Water Quality in Corona, CA
36 water systems serving 180,353 people
City Overview
Average lead detection across Corona water systems is 1.1 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 475 |
| Health-based violations | 209 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Corona
Frequently Asked Questions
Is Corona tap water safe to drink?
Corona tap water meets EPA standards for most contaminants. Review the individual water system pages below for the latest lead sample results and violation history.
What is the water quality in Corona, California?
Corona has 36 public water systems serving approximately 180,353 people. The average lead level across sampled systems is 1.1 ppb. There are 475 total violations on record.
Does Corona have lead in the water?
EPA monitoring data shows an average lead detection of 1.1 ppb across Corona's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Corona?
36 public water systems are registered in Corona, California with the EPA Safe Drinking Water Information System. Together they serve approximately 180,353 people.