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about water authority

The Water Authority of the Cayman Islands is proud to serve our customers, the Cayman Islands community and to protect the environment since 1981.

Our mission is to ensure that the entire population of the Cayman Islands has access to a pure, wholesome and affordable supply of potable water; and to regulate other entities licensed by the Government to provide public water supplies.
We are proud to be providing water and sewerage services to over 17,000 customers in the Grand Cayman districts of George Town, Bodden Town, East End, North Side and the Sister Island of Cayman Brac. Additionally, we carry out development control relating to water, wastewater and groundwater.

Has your contact or address information changed recently?

Update your customer information by completing this form.

Notice to LIME customers

If your internet access was recently upgraded, please be advised that you must restart your modem in order to access your online account with the Water Authority. We apologise for any inconvenience this may cause and thank you for your patience.


Read our latest issue of 'What's on Tap?' here.

Pay Online

Click here to pay your bill now through the Authority’s website.

Manage your Account online

Get access to your account,review your bill and create service requests now.  For owners that have signed up to manage their account online please visit online.waterauthority.ky to gain access to your account. 

Water Authority is pleased to present a new and improved bill format.  For instructions on how to read your new bill please click here.


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