POMEROY WATER SUPPLY
PWS ID: IA1363051 · POMEROY, Iowa 50575
Population Served
671
Total Violations
41
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 301
- County
- Calhoun
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 28
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 8 | 2016 |
| Revised Total Coliform Rule | MON | 8 | 2025 |
| Nitrite | MCL | 5 | 2025 |
| Chlorine | MR | 4 | 2006 |
| Nitrite | MR | 4 | 2024 |
| Nitrate | MR | 4 | 2009 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.