Dauphin Island Water & Sewer Authority, a public water supply and sewer services authority, provides water to about 5,802 residents living in Dauphin Island, Mobile County, Alabama. Founded in 1972, Dauphin Island Water & Sewer Authority System currently obtains its supply from groundwater sources, primarily wells that drill into the aquifer underneath area. 

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Dauphin Island Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires Dauphin Island Water to assess local water quality each year and distribute a Consumer Confidence Water Quality Report. At WaterZen, we review these reports and make the information available, in a concise, straightforward, and easy-to-understand way. You can find CCR report on the Dauphin Island Water website.

Contact Dauphin Island Water Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
Po Box 400
Dauphin Island, Alabama 36561


Emergency (24 hours - broken water main or pipeline, etc.)

Pay Your Dauphin Island Water Bill

Already have an account?

If you already have an account, you just need to login to the Dauphin Island Water site. Dauphin Island Water accepts credit cards, debit, and direct deposit. Click here to login.

How to Start Dauphin Island Water Service

Starting Your Service

When you move to a new home in Dauphin Island, you'll most likely already have running water, but you'll still need to set up water service with the Dauphin Island Water. Luckily, Dauphin Island has made it pretty simple with the following online form. Starting service generally takes just two business days.

Click here to fill out a Start Service Form.

Stopping Your Service

When you move out of a home in Dauphin Island, you'll need to stop your water service with the Dauphin Island Water, so you don't keep getting billed. Simply fill out the following online form. Stopping service normally takes just two business days.

Click here to fill out a Stop Service Form.