LAKE COMO RECREATION AREA
PWS ID: MT0062883 · HAMILTON, Montana 59840
Population Served
84
Total Violations
105
Health-Based Violations
78
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Federal
- Connections
- 22
- County
- Ravalli
- School/Daycare
- No
- MCL Violations
- 74
- Monitoring Violations
- 27
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 74 | 2014 |
| Coliform (TCR) | MR | 20 | 2014 |
| Groundwater Rule | TT | 4 | 2019 |
| Groundwater Rule | MR | 4 | 2023 |
| Nitrate | MR | 3 | 1997 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.