Governing Law and Regulations
Indiana Department of Environmental Management (IDEM) Office of Air Quality
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Indiana's air permit regulations require any source requiring a construction permit to obtain an operating permit. Major sources must apply for a Title V operating permit, which is designed to consolidate all emissions sources at a facility under a single facilitywide operating permit. Indiana's Title V operating permit program follows federal standards and received final full approval from the U.S. Environmental Protection Agency (EPA) effective November 23, 2001. The Indiana Department of Environmental Management (IDEM) has also established a Title V permitting threshold for greenhouse gas emissions that is consistent with the federal requirements. See the national section TITLE V for more information.
• Administration and enforcement. IDEM's Office of Air Quality is responsible for the administration ...