District Information


Billing/Service Requests: (808) 657-6368 or (808) 883-2065
After-Hours Emergency: (808) 883-2046; (808) 883-9221 answering service

Customer Center/ Walk-In Payments

68-1845 Waikoloa Road, Unit 216
Waikoloa, HI 96738
Office hours: 8:00 a.m.–4:30 p.m.
Monday through Friday
(Closed Federal holidays)
Note: The Customer Center lobby is currently closed. We are still available to serve you by phone.

Phone: (808) 657-6368; (808) 883-2065
Fax: (808) 883-2064
Customer Center map (Google)

Mail Payments (bank lockbox)

Hawaii Water Service
P.O. Box 30450
Honolulu, HI 96820-0450


P.O. Box 384809
Waikoloa, HI 96738

acarlos@hawaiiwaterservice.com or acarrasco@hawaiiwaterservice.com

General Manager

Tony Carrasco

General Information

Since 2003, Hawaii Water Service has provided high-quality water and wastewater utility services to homes, condominiums, hotels, golf courses, and shops on Maui and the Big Island. We began serving as the operator of the Keauhou wastewater system in October 2018, and purchase of the system was closed in December 2022. We are committed to supplying you, our valued customer, with reliable wastewater service that meet all water quality and environmental standards.