602 North Fifth Street
Baton Rouge, LA 70802
Customer Service Center
225-219-LDEQ (5337) or Toll Free 1-866-896-LDEQ (5337)
Do you have a question concerning the department but not sure who to call? Call DEQ’s Customer Service Center, and we will be glad to help you. Please contact us between 8 a.m. - 4:30 p.m., Monday through Friday.