City of Slidell: Business: Water Treatment

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The Department of Wastewater Treatment is responsible for maintaining and operating the Terrace Avenue Wastewater Treatment Plant and the Basin 500 Equalization Tank.

Contact Public Operations
Customer Complaints/Work Orders: 985-643-6140
Questions about Flooding: 985-646-4258
After Hours/Weekends: 985-643-6140

Hours
7:00am - 3:30pm (Mon. - Fri.)

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The City of Slidell
is a proud recipient of the
National League of Cities’
Gold Award for
Municipal Excellence.