KNOWLTON UNITED METHODIS
PWS ID: NJ2113328 · COLUMBIA, New Jersey 07832
Population Served
100
Total Violations
69
Health-Based Violations
34
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Warren
- School/Daycare
- No
- MCL Violations
- 30
- Monitoring Violations
- 27
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 30 | 2015 |
| Coliform (TCR) | MR | 10 | 2013 |
| Revised Total Coliform Rule | MON | 9 | 2018 |
| Nitrate | MR | 8 | 2021 |
| Revised Total Coliform Rule | RPT | 6 | 2019 |
| Revised Total Coliform Rule | TT | 4 | 2018 |
| Public Notice | Other | 2 | 2019 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.