Indiana GHG Management regulations & environmental compliance analysis

Indiana GHG Management: What you need to know

Governing Law and Regulations

Mandatory greenhouse gas (GHG) reporting: 40 CFR 98

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GHG permitting: 40 CFR 52.21, 40 CFR 52.773, 40 CFR 52.793, 326 Indiana Administrative Code (IAC) 2-2-1 to 2-2-16, and 40 CFR 70 Appendix A

Regulatory Agency

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. Before 2009, little action was taken at the federal level, beyond voluntary initiatives, to implement greenhouse gas (GHG) management strategies ensuring that GHG emissions are accounted for and controlled. However, the U.S. Environmental Protection Agency (EPA) has changed its stance and is initiating actions to monitor and control GHG emissions.

Indiana has not implemented any GHG management programs dealing with GHG emissions or climate change other than establishing major source permitting thresholds for GHG emissions that are in line with the federal provisions.

Administration and enforcement. IDEM's Office of Air Quality will administer and enforce the permitting requirements that have been implemented in Indiana.

State Requirements


Mandatory Reporting

40 CFR 98

At this time, Indiana has no mandatory GHG reporting requirements beyond the federal mandatory GHG reporting rule. See the national section GHG MANAGEMENT for more information on mandatory GHG reporting.


40 CFR 52.21, 40 CFR 52.773, 40 CFR 52.793, 326 IAC 2-2-1 to 2-2-16, and 40 CFR 70 Appendix A

GHG emissions thresholds have been established above which sources must comply with the requirements of Prevention of Significant ...

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