MILL VALLEY SCHOOL
PWS ID: WI2680812 · MUSKEGO, Wisconsin 53150
Population Served
426
Total Violations
25
Health-Based Violations
6
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 1
- County
- Waukesha
- School/Daycare
- Yes
- MCL Violations
- 6
- Monitoring Violations
- 14
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 10 | 2003 |
| Coliform (TCR) | MCL | 6 | 2012 |
| Public Notice | Other | 4 | 2018 |
| Revised Total Coliform Rule | MON | 4 | 2018 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.