ROUNDUP WATER DEPARTMENT
PWS ID: MT0000321 · ROUNDUP, Montana 59072
Population Served
1,900
Total Violations
37
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 858
- County
- Musselshell
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 27
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 10 | 2020 |
| Consumer Confidence Rule | Other | 7 | 2018 |
| Nitrate-Nitrite | MR | 4 | 2023 |
| Lead and Copper Rule | MR | 4 | 2010 |
| Total Haloacetic Acids (HAA5) | MR | 3 | 2014 |
| TTHM | MR | 3 | 2014 |
| Coliform (TCR) | MR | 3 | 1995 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.