AQUA NJ - CALIFON
PWS ID: NJ1004001 · HAMILTON, New Jersey 08691
Population Served
936
Total Violations
29
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 634
- County
- Hunterdon
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 27
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 21 | 2025 |
| Revised Total Coliform Rule | RPT | 2 | 2019 |
| TTHM | MR | 2 | 2019 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2019 |
| Nitrate | MR | 1 | 1993 |
| Nitrite | MR | 1 | 1993 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.