PLAINS TOWN OF
PWS ID: MT0000305 · PLAINS, Montana 59859
Population Served
1,700
Total Violations
373
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 649
- County
- Sanders
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 373
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate-Nitrite | MR | 6 | 2001 |
| cis-1,2-Dichloroethylene | MR | 6 | 1999 |
| Vinyl chloride | MR | 6 | 1999 |
| Carbon tetrachloride | MR | 6 | 1999 |
| Trichloroethylene | MR | 6 | 1999 |
| 1,1,2-Trichloroethane | MR | 6 | 1999 |
| Benzene | MR | 6 | 1999 |
| 1,2,4-Trichlorobenzene | MR | 6 | 1999 |
| Xylenes, Total | MR | 6 | 1999 |
| DICHLOROMETHANE | MR | 6 | 1999 |
| p-Dichlorobenzene | MR | 6 | 1999 |
| 1,1-Dichloroethylene | MR | 6 | 1999 |
| trans-1,2-Dichloroethylene | MR | 6 | 1999 |
| 1,2-Dichloroethane | MR | 6 | 1999 |
| 1,1,1-Trichloroethane | MR | 6 | 1999 |
| 1,2-Dichloropropane | MR | 6 | 1999 |
| CHLOROBENZENE | MR | 6 | 1999 |
| Toluene | MR | 6 | 1999 |
| BHC-GAMMA | MR | 6 | 1999 |
| Toxaphene | MR | 6 | 1999 |
| Dalapon | MR | 6 | 1999 |
| OXAMYL | MR | 6 | 1999 |
| Di(2-ethylhexyl) phthalate | MR | 6 | 1999 |
| Dinoseb | MR | 6 | 1999 |
| Hexachlorocyclopentadiene | MR | 6 | 1999 |
| Aldicarb sulfoxide | MR | 6 | 1999 |
| Aldicarb sulfone | MR | 6 | 1999 |
| Carbofuran | MR | 6 | 1999 |
| Aldicarb | MR | 6 | 1999 |
| Heptachlor epoxide | MR | 6 | 1999 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.