WINIFRED TOWN OF
PWS ID: MT0000363 · WINIFRED, Montana 59489
Population Served
274
Total Violations
438
Health-Based Violations
13
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 121
- County
- Fergus
- School/Daycare
- No
- MCL Violations
- 10
- Monitoring Violations
- 408
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 39 | 2009 |
| Gross Alpha, Excl. Radon and U | MR | 38 | 2019 |
| Lead and Copper Rule | MR | 20 | 2025 |
| Nitrate-Nitrite | MR | 16 | 2024 |
| Consumer Confidence Rule | Other | 11 | 2019 |
| Coliform (TCR) | MCL | 10 | 2014 |
| cis-1,2-Dichloroethylene | MR | 9 | 2002 |
| o-Dichlorobenzene | MR | 9 | 2002 |
| Vinyl chloride | MR | 9 | 2002 |
| 1,1-Dichloroethylene | MR | 9 | 2002 |
| trans-1,2-Dichloroethylene | MR | 9 | 2002 |
| 1,2-Dichloroethane | MR | 9 | 2002 |
| 1,2-Dichloropropane | MR | 9 | 2002 |
| Trichloroethylene | MR | 9 | 2002 |
| Tetrachloroethylene | MR | 9 | 2002 |
| Benzene | MR | 9 | 2002 |
| Ethylbenzene | MR | 9 | 2002 |
| Dinoseb | MR | 9 | 2002 |
| 2,4-D | MR | 9 | 2002 |
| 2,4,5-TP | MR | 9 | 2002 |
| Pentachlorophenol | MR | 9 | 2002 |
| Nickel | MR | 9 | 2002 |
| Arsenic | MR | 9 | 2002 |
| Antimony, Total | MR | 9 | 2002 |
| Beryllium, Total | MR | 9 | 2002 |
| Dalapon | MR | 9 | 2002 |
| Picloram | MR | 9 | 2002 |
| Xylenes, Total | MR | 9 | 2002 |
| p-Dichlorobenzene | MR | 9 | 2002 |
| 1,1,1-Trichloroethane | MR | 9 | 2002 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.