RIMROCK LODGE
PWS ID: MT0001109 · THOMPSON FALLS, Montana 59873
Population Served
223
Total Violations
114
Health-Based Violations
17
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 25
- County
- Sanders
- School/Daycare
- No
- MCL Violations
- 17
- Monitoring Violations
- 92
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 49 | 2012 |
| Revised Total Coliform Rule | MON | 21 | 2020 |
| Coliform (TCR) | MCL | 17 | 2002 |
| Nitrate-Nitrite | MR | 15 | 2006 |
| Nitrate | MR | 7 | 1996 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.