Water Quality in Honolulu, HI
23 water systems serving 971,349 people
City Overview
Average lead detection across Honolulu water systems is 0.3 ppb (Very low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 520 |
| Health-based violations | 81 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Honolulu
Frequently Asked Questions
Is Honolulu tap water safe to drink?
Honolulu 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 Honolulu, Hawaii?
Honolulu has 23 public water systems serving approximately 971,349 people. The average lead level across sampled systems is 0.3 ppb. There are 520 total violations on record.
Does Honolulu have lead in the water?
EPA monitoring data shows an average lead detection of 0.3 ppb across Honolulu's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Honolulu?
23 public water systems are registered in Honolulu, Hawaii with the EPA Safe Drinking Water Information System. Together they serve approximately 971,349 people.