SFE
PWS ID: MT0004651 · HAMILTON, Montana 59840
Population Served
35
Total Violations
142
Health-Based Violations
17
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 3
- County
- Ravalli
- School/Daycare
- No
- MCL Violations
- 8
- Monitoring Violations
- 125
- Treatment Tech Violations
- 9
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 63 | 2011 |
| Groundwater Rule | MR | 53 | 2023 |
| Lead and Copper Rule | MR | 9 | 2009 |
| Groundwater Rule | TT | 9 | 2025 |
| Coliform (TCR) | MCL | 8 | 2010 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.