DEER LODGE CITY OF
PWS ID: MT0000197 · DEER LODGE, Montana 59722
Population Served
2,900
Total Violations
147
Health-Based Violations
26
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,464
- County
- Powell
- School/Daycare
- No
- MCL Violations
- 26
- Monitoring Violations
- 115
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 21 | 2014 |
| Coliform (TCR) | MCL | 17 | 2011 |
| Arsenic | MR | 15 | 2014 |
| Nitrate-Nitrite | MR | 15 | 2021 |
| Lead and Copper Rule | MR | 9 | 2017 |
| Antimony, Total | MR | 9 | 2002 |
| Beryllium, Total | MR | 9 | 2002 |
| Nickel | MR | 9 | 2002 |
| Thallium, Total | MR | 9 | 2002 |
| Arsenic | MCL | 9 | 2014 |
| Barium | MR | 3 | 2002 |
| Cadmium | MR | 3 | 2002 |
| Mercury | MR | 3 | 2002 |
| Selenium | MR | 3 | 2002 |
| Consumer Confidence Rule | Other | 3 | 2012 |
| Chromium | MR | 3 | 2002 |
| Fluoride | MR | 3 | 2002 |
| Nitrate | MR | 1 | 1994 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.