CALMAR WATER SUPPLY
PWS ID: IA9615064 · CALMAR, Iowa 52132
Population Served
1,125
Total Violations
58
Health-Based Violations
22
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 540
- County
- Winneshiek
- School/Daycare
- No
- MCL Violations
- 22
- Monitoring Violations
- 16
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 22 | 1999 |
| Arsenic | MR | 8 | 2002 |
| Total Haloacetic Acids (HAA5) | MR | 5 | 2005 |
| Coliform (TCR) | MR | 3 | 1999 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.