NORTHRIDGE LOCAL SCHOOL CAMPUS
PWS ID: OH4535512 · JOHNSTOWN, Ohio 43031
Population Served
1,600
Total Violations
272
Health-Based Violations
23
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 3
- County
- Licking
- School/Daycare
- Yes
- MCL Violations
- 23
- Monitoring Violations
- 246
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 23 | 1994 |
| Lead and Copper Rule | MR | 20 | 2009 |
| Coliform (TCR) | MR | 17 | 2008 |
| Arsenic | MR | 17 | 2011 |
| 1,2,4-Trichlorobenzene | MR | 7 | 2000 |
| Ethylbenzene | MR | 7 | 2000 |
| 1,1-Dichloroethylene | MR | 7 | 2000 |
| trans-1,2-Dichloroethylene | MR | 7 | 2000 |
| p-Dichlorobenzene | MR | 7 | 2000 |
| 1,2-Dichloropropane | MR | 7 | 2000 |
| DICHLOROMETHANE | MR | 7 | 2000 |
| Toluene | MR | 7 | 2000 |
| Styrene | MR | 7 | 2000 |
| cis-1,2-Dichloroethylene | MR | 7 | 2000 |
| Xylenes, Total | MR | 7 | 2000 |
| o-Dichlorobenzene | MR | 7 | 2000 |
| 1,2-Dichloroethane | MR | 7 | 2000 |
| CHLOROBENZENE | MR | 7 | 2000 |
| Vinyl chloride | MR | 7 | 2000 |
| Tetrachloroethylene | MR | 7 | 2000 |
| Benzene | MR | 7 | 2000 |
| 1,1,2-Trichloroethane | MR | 7 | 2000 |
| Carbon tetrachloride | MR | 7 | 2000 |
| 1,1,1-Trichloroethane | MR | 7 | 2000 |
| Trichloroethylene | MR | 7 | 2000 |
| Revised Total Coliform Rule | MON | 4 | 2020 |
| TTHM | MR | 4 | 2021 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2021 |
| Selenium | MR | 3 | 2000 |
| Cadmium | MR | 3 | 2000 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.