ROCKY KNOB LODGE
PWS ID: MT0001043 · CORVALLIS, Montana 59828
Population Served
27
Total Violations
67
Health-Based Violations
13
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Ravalli
- School/Daycare
- No
- MCL Violations
- 13
- Monitoring Violations
- 48
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 28 | 2018 |
| Coliform (TCR) | MR | 18 | 2015 |
| Coliform (TCR) | MCL | 13 | 2003 |
| Revised Total Coliform Rule | Other | 4 | 2016 |
| Nitrate | MR | 2 | 1998 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.