Louisiana Department of Environmental Quality

DEQ Business Website

Online Payments

Please note that payments made online will not show as applied to your balance immediately. Please do not pay an invoice again that you know you’ve already paid. You should receive a receipt by email for all online payments. If you get an error message when attempting to make payment, or do not receive a receipt by email, please contact us at 225-219-3865 or send screen shots of the error to us.

Enter your AI number to view and pay your outstanding invoices or view other payments.

If you don't have an AI number, click here to request an AI. You may also view your existing payment receipts.

Support: If you are having trouble with the online payments system, please send screen shots to us.

Bank Fees Explained:

This service charge is the fee charged by the vendor providing this service. Fees are as follows:

Credit Cards

Payments may be made using Visa, Master Card, Discover, or American Express. When using this method of payment, there is a 1.95 % service charge added to the total payment.


When using this method of payment, there is a service charge in the amount of $0.50 added to the total payment.


* Effective June 29, 2020, LDEQ transitioned to USBank from Bank of America for the completion of credit card transactions. Please anticipate being directed to the US Bank online platform during check-out. This is the only change customers can expect. There should be no change in billing otherwise.