Gary Biorefinery

The Indiana Department of Environmental Management (IDEM) and the City of Gary are the principal permitting and regulatory authorities for the Gary biorefinery. IDEM is responsible for enforcing all EPA standards and requirements.

Indiana Department of Environmental Management (IDEM)

• Federally Enforceable State Operating Permit (also know as a Synthetic Minor Air Permit)
• • Status: Notice of Decision: Approval - Effective August 16, 2022. IDEM Notice (PDF)
  • Status: Notice of 30-Day Period for Public Comment released - March 31, 2022. IDEM Notice (PDF)
  • Status: Notice of Public Hearing released - March 31, 2022. IDEM Notice (PDF)
  • Air Permits FAQ (PDF)
• Comfort Letter (Land Quality):
• • Status: To to be filed in 2023.

City of Gary

1. 1. Air Operator’s Permit: Filed after the Biorefinery starts operations.
   2. Storm Water Permit: Filed in 2022.
   3. Site Plan Approval: To be filed in 2023.
   4. Building Permits: To be filed prior to construction.
   5. Wastewater Discharge Permit: To be filed in 2023.