Water Quality in Hilo, HI
27 water systems serving 118,981 people
City Overview
Average lead detection across Hilo water systems is 0.2 ppb (Very low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 715 |
| Health-based violations | 554 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Hilo
Frequently Asked Questions
Is Hilo tap water safe to drink?
Hilo 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 Hilo, Hawaii?
Hilo has 27 public water systems serving approximately 118,981 people. The average lead level across sampled systems is 0.2 ppb. There are 715 total violations on record.
Does Hilo have lead in the water?
EPA monitoring data shows an average lead detection of 0.2 ppb across Hilo's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Hilo?
27 public water systems are registered in Hilo, Hawaii with the EPA Safe Drinking Water Information System. Together they serve approximately 118,981 people.