JEFFERSON TWP W VASSAR ROAD
PWS ID: NJ1414016 · LAKE HOPATCONG, New Jersey 07849
Population Served
90
Total Violations
404
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 24
- County
- Morris
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 375
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 199 | 2014 |
| Chlorine | MR | 25 | 2023 |
| Nitrate | MR | 20 | 2005 |
| Consumer Confidence Rule | Other | 12 | 2024 |
| Cadmium | MR | 11 | 2008 |
| Chromium | MR | 11 | 2008 |
| Fluoride | MR | 11 | 2008 |
| Selenium | MR | 11 | 2008 |
| Mercury | MR | 11 | 2008 |
| Arsenic | MR | 11 | 2008 |
| Barium | MR | 11 | 2008 |
| CYANIDE | MR | 8 | 2008 |
| Nickel | MR | 8 | 2008 |
| Beryllium, Total | MR | 8 | 2008 |
| Thallium, Total | MR | 8 | 2008 |
| Antimony, Total | MR | 8 | 2008 |
| Lead and Copper Rule | MR | 6 | 2023 |
| Revised Total Coliform Rule | RPT | 4 | 2020 |
| Revised Total Coliform Rule | MON | 3 | 2018 |
| E. COLI | MR | 3 | 2019 |
| Coliform (TCR) | MCL | 3 | 2011 |
| 1,1-Dichloroethylene | MR | 2 | 2017 |
| Revised Total Coliform Rule | Other | 1 | 2018 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.