Oskaloosa, Iowa Water Violations

3 water systems serve Oskaloosa, Iowa, providing drinking water to an estimated 22,791 people. These systems have 2 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
Mahaska Rural Water System, Inc. 9,818 Groundwater 4 2
Oskaloosa Municipal Water Dept 12,808 Groundwater Under Influence 10 0
Oak Creek MHP 165 GUP 0 0