Water Quality in Walnut, CA
2 water systems serving 101,141 people
City Overview
Average lead detection across Walnut water systems is 0.0 ppb (Very low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 22 |
| Health-based violations | 2 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Walnut
Frequently Asked Questions
Is Walnut tap water safe to drink?
Walnut 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 Walnut, California?
Walnut has 2 public water systems serving approximately 101,141 people. The average lead level across sampled systems is 0.0 ppb. There are 22 total violations on record.
Does Walnut have lead in the water?
EPA monitoring data shows an average lead detection of 0.0 ppb across Walnut's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Walnut?
2 public water systems are registered in Walnut, California with the EPA Safe Drinking Water Information System. Together they serve approximately 101,141 people.