Welcome to the Oklahoma DEQ Tier II Online Filing System

Tier II Login Login: * Password: *

SPECIAL NOTE: If you are using Internet Explorer 10 or above, you may experience compatibility issues with this site.
To remedy this, click on Tools and select Compatibility View Settings and add "ok.gov" to the list.
You may also use another browser such as Google Chrome.

If you do not have an account, contact Matt Wormus at 405-702-5137.