Hawaii Water Quality
Drinking water data for all 5 counties.
Avg Water Score
100.0
State Grade
A
Counties with Data
4
of 5 total
All Hawaii Counties
| County | Water Score |
|---|---|
| Hawaii County | 100.0 |
| Honolulu County | 100.0 |
| Kauai County | 100.0 |
| Maui County | 100.0 |
| Kalawao County | — |
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Data Source
Water quality data sourced from the EPA Safe Drinking Water Information System (SDWIS) via the ECHO enforcement database. Scores reflect compliance history and health-based violation counts.
Disclaimer: This data is informational only. It is not health, legal, or professional advice. For concerns about your specific water supply, contact your local water utility.
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