Louisiana Department of Environmental Quality

Welcome to DEQ Business!

The new DEQ business site is designed to help businesses interact with DEQ in a more efficient manner. We will be expanding the functionality of this site as new applications become available. If this is your first time using the DEQ business website, please start by creating a new account. Existing users please login now.

Ebusiness Site Will Be Undergoing Maintenance After 3:00PM on 3/24/2023 Until Further Updates. Please do not access and make any payments during this time period. Thanks for your patience.