Water Quality in Oakley, CA
21 water systems serving 45,735 people
City Overview
Average lead detection across Oakley water systems is 3.6 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 338 |
| Health-based violations | 116 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Oakley
Frequently Asked Questions
Is Oakley tap water safe to drink?
Oakley 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 Oakley, California?
Oakley has 21 public water systems serving approximately 45,735 people. The average lead level across sampled systems is 3.6 ppb. There are 338 total violations on record.
Does Oakley have lead in the water?
EPA monitoring data shows an average lead detection of 3.6 ppb across Oakley's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Oakley?
21 public water systems are registered in Oakley, California with the EPA Safe Drinking Water Information System. Together they serve approximately 45,735 people.