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 Numbers, Email Addresses, and Websites
Customer Account Portal
https://myaccount.boardofwatersupply.com
customerservice@hbws.org (for access or tech support)
Water Emergencies
Pay by Phone
Touch-tone Phone 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)
Building Permit Applications
Water Waste Hotline
BWS Procurement Office
BWS Security Office (24-hour hotline)
General Inquiries
Office of the Manager and Chief Engineer
Manager and Chief Engineer
Manakia A Me Kahu Wilikī
Deputy Manager
Hope Manakia
Legal Matters
Claims
Board of Directors
(808) 748-5172 (Board Secretary)
board@hbws.org
Communications Office
Media Inquiries
Public Education
(Note: school project requests for information must be made at least 2 months prior to the project due date)
Website
Hālawa Xeriscape Garden
Capital Projects
Administration
Construction Projects
(808) 748-5730
contactus@hbws.org (attn: Construction Section)
Construction Design & Plan Review
Customer Care
Administration
Field Operations
Administration
Finance
Administration
Information Technology
Administration
Land
Administration (Easements, Entry to/Use of BWS Lands)
Water Quality
Administration
Chemical Laboratory (Color, Particles, and Chemical Testing)
Cross Connection Control (Backflow Prevention and BFPA Testing)
Microbiology Laboratory (Odor, Taste, Bacterial Testing, and Chlorination)
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)
Water System Operations
Administration (Automotive, Pumps, Telecommunications)
Updated: 03/05/2026