Basin, Montana Water Violations

2 water systems serve Basin, Montana, providing drinking water to an estimated 252 people. These systems have 4 health-based violations on record, meaning contaminant levels exceeded EPA maximum contaminant levels (MCLs) or required treatment standards were not met.

Select a water system below to see its full violation history, lead and copper testing results, and compliance status.

Water SystemPopulation ServedSourceViolationsHealth-Based
Basin County Water and Sewer Dist 200 Groundwater 40 3
Merry Widow Health Mine Unapproved 52 Groundwater 4 1