Rock Valley, Iowa Water Violations

2 water systems serve Rock Valley, Iowa, providing drinking water to an estimated 6,289 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
Rock Valley Rural Water District 2,230 Groundwater 3 3
Rock Valley Water Supply 4,059 Groundwater 7 0