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HNL-WINDWARD-PEARL HARBOR

Serving 15 cities in HI

No Violations
All contaminants within safe levels
631K
People Served
15
Cities
2
Water Sources
0
MCL Violations

Is HNL-WINDWARD-PEARL HARBOR Water Safe to Drink?

HNL-WINDWARD-PEARL HARBOR water currently meets all EPA Maximum Contaminant Level Goals (MCLGs) across all cities served. Water quality testing shows all contaminants are within safe levels according to health-based guidelines.

This utility serves 631,389 people across 15 cities in HI. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.

HNL-WINDWARD-PEARL HARBOR Service Area

HNL-WINDWARD-PEARL HARBOR Contact & Information

Mailing Address

Honolulu Board of Water Supply 630 S. Beretania St., Rm. 308 Honolulu, HI 96843

Water Sources

GroundwaterGroundwater purchased

Treatment Methods

disinfection

Disinfectant Used

hypochlorite

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HNL-WINDWARD-PEARL HARBOR Water Quality Report 2025 | Ahuimanu, Aiea, East Honolulu, Hawaii | Contact & Safety Data | TapWaterData