Water Quality in El Cajon, CA
13 water systems serving 18,581 people
City Overview
Average lead detection across El Cajon water systems is 5.8 ppb (Moderate). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 192 |
| Health-based violations | 38 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in El Cajon
Frequently Asked Questions
Is El Cajon tap water safe to drink?
El Cajon 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 El Cajon, California?
El Cajon has 13 public water systems serving approximately 18,581 people. The average lead level across sampled systems is 5.8 ppb. There are 192 total violations on record.
Does El Cajon have lead in the water?
EPA monitoring data shows an average lead detection of 5.8 ppb across El Cajon's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve El Cajon?
13 public water systems are registered in El Cajon, California with the EPA Safe Drinking Water Information System. Together they serve approximately 18,581 people.