BIG SKY SD OPHIR ELEMENTARY SCHOOL
PWS ID: MT0004861 · BIG SKY, Montana 59716
Population Served
175
Total Violations
18
Health-Based Violations
2
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 1
- County
- Gallatin
- School/Daycare
- Yes
- MCL Violations
- 2
- Monitoring Violations
- 16
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 7 | 2024 |
| Lead and Copper Rule | MR | 3 | 2022 |
| Nitrate-Nitrite | MR | 3 | 2024 |
| E. COLI | MR | 3 | 2019 |
| Coliform (TCR) | MCL | 2 | 2015 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.