Downey, California Water Violations

1 water systems serve Downey, California, providing drinking water to an estimated 108,816 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
Downey - City, Water Dept. 108,816 Groundwater 5 4