Hawaii Water Quality
Check tap water quality for any ZIP code in Hawaii. See contaminants, violations, and health risks for your water system.
Enter a Hawaii ZIP code to get your free water quality report.
Water Quality in Hawaii
Key factors and concerns
Hawaii's remote location and volcanic geology create unique water quality conditions. Groundwater is generally clean, but military PFAS contamination at Red Hill near Pearl Harbor caused a significant crisis. Pesticide runoff from agriculture also affects some areas.
What's in your Hawaii water report
Contaminant levels
Every detected contaminant in your Hawaii water system, compared to EPA limits and health guidelines.
Violation history
All EPA violations on record for water systems in Hawaii, including health-based and monitoring violations.
Water quality grade
An A through F grade based on violation history, contaminant levels, and health guideline comparisons.
Filter recommendations
Which type of water filter will actually remove the contaminants found in your specific water system.
Check your Hawaii water now
Enter your ZIP code for a free water quality report specific to your water system in Hawaii.
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