FLATHEAD LAKE BIOLOGICAL STATION U OF M
PWS ID: MT0003724 · POLSON, Montana 59860
Population Served
66
Total Violations
70
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- State
- Connections
- 12
- County
- Lake
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 70
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 46 | 2004 |
| Coliform (TCR) | MR | 19 | 2001 |
| Nitrate-Nitrite | MR | 4 | 2018 |
| Nitrate | MR | 1 | 1993 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.