BIG TIMBER KOA
PWS ID: MT0001682 · BIG TIMBER, Montana 59011
Population Served
600
Total Violations
100
Health-Based Violations
9
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 57
- County
- Sweet Grass
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 86
- Treatment Tech Violations
- 8
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 72 | 2008 |
| Revised Total Coliform Rule | TT | 8 | 2025 |
| Revised Total Coliform Rule | MON | 8 | 2025 |
| Nitrate-Nitrite | MR | 6 | 2022 |
| Revised Total Coliform Rule | RPT | 3 | 2020 |
| Coliform (TCR) | MCL | 1 | 1997 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.