JEFFERSON HOUSE
PWS ID: NJ1414302 · LAKE HOPATCONG, New Jersey 07849
Population Served
215
Total Violations
63
Health-Based Violations
31
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 2
- County
- Morris
- School/Daycare
- No
- MCL Violations
- 20
- Monitoring Violations
- 25
- Treatment Tech Violations
- 11
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 20 | 2013 |
| Coliform (TCR) | MR | 16 | 2012 |
| Revised Total Coliform Rule | TT | 7 | 2023 |
| E. COLI | MR | 7 | 2012 |
| Groundwater Rule | TT | 4 | 2021 |
| Nitrate | MR | 2 | 1982 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.