Kauaʻi Department of Water Home Page
Safe and Affordable Water Services for Kauaʻi
The Kauaʻi County Department of Water is dedicated to managing our water resources and providing excellent customer service to the people of Kauaʻi.
Learn More About Us DOW Public MeetingsMeter and Transponder Replacement Project
The Department of Water is actively replacing meter transponder units as part of the Meter and Transponder Replacement Project. We’re taking steps to ensure accurate readings of your actual water consumption.
Setting Up and Understanding Your Residential or Commercial Water Services
Do You Want to Set up or Transfer New Water Service for Your Home or Office?
Understand the process required, service rates and charges, and learn how to sign up for a new water service with ease.
Set Up a New Water ServiceDo You Have Questions About Your Water Bill?
Learn how to read your water bill and understand how your service is being charged.
How to Read Your BillNews
REMINDER: Department of Water announces a scheduled water service interruption on Kuamoo Road on July 22
Previously posted on July 20, 2026 KAPAʻA (Wailua Homesteads) – The Department of Water (DOW) has scheduled the repair work...
Department of Water announces a scheduled water service interruption on Kuamoo Road on July 22
Previously posted on July 16, 2026KAPAʻA (Wailua Homesteads) – The Department of Water (DOW) has scheduled the repair work on...
DOW announces complimentary tap water sampling for customers through August 5
Previously posted on July 14, 2026LIHUE – In compliance with the U.S. Environmental Protection Agency (EPA) Lead and Copper Rule,...
Providing Water for Kauaʻi Residents
Explore some key statistics that reflect the services we provide across the island of Kauaʻi.