OLSONS LOLO HOT SPRINGS
PWS ID: MT0000805 · LOLO, Montana 59847
Population Served
106
Total Violations
95
Health-Based Violations
27
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 41
- County
- Missoula
- School/Daycare
- No
- MCL Violations
- 20
- Monitoring Violations
- 63
- Treatment Tech Violations
- 7
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 57 | 2008 |
| Coliform (TCR) | MCL | 20 | 2008 |
| Surface Water Treatment Rule | TT | 7 | 2010 |
| Nitrate-Nitrite | MR | 3 | 2001 |
| Revised Total Coliform Rule | MON | 3 | 2022 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.