Language Translation
  Close Menu


Air Permits

For assistance with air permit-related topics, please contact:

Indiana Department of Environmental Management
Office of Air Quality
100 North Senate Avenue, IGCN 1003
Indianapolis, IN 46204-2251

Request A Pre-Application Meeting / Discuss Application

Please note that there are six sections within the branch which specialize in specific industries. To be directed to the appropriate section chief, permit applicants should have the following information ready prior to the call:

  • Standard Industrial Classification (SIC) code for your source operations
  • Location of the source and any existing air permit number
  • Brief description of the project or activity
  • Any specific questions
  • Your contact information

Air Permit Applications

When submitting an air permit application, send one (1) signed hard copy of the original application packet by courier mail or hand delivery directly to the Office of Air Quality Air Permits Branch at the following mailing address:

Indiana Department of Environmental Management
Office of Air Quality, Air Permits Administration
ATTN: Incoming Application
100 North Senate Avenue, IGCN 1003
Indianapolis, IN 46204-2251

Submit a Preliminary Electronic Copy of the Signed Application by Email

In addition to submitting a signed hard copy of the original application, you may also submit a preliminary electronic copy (in Adobe Acrobat PDF format) by email to:

Please review complete requirements and instructions on IDEM’s Preliminary Application Submitted by Email page.

Please note that this email address is solely for the purposes of submitting a preliminary electronic application. IDEM OAQ will not respond to any other emails submitted to this email address.

If your email cannot be sent (or is rejected by the server) because the attached application file is too large (exceeds allowable size limit), please contact:

Interested Parties Mailing List

To request to receive notices about permit actions for a source or county:

Interim Permit Applications

Before submitting an interim permit application, applicants are strongly encouraged to contact IDEM for a pre-application meeting or conference call. Applicants can save valuable time by discussing their interim permit application prior to its submission. For prompt assistance:

Air Permit Revocations

Send written objections concerning air permit revocations to the attention of the Compliance Enforcement Branch, Air Permit Revocations, at the Air Permits Branch mailing address. Please specify the source and include your contact information (telephone number or email address).

General IDEM Information

IDEM Interactive Regional Staff and Inspectors Map

 Top FAQs