FIRST STUDENT INC
PWS ID: MT0003107 · BILLINGS, Montana 59101
Population Served
130
Total Violations
567
Health-Based Violations
7
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Yellowstone
- School/Daycare
- No
- MCL Violations
- 7
- Monitoring Violations
- 560
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 72 | 2024 |
| Dalapon | MR | 25 | 2020 |
| Coliform (TCR) | MR | 16 | 2011 |
| Mercury | MR | 10 | 2014 |
| cis-1,2-Dichloroethylene | MR | 7 | 1999 |
| o-Dichlorobenzene | MR | 7 | 1999 |
| 1,1-Dichloroethylene | MR | 7 | 1999 |
| trans-1,2-Dichloroethylene | MR | 7 | 1999 |
| Carbon tetrachloride | MR | 7 | 1999 |
| Trichloroethylene | MR | 7 | 1999 |
| 1,1,2-Trichloroethane | MR | 7 | 1999 |
| Benzene | MR | 7 | 1999 |
| Ethylbenzene | MR | 7 | 1999 |
| BHC-GAMMA | MR | 7 | 1999 |
| Glyphosate | MR | 7 | 1999 |
| OXAMYL | MR | 7 | 1999 |
| Aldicarb sulfoxide | MR | 7 | 1999 |
| Aldicarb sulfone | MR | 7 | 1999 |
| Atrazine | MR | 7 | 1999 |
| LASSO | MR | 7 | 1999 |
| Heptachlor | MR | 7 | 1999 |
| Heptachlor epoxide | MR | 7 | 1999 |
| 2,4-D | MR | 7 | 1999 |
| Benzo(a)pyrene | MR | 7 | 1999 |
| Pentachlorophenol | MR | 7 | 1999 |
| Total Polychlorinated Biphenyls (PCB) | MR | 7 | 1999 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 7 | 1999 |
| Chlordane | MR | 7 | 1999 |
| Barium | MR | 7 | 1999 |
| Cadmium | MR | 7 | 1999 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.