Contact Us
Honolulu Office
Board of Water Supply – Ka ʻOihana Wai
Public Service Building
630 South Beretania Street
Honolulu, Hawaiʻi 96843
Hours: Monday to Friday, 7:45 a.m. - 4:30 p.m., except holidays
Directions & Parking
Water Service
Customer Account Self-Service Portal
https://myaccount.boardofwatersupply.com
customerservice@hbws.org (for access or tech support)
Outages or Emergencies
Pay by Phone (available 24/7)
(808) 748-5000, x2 or (808) 748-6000, x2
(808) 204-4234 (single-family residential customers)
Start or Stop Water Service
Past Due Accounts
Questions & Disputes (Water Bill) Honolulu Board of Water Supply (BWS)
Questions & Disputes (Sewer Bill)
Honolulu Department of Environmental Services (ENV)
BWS Applications & Permits
Project Review
Construction Plan Review
Service Engineering
Water Waste Hotline
Other Inquiries
All Other Inquiries
Office of the Manager and Chief Engineer
Manager and Chief Engineer
Manakia A Me Kahu Wilikī
Deputy Manager
Hope Manakia
Board of Directors
https://www.boardofwatersupply.com/board
(808) 748-5172 (Board Secretary)
board@hbws.org
Communications Office
Media Inquiries
Hālawa Xeriscape Garden
Public Education
(Note: school project requests for information must be made at least 2 months prior to the project due date)
Website
Capital Projects
Construction Design & Plan Review
Construction Projects
(808) 748-5730
contactus@hbws.org (attn: Construction Section)
Executive Support Office
Claims
Legal Matters
Procurement
Security Office (24-hour hotline)
Human Resources Office
Recruitment (BWS Jobs)
Land
Easements, Entry to/Use of BWS Lands
Water Quality
Chemical Laboratory (Color, Particles, and Chemical Testing)
Microbiology Laboratory (Odor, Taste, Bacterial Testing, and Chlorination)
Cross Connection Control (Backflow Prevention and BFPA Testing)
Water Resources
Long-Range and Water Systems Planning, Hydro-geology, and Recycled Water
Project Review (Flow Data, System Pressure, Water Availability, and Water Master Plans)
Updated: 04/17/2026