ST JOHN CITY OF
PWS ID: ND4000854 · ST JOHN, North Dakota 58369
Population Served
341
Total Violations
36
Health-Based Violations
10
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 125
- County
- Rolette
- School/Daycare
- No
- MCL Violations
- 10
- Monitoring Violations
- 6
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 10 | 2010 |
| Coliform (TCR) | MR | 6 | 2009 |
| Consumer Confidence Rule | Other | 4 | 2013 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.