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Indiana Department of Environmental Management

Air Quality in Indiana

Air Quality in Indiana > Permits > Air Permit Assistance Air Permit Assistance

  • Air Permits Frequently Asked Questions:
    • A list of IDEM prepared frequently asked questions about the permitting process.
  • Additional Permitting Questions:
    • If you have additional questions, or would like to schedule a pre-application meeting, contact: (317)-233-3861 (all inquiries) or (317)-234-5132 (pre-application meetings). If you have inquiries that are confidential in nature, want to discuss permitting options for various scenarios, need advice that is technical in nature, or need help choosing and filling out application forms, contact IDEM's Compliance and Technical Assistance Program for free and confidential assistance: (800) 988-7901 or (317) 232-8172, or via email at