Pay Your Bill Online
Zip+4 and 10-digit account number, as printed on your bill, is required to pay bill using portal. Click here to pay.
Customer Service
We’re here to help with new accounts, billing inquiries, or if you need any additional assistance.
Water Notices Map
For emergencies, call (808) 961-8790 – Call 24 hours a day, all districts. Broken mains, low water pressure, leaks.
Lead and Copper Rule Revision
Water service could be impacted by extended power outages
By
/ July 31, 2026
Waimea, Waikōloa Water Service Could be Impacted by Extended Power Outages Due to High Winds The Department of Water Supply...
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South Kona Water Conservation Notice
By
/ May 27, 2026
Water Conservation Notice Issued for All South Kona Customers AFFECTED AREAS: HONALO, KAINALIU, KEEI, KEALAKEKUA, NĀPO‘OPO‘O, HŌNAUNAU, HO‘OKENA; SOUTH KONA,...
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South Kohala – Lalamilo Water Restriction Notice Updated
By
/ April 7, 2026
UPDATED Water Restriction Notice for South Kohala -Lālāmilo Customers AFFECTED AREAS: KAWAIHAE, KAWAIHAE HARBOR, HAPUNA BEACH RESORT, MAUNA KEA BEACH...
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The Department of Water Supply is a semi-autonomous agency of the County of Hawai‘i that is governed by the Water Board. Founded in 1949, its primary function is to provide domestic water service through its 23 water systems scattered throughout the Big Island. The Department continually strives to provide safe, dependable, high quality, potable water at a reasonable cost.


