LONGHORN BAR
PWS ID: MT0001659 · ROSEBUD, Montana 59347
Population Served
75
Total Violations
131
Health-Based Violations
77
Water Source
Surface Water
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Rosebud
- School/Daycare
- No
- MCL Violations
- 77
- Monitoring Violations
- 50
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate-Nitrite | MCL | 64 | 2009 |
| Coliform (TCR) | MR | 45 | 2015 |
| Coliform (TCR) | MCL | 13 | 2010 |
| Nitrate-Nitrite | MR | 4 | 2003 |
| Revised Total Coliform Rule | Other | 3 | 2016 |
| Nitrate | MR | 1 | 1993 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.