COLUMBUS CITY PUBLIC WATER SUPPLY
PWS ID: IA5809063 · OLDS, Iowa 52647
Population Served
392
Total Violations
49
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 161
- County
- Louisa
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 39
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 13 | 2025 |
| Coliform (TCR) | MR | 11 | 2003 |
| Consumer Confidence Rule | Other | 2 | 2017 |
| Fluoride | MR | 2 | 1988 |
| Lead and Copper Rule | MR | 2 | 1990 |
| Cadmium | MR | 2 | 1988 |
| Barium | MR | 2 | 1988 |
| Chromium | MR | 2 | 1988 |
| Arsenic | MR | 2 | 1988 |
| Mercury | MR | 2 | 1988 |
| Selenium | MR | 1 | 1988 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.