ROCKIN J INC
PWS ID: MT0004084 · BILLINGS, Montana 59102
Population Served
150
Total Violations
111
Health-Based Violations
15
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 5
- County
- Stillwater
- School/Daycare
- No
- MCL Violations
- 15
- Monitoring Violations
- 96
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 62 | 2012 |
| E. COLI | MR | 16 | 2023 |
| Coliform (TCR) | MCL | 15 | 2011 |
| Revised Total Coliform Rule | MON | 12 | 2021 |
| Nitrate-Nitrite | MR | 6 | 2022 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.