LEWIS AND CLARK CAVERNS VISITOR CENTER
PWS ID: MT0002565 · WHITEHALL, Montana 59759
Population Served
615
Total Violations
42
Health-Based Violations
9
Water Source
Surface Water
System Details
- System Type
- Transient Non-Community
- Owner Type
- State
- Connections
- 11
- County
- Jefferson
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 33
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 17 | 2008 |
| Nitrate-Nitrite | MR | 11 | 2005 |
| Coliform (TCR) | MCL | 5 | 2003 |
| Groundwater Rule | MR | 4 | 2015 |
| Groundwater Rule | TT | 4 | 2019 |
| Nitrate | MR | 1 | 1981 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.