SWEETGRASS WATER USERS ASSN
PWS ID: MT0000340 · SWEET GRASS, Montana 59484
Population Served
100
Total Violations
215
Health-Based Violations
5
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 97
- County
- Toole
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 201
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 102 | 2024 |
| Coliform (TCR) | MR | 31 | 2015 |
| Total Haloacetic Acids (HAA5) | MR | 19 | 2024 |
| TTHM | MR | 19 | 2024 |
| Chlorine | MR | 14 | 2014 |
| Consumer Confidence Rule | Other | 5 | 2008 |
| TTHM | MCL | 5 | 2025 |
| Revised Total Coliform Rule | MON | 4 | 2017 |
| Surface Water Treatment Rule | MR | 3 | 2024 |
| Nitrate | MR | 1 | 1993 |
| Fluoride | MR | 1 | 1994 |
| Mercury | MR | 1 | 1994 |
| Cadmium | MR | 1 | 1994 |
| Barium | MR | 1 | 1994 |
| Arsenic | MR | 1 | 1994 |
| Asbestos | MR | 1 | 2002 |
| Selenium | MR | 1 | 1994 |
| Chromium | MR | 1 | 1994 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.