AQUA NJ - WALLKILL
PWS ID: NJ1911001 · HAMILTON, New Jersey 08691
Population Served
1,050
Total Violations
213
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 389
- County
- Sussex
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 200
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| p-Dichlorobenzene | MR | 9 | 1997 |
| Vinyl chloride | MR | 9 | 1997 |
| 1,1-Dichloroethylene | MR | 9 | 1997 |
| 1,2-Dichloroethane | MR | 9 | 1997 |
| 1,1,1-Trichloroethane | MR | 9 | 1997 |
| Carbon tetrachloride | MR | 9 | 1997 |
| Benzene | MR | 9 | 1997 |
| Trichloroethylene | MR | 9 | 1997 |
| 1,1,2-Trichloroethane | MR | 7 | 1997 |
| CHLOROBENZENE | MR | 7 | 1997 |
| Toluene | MR | 7 | 1997 |
| 1,2,4-Trichlorobenzene | MR | 7 | 1997 |
| DICHLOROMETHANE | MR | 7 | 1997 |
| o-Dichlorobenzene | MR | 7 | 1997 |
| 1,2-Dichloropropane | MR | 7 | 1997 |
| Tetrachloroethylene | MR | 7 | 1997 |
| Ethylbenzene | MR | 7 | 1997 |
| Xylenes, Total | MR | 7 | 1997 |
| trans-1,2-Dichloroethylene | MR | 7 | 1997 |
| Styrene | MR | 7 | 1997 |
| cis-1,2-Dichloroethylene | MR | 7 | 1997 |
| Coliform (TCR) | MR | 6 | 2006 |
| Nitrate | MR | 6 | 2006 |
| Total Haloacetic Acids (HAA5) | MR | 5 | 2012 |
| Groundwater Rule | MR | 5 | 2017 |
| TTHM | MR | 5 | 2012 |
| Coliform (TCR) | MCL | 5 | 2006 |
| Revised Total Coliform Rule | RPT | 4 | 2021 |
| Combined Uranium | MR | 2 | 2014 |
| Combined Radium (-226 and -228) | MR | 2 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.