Calcasieu Parish Water Works District No. 4, a public community water system under the City Department of Public Works, provides water to about 5,340 residents living in Westlake, Calcasieu Parish, in western Louisiana. Founded in 1974, the Calcasieu Parish Water Works District No. 4 System currently obtains its supply from two wells, groundwater sources that drill into the aquifer underneath the area.

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Westlake Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires Water Works District 4 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 Water Works District 4 website.

Contact Water Works District 4 Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
Calcasieu Parish Ww Dist #4
P.O. Box 515
Westlake, Louisiana 70669

phone
None

Emergency (24 hours - broken water main or pipeline, etc.)
337-433-8353

Pay Your Water Works District 4 Bill

Already have an account?

If you already have an account, you just need to login to the Water Works District 4 site. Water Works District 4 accepts credit cards, debit, and direct deposit. Click here to login.

How to Start Westlake Water Service

Starting Your Service

When you move to a new home in Westlake, you'll most likely already have running water, but you'll still need to set up water service with the Water Works District 4. Luckily, Westlake 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 Westlake, you'll need to stop your water service with the Water Works District 4, 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.

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