Ko'uWai app for iPhone and iPad

KouWai is an iOS mobile application that provides customers access Customer Account Portal.

The Kaua’i Department of Water, a semi-autonomous agency of the County of Kaua’i manages Kaua’i’s drinking water services, resources, and distribution systems. Its mission statement, “Together, we provide safe, affordable and sufficient drinking water through wise management of our resources and with excellent customer service for the people of Kaua’i” is embraced by the Department, its employees and the Board of Water Supply Members.

Together, we provide safe, affordable, sufficient drinking water through wise management of our resources and with excellent customer service for the people of Kauai.

Using the KouWai mobile application, register, and log in to use the Customer Account Portal. Features within the portal include:

- Viewing customer account information.
- Using the payment feature to pay an outstanding balance by credit card or ACH.
- Contacting the website with any questions or issues that a customer may have.