LEWIS WATER SUPPLY
PWS ID: IA1535078 · LEWIS, Iowa 51544
Population Served
357
Total Violations
47
Health-Based Violations
26
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 200
- County
- Cass
- School/Daycare
- No
- MCL Violations
- 26
- Monitoring Violations
- 8
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MCL | 14 | 2025 |
| Coliform (TCR) | MCL | 12 | 1993 |
| 1,2-Dichloroethane | MR | 8 | 1992 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.