Lewiston
PWS ID: MN1850006 · Lewiston, Minnesota 55952-0129
Population Served
1,520
Total Violations
72
Health-Based Violations
34
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 604
- County
- Winona
- School/Daycare
- No
- MCL Violations
- 34
- Monitoring Violations
- 30
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 30 | 1996 |
| Combined Radium (-226 and -228) | MCL | 20 | 2018 |
| Nitrate | MCL | 14 | 1998 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.