INDIANA UNIV GEOLOGIC STATION
PWS ID: MT0003319 · BLOOMINGTON, Montana 47405
Population Served
92
Total Violations
62
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- State
- Connections
- 8
- County
- Madison
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 53
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 31 | 2015 |
| Revised Total Coliform Rule | MON | 18 | 2022 |
| Nitrate-Nitrite | MR | 3 | 2010 |
| Revised Total Coliform Rule | RPT | 3 | 2023 |
| Revised Total Coliform Rule | TT | 3 | 2019 |
| Nitrate | MR | 1 | 1998 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.