FLATHEAD LAKE RESORT
PWS ID: MT0001000 · BIG FORK, Montana 59911
Population Served
45
Total Violations
95
Health-Based Violations
6
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 13
- County
- Lake
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 82
- Treatment Tech Violations
- 6
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 46 | 2015 |
| Nitrate-Nitrite | MR | 20 | 2024 |
| Revised Total Coliform Rule | MON | 12 | 2022 |
| Revised Total Coliform Rule | TT | 6 | 2019 |
| Nitrate | MR | 4 | 1997 |
| Revised Total Coliform Rule | Other | 3 | 2016 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.