Invoicing and Accounts Receivables

General Payment Information 

We have a new invoice format that provides a perforated coupon at the bottom of the page. This coupon should be included with you payment.

Please remit your invoice payment by check or money order to the address listed below:

    Attn: Accounts Receivable
    LDEQ Financial Services Division
    PO Box 4311
    Baton Rouge, LA 70821-4311.

If you would prefer to pay online by credit card or E-check please go to:

You will need your Invoice number and Agency Interest (AI) number to make payments online.  Both numbers can be found in the top right information box on your invoice.  For step by step instruction on how to pay online please see our tutorial, How to Make Payments Online.



A citation is provided on your invoice if you wish to review the fee regulations.

Links to forms needed to resolve common billing issues such as a closure or change of owner.

Review your payment history or verify your billing address.





Frequently Asked Questions by Media Type:

  • Air Annual Maintenance Invoice FAQ

  • Water Invoice FAQ 


  •   Page last updated: July 20, 2016

    Louisiana Department of Environmental Quality 602 N. Fifth Street Baton Rouge, LA 70802
    Call or e-mail a hotline · Office Address/Phone listing · Locate a DEQ employee
    Call 1-866-896-LDEQ or e-mail our Customer Service Center with questions or comments