An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

CAA Permitting in Louisiana

Permit applications and other permitting related documents for submittal to Region 6 may be sent electronically in a searchable Portable Document Format (PDF) or Microsoft Word, excel, or other database documents by Louisiana permit document email.  We recommend following this guidance when preparing and submitting documents to Region 6.

Clean Air Act permitting in Louisiana is the responsibility of the Air Permits Division Exit of the  Louisiana Department of Environmental Quality (LDEQ).

Responsible Area

Contact Information for Region 6 Air Permitting

  • Louisiana Program Contact
    Brad Toups
    Phone (214) 665-7258
    FAX: (214) 665-7263

State Agency Office

  • LDEQ Air Permits Division
    P.O. Box 4313
    Baton Rouge, LA  70821-4313
    Phone: (225) 219-3417
    Fax: (225) 219-3309

State Implementation Plans (SIP)

Part 70 Title V Operating Permit Timeline for Louisiana