CALUMET WATER SUPPLY
PWS ID: IA7109065 · SIBLEY, Iowa 51249
Population Served
146
Total Violations
19
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 94
- County
- O'Brien
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 8
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 8 | 1996 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.