COLFAX WATER SUPPLY
PWS ID: IA5009056 · COLFAX, Iowa 50054
Population Served
2,305
Total Violations
60
Health-Based Violations
6
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 938
- County
- Jasper
- School/Daycare
- No
- MCL Violations
- 6
- Monitoring Violations
- 34
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 14 | 2010 |
| Nitrate | MR | 8 | 2006 |
| Coliform (TCR) | MCL | 6 | 1994 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2010 |
| TTHM | MR | 4 | 2010 |
| Lead and Copper Rule | MR | 4 | 2006 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.