PlainWater

HOBSON TOWN OF

PWS ID: MT0004382 · HOBSON, Montana 59452

Population Served
125
Total Violations
120
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
3
County
Judith Basin
School/Daycare
No
MCL Violations
4
Monitoring Violations
103
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 24 2010
Lead and Copper Rule MR 13 2024
Consumer Confidence Rule Other 13 2014
Coliform (TCR) MCL 4 2004
DICHLOROMETHANE MR 3 2014
Vinyl chloride MR 3 2014
1,1-Dichloroethylene MR 3 2014
trans-1,2-Dichloroethylene MR 3 2014
1,1,1-Trichloroethane MR 3 2014
1,1,2-Trichloroethane MR 3 2014
Tetrachloroethylene MR 3 2014
Ethylbenzene MR 3 2014
Revised Total Coliform Rule MON 3 2024
1,2-Dichloropropane MR 3 2014
Carbon tetrachloride MR 3 2014
o-Dichlorobenzene MR 3 2014
Toluene MR 3 2014
Styrene MR 3 2014
Benzene MR 3 2014
1,2,4-Trichlorobenzene MR 3 2014
Xylenes, Total MR 3 2014
1,2-Dichloroethane MR 3 2014
Trichloroethylene MR 3 2014
CHLOROBENZENE MR 3 2014
p-Dichlorobenzene MR 3 2014
cis-1,2-Dichloroethylene MR 3 2014
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.