DENTON TOWN OF
PWS ID: MT0000199 · DENTON, Montana 59430
Population Served
255
Total Violations
392
Health-Based Violations
343
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 169
- County
- Fergus
- School/Daycare
- No
- MCL Violations
- 46
- Monitoring Violations
- 32
- Treatment Tech Violations
- 297
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Long Term 2 Enhanced Surface Water Treatment Rule | TT | 232 | 2024 |
| Surface Water Treatment Rule | TT | 57 | 2025 |
| Nitrate-Nitrite | MCL | 43 | 2016 |
| Consumer Confidence Rule | Other | 14 | 2022 |
| Groundwater Rule | TT | 8 | 2011 |
| Nitrate-Nitrite | MR | 6 | 2018 |
| Revised Total Coliform Rule | MON | 6 | 2021 |
| Nitrate | MCL | 3 | 1987 |
| Mercury | MR | 3 | 1999 |
| Cadmium | MR | 3 | 1999 |
| Chromium | MR | 3 | 1999 |
| Barium | MR | 3 | 1999 |
| Selenium | MR | 3 | 1999 |
| Fluoride | MR | 3 | 1999 |
| Lead and Copper Rule | MR | 2 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.