COLOMA WATERWORKS
PWS ID: WI4700265 · COLOMA, Wisconsin 54930-0353
Population Served
454
Total Violations
40
Health-Based Violations
7
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 168
- County
- Waushara
- School/Daycare
- No
- MCL Violations
- 7
- Monitoring Violations
- 25
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MR | 8 | 2020 |
| Total Haloacetic Acids (HAA5) | MR | 8 | 2020 |
| Coliform (TCR) | MCL | 7 | 1993 |
| Coliform (TCR) | MR | 7 | 1997 |
| Consumer Confidence Rule | Other | 5 | 2012 |
| Lead and Copper Rule | MR | 2 | 2012 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.