Tap Water Quality in Hilo, HI
Find out what's in your drinking water. Enter your ZIP code below for a detailed water quality report for Hilo, Hawaii.
Try 96720 for Hilo
Hilo Drinking Water Overview
Population: ~46,000 | Source: Surface streams and groundwater wells
Hilo, on the Big Island's wet eastern coast, receives abundant rainfall that recharges groundwater and feeds surface streams. The Hawaii County Department of Water Supply manages the system. Volcanic activity in the region can introduce sulfur compounds and other minerals into water sources. Legacy pesticide use from sugar cane and macadamia farming is a concern in some areas.
Common water quality concerns in Hilo
Naturally occurring minerals
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Agricultural pesticide residues
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Volcanic contaminants
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What's in your Hilo water report
Contaminant levels
Every detected contaminant in your Hilo water system, compared to EPA limits and health guidelines.
Violation history
All EPA violations on record for water systems serving Hilo, 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.
Water quality in nearby cities
Check your Hilo water now
Enter your ZIP code for a free water quality report specific to your water system in Hilo, Hawaii.