CONTACT US
Contact Us
Board of Water Supply
Ka ʻOihana Wai
Public Service Building (PSB)
630 South Beretania Street
Honolulu, Hawaii 96843
Hours:
Monday to Friday, 7:45 a.m. - 4:30 p.m., except holidays
Frequently Used Websites, Numbers, and Email Addresses
Customer Account Portal
https://myaccount.boardofwatersupply.com
customerservice@hbws.org (for access or tech support)
Water Outage or Service Emergency
Pay by Phone
Touch-tone Phone Service (24-hour service)
(808) 748-5000, x2 or (808) 748-6000, x2
(808) 204-4234 (single-family residential customers)
Start or Stop Water Service
Past Due Accounts
Water Bill Questions & Disputes (Honolulu Board of Water Supply)
Sewer Bill Questions & Disputes (Honolulu Department of Environmental Services)
BWS Building Applications & Permits
Project Review
Construction Plan Review
Service Engineering
Water Waste Hotline
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
(808) 748-5172 (Board Secretary)
board@hbws.org
Claims
Legal Matters
BWS Human Resources Office
BWS Procurement Office
BWS Security Office (24-hour hotline)
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)
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: 03/13/2026