WI DNR MERRICK ENTRANCE STATION
PWS ID: WI6060286 · MADISON, Wisconsin 53707-7921
Population Served
75
Total Violations
56
Health-Based Violations
38
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- State
- Connections
- 1
- County
- Buffalo
- School/Daycare
- No
- MCL Violations
- 38
- Monitoring Violations
- 18
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 38 | 2008 |
| Revised Total Coliform Rule | MON | 8 | 2024 |
| Coliform (TCR) | MR | 6 | 2012 |
| Nitrate | MR | 4 | 2012 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.