LOMA COUNTY WATER DISTRICT
PWS ID: MT0002669 · LOMA, Montana 59460
Population Served
200
Total Violations
217
Health-Based Violations
14
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 121
- County
- Chouteau
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 198
- Treatment Tech Violations
- 9
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MR | 18 | 2001 |
| Surface Water Treatment Rule | MR | 15 | 2010 |
| Thallium, Total | MR | 9 | 2005 |
| Nickel | MR | 9 | 2005 |
| Beryllium, Total | MR | 9 | 2005 |
| Antimony, Total | MR | 9 | 2005 |
| Interim Enhanced Surface Water Treatment Rule | TT | 8 | 2006 |
| Lead and Copper Rule | MR | 6 | 2014 |
| Coliform (TCR) | MCL | 5 | 2001 |
| 1,2,4-Trichlorobenzene | MR | 4 | 2001 |
| o-Dichlorobenzene | MR | 4 | 2001 |
| p-Dichlorobenzene | MR | 4 | 2001 |
| Vinyl chloride | MR | 4 | 2001 |
| trans-1,2-Dichloroethylene | MR | 4 | 2001 |
| 1,2-Dichloroethane | MR | 4 | 2001 |
| 1,2-Dichloropropane | MR | 4 | 2001 |
| Trichloroethylene | MR | 4 | 2001 |
| 1,1,2-Trichloroethane | MR | 4 | 2001 |
| CHLOROBENZENE | MR | 4 | 2001 |
| Benzene | MR | 4 | 2001 |
| Toluene | MR | 4 | 2001 |
| Styrene | MR | 4 | 2001 |
| DICHLOROMETHANE | MR | 4 | 2001 |
| cis-1,2-Dichloroethylene | MR | 4 | 2001 |
| Xylenes, Total | MR | 4 | 2001 |
| 1,1-Dichloroethylene | MR | 4 | 2001 |
| Tetrachloroethylene | MR | 4 | 2001 |
| Carbon tetrachloride | MR | 4 | 2001 |
| Ethylbenzene | MR | 4 | 2001 |
| 1,1,1-Trichloroethane | MR | 4 | 2001 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.