MELROSE BAR
PWS ID: MT0002142 · HELENA, Montana 59601
Population Served
64
Total Violations
130
Health-Based Violations
18
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Silver Bow
- School/Daycare
- No
- MCL Violations
- 18
- Monitoring Violations
- 106
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 52 | 2016 |
| Revised Total Coliform Rule | MON | 38 | 2025 |
| Coliform (TCR) | MCL | 18 | 2013 |
| Nitrate-Nitrite | MR | 12 | 2019 |
| Nitrate | MR | 4 | 1996 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.