Forestville/Mystery Cave State Park
PWS ID: MN5230146 · Preston, Minnesota 55965
Population Served
350
Total Violations
37
Health-Based Violations
37
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- State
- Connections
- 30
- County
- Fillmore
- School/Daycare
- No
- MCL Violations
- 37
- Monitoring Violations
- 0
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 37 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.