IONA WATER DEPT
PWS ID: ID7100041 · IONA, Idaho 83427
Population Served
2,717
Total Violations
33
Health-Based Violations
15
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,000
- County
- Bonneville
- School/Daycare
- No
- MCL Violations
- 15
- Monitoring Violations
- 16
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 15 | 2015 |
| Coliform (TCR) | MR | 6 | 2003 |
| Nitrate | MR | 4 | 2002 |
| Dinoseb | MR | 1 | 2005 |
| Pentachlorophenol | MR | 1 | 2005 |
| Picloram | MR | 1 | 2005 |
| 2,4,5-TP | MR | 1 | 2005 |
| Dalapon | MR | 1 | 2005 |
| 2,4-D | MR | 1 | 2005 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.