OAKHILL CORRECTIONAL INST
PWS ID: WI1130250 · OREGON, Wisconsin 53575
Population Served
1,096
Total Violations
19
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- State
- Connections
- 405
- County
- Dane
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 9
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 5 | 1994 |
| Consumer Confidence Rule | Other | 4 | 2024 |
| Nitrate | MR | 4 | 2019 |
| Public Notice | Other | 2 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 1 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 1 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.