OAKFIELD WATERWORKS
PWS ID: WI4200475 · OAKFIELD, Wisconsin 53065-0098
Population Served
1,058
Total Violations
37
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 391
- County
- Fond du Lac
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 30
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 8 | 1998 |
| Lead and Copper Rule | MR | 6 | 2012 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2008 |
| TTHM | MR | 4 | 2008 |
| Coliform (TCR) | MR | 4 | 1996 |
| Revised Total Coliform Rule | MON | 4 | 2019 |
| Public Notice | Other | 1 | 2010 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.