Air Permits: Frequently Asked Questions
Indiana has prepared a list of frequently asked permitting questions. If you have a permitting question, check to see if we've already answered it in this FAQ.
Permit Reviewer of the Day online form
OAQ's Permit Reviewer of the Day can answer specific technical questions about the air permitting program. Contact the Permit Reviewer of the Day using the online form, or call 1-800-451-6027, press 0 and ask for extension 3-0178; or dial (317) 233-0178, then ask for the Permit Reviewer of the Day.
IDEM Permit Guide
A plain English guide to help identify environmentally related permits or approvals that must be obtained or requirements that may apply to new businesses or expansion projects.
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