FOUR CORNERS
PWS ID: WI6620346 · TREMPEALEAU, Wisconsin 54661
Population Served
30
Total Violations
32
Health-Based Violations
18
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Trempealeau
- School/Daycare
- No
- MCL Violations
- 18
- Monitoring Violations
- 10
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate-Nitrite | MCL | 18 | 2004 |
| Nitrate | MR | 9 | 2003 |
| Public Notice | Other | 4 | 2004 |
| Coliform (TCR) | MR | 1 | 2000 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.