
| PFBA | 10.9 ppt | — | 9/15/2025 |
| PFPeA | 10.3 ppt | — | 3/10/2025 |
| PFOA | 9.9 ppt | 4 ppt | 3/10/2025 |
| PFPeA | 9.5 ppt | — | 9/15/2025 |
| PFHxA | 9 ppt | — | 3/10/2025 |
| PFBA | 8 ppt | — | 9/15/2025 |
| PFBA | 7.9 ppt | — | 5/20/2025 |
| PFBS | 7.7 ppt | — | 3/10/2025 |
| PFBA | 7.4 ppt | — | 9/15/2025 |
| PFPeA | 7.4 ppt | — | 9/15/2025 |
| PFBA | 6.9 ppt | — | 3/10/2025 |
| PFBA | 6.2 ppt | — | 3/10/2025 |
| PFBA | 6.1 ppt | — | 9/15/2025 |
| PFOA | 5.9 ppt | 4 ppt | 9/15/2025 |
| PFBA | 5.8 ppt | — | 9/15/2025 |
| PFHxA | 5 ppt | — | 9/15/2025 |
| PFPeA | 4.6 ppt | — | 3/10/2025 |
| PFHxA | 4 ppt | — | 9/15/2025 |
| PFHpA | 3.9 ppt | — | 3/10/2025 |
| PFPeA | 3.9 ppt | — | 5/20/2025 |
| PFPeA | 3.6 ppt | — | 9/15/2025 |
| PFBS | 3.1 ppt | — | 9/15/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-04-11 | E. COLI | MR | No | Unaddressed |
| 2024-10-01 | Lead and Copper Rule | MR | No | Unaddressed |
| 2024-01-12 | Public Notice | Other | No | Resolved |
| 2024-01-12 | Public Notice | Other | No | Resolved |
| 2024-01-12 | Public Notice | Other | No | Resolved |
| 2024-01-12 | Public Notice | Other | No | Resolved |
| 2024-01-12 | Public Notice | Other | No | Resolved |
| 2024-01-12 | Public Notice | Other | No | Resolved |
| 2024-01-12 | Public Notice | Other | No | Resolved |
| 2024-01-12 | Public Notice | Other | No | Resolved |
| 2022-05-25 | Public Notice | Other | No | Resolved |
| 2022-02-25 | Public Notice | Other | No | Resolved |