Water Quality in Antioch, CA
18 water systems serving 116,669 people
City Overview
Average lead detection across Antioch water systems is 0.0 ppb (Very low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 143 |
| Health-based violations | 26 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Antioch
Frequently Asked Questions
Is Antioch tap water safe to drink?
Antioch 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 Antioch, California?
Antioch has 18 public water systems serving approximately 116,669 people. The average lead level across sampled systems is 0.0 ppb. There are 143 total violations on record.
Does Antioch have lead in the water?
EPA monitoring data shows an average lead detection of 0.0 ppb across Antioch's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Antioch?
18 public water systems are registered in Antioch, California with the EPA Safe Drinking Water Information System. Together they serve approximately 116,669 people.