HYSHAM REST AREA WESTBOUND
PWS ID: MT0002688 · BILLINGS, Montana 59104-0437
Population Served
500
Total Violations
34
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- State
- Connections
- 1
- County
- Treasure
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 33
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 21 | 2014 |
| Nitrate-Nitrite | MR | 4 | 2021 |
| Revised Total Coliform Rule | MON | 4 | 2016 |
| Nitrate | MR | 2 | 1998 |
| E. COLI | MR | 2 | 2013 |
| Coliform (TCR) | MCL | 1 | 1995 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.