WI DNR WILLOW RIVER SRVC BLDG
PWS ID: WI6560189 · MADISON, Wisconsin 53707-7921
Population Served
350
Total Violations
33
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- State
- Connections
- 1
- County
- St. Croix
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 25
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 25 | 2014 |
| Public Notice | Other | 3 | 2007 |
| Coliform (TCR) | MCL | 1 | 1991 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.