STEVENSVILLE TOWN OF
PWS ID: MT0000335 · STEVENSVILLE, Montana 59870
Population Served
2,090
Total Violations
76
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 903
- County
- Ravalli
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 66
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 33 | 2021 |
| Revised Total Coliform Rule | MON | 9 | 2023 |
| Coliform (TCR) | MR | 5 | 1998 |
| Coliform (TCR) | MCL | 5 | 2011 |
| Consumer Confidence Rule | Other | 4 | 2023 |
| E. COLI | MR | 4 | 2016 |
| Nitrate | MR | 2 | 1996 |
| Thallium, Total | MR | 1 | 1994 |
| CYANIDE | MR | 1 | 1994 |
| Beryllium, Total | MR | 1 | 1994 |
| Selenium | MR | 1 | 1994 |
| Mercury | MR | 1 | 1994 |
| Chromium | MR | 1 | 1994 |
| Cadmium | MR | 1 | 1994 |
| Interim Enhanced Surface Water Treatment Rule | MR | 1 | 2005 |
| Antimony, Total | MR | 1 | 1994 |
| Arsenic | MR | 1 | 1994 |
| Nickel | MR | 1 | 1994 |
| Fluoride | MR | 1 | 1994 |
| Barium | MR | 1 | 1994 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.