Unalaska, Alaska Water Violations

2 water systems serve Unalaska, Alaska, providing drinking water to an estimated 9,935 people. These systems have 3 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
Offshore Systems, Dutch Harbor 535 Surface Water 33 3
Unalaska Water System 9,400 Surface Water 37 0