COVID-19 Update

Due to the “Stay at Home / Work from Home” orders from the Governor of Hawaii and the Mayor of the City and County of Honolulu to help prevent the spread of the coronavirus, the lobby of the Board of Water Supply is closed until further notice. Customers who need to pay their bill should review alternative payment options.

Board of Water Supply

630 South Beretania Street
Honolulu, HI 96843
Hours of operation: Monday - Friday, 7:45 a.m. - 4:30 p.m.

Water Emergency

(808) 748-5000, ext. 1  
Report broken water main or fire hydrant    

Backflow Prevention

(808) 748-5470
Cross-connection and control    


(808) 748-5020
Automatic Bill Payment (ABP)
Delinquent/duplicate bill


(808) 748-5041
Water Waste Hotline    

Construction Projects

(808) 748-5730
Ongoing projects   (attn: Construction Section)

Customer Service

(808) 748-5030
Change of address
High bill inquiry
Start, stop or transfer water service

Employment Opportunities

(808) 748-5160

General Information

(808) 748-5000  
Division contacts    

Media Inquiries

(808) 748-5041  


(808) 748-5460  
Change meter
Install new meter
Relocate meter
Temporary meter

Public Education*

(808) 748-5041
Educational materials
Facility tours/speaker requests
Xeriscape workshops

Security (24-Hour Hotline)

(808) 748-5911  
Report security-related incidents or concerns    

Water Quality

Color, particles, chemical testing (808) 748-5840  
Odor, taste, bacterial testing, chlorination (808) 748-5850  


(808) 748-5041

* Note: Requests for information for school projects must be made at least five (5) business days prior to the project due date.


Updated: 04/03/2020