COLUMBUS REST AREA WESTBOUND
PWS ID: MT0002595 · BILLINGS, Montana 59104
Population Served
800
Total Violations
78
Health-Based Violations
33
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- State
- Connections
- 1
- County
- Stillwater
- School/Daycare
- No
- MCL Violations
- 33
- Monitoring Violations
- 45
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 33 | 2015 |
| Coliform (TCR) | MR | 24 | 2007 |
| E. COLI | MR | 14 | 2013 |
| Nitrate-Nitrite | MR | 4 | 2001 |
| Revised Total Coliform Rule | MON | 3 | 2019 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.