Oklahoma GHG Management regulations & environmental compliance analysis

Oklahoma 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: Oklahoma Administrative Code (OAC) 252:100-7 and OAC 252:100-8

Regulatory Agency

Oklahoma Department of Environmental Quality (DEQ) Air Quality Division

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Applicable sources must comply with the federal greenhouse gas (GHG) reporting program under 40 CFR 98. Oklahoma has no additional mandatory GHG reporting.

Administration and enforcement. The Oklahoma Department of Environmental Quality's (DEQ) Air Quality Division will provide administrative support for the regional programs being implemented in Oklahoma.

State Requirements


Mandatory Reporting

At this time Oklahoma 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.

Voluntary Reporting

Oklahoma is a member of the Climate Registry, which supports voluntary and regulatory GHG emissions reporting programs.


OAC 252:100-7 and OAC 252:100-8

Oklahoma has established thresholds for GHG emissions above which sources must comply with the requirements of Prevention of Significant Deterioration and/or the Title V Operating Permit program. The permitting thresholds follow those established by the federal programs. See the national sections NEW SOURCE REVIEW and TITLE V for more information.


Oklahoma is currently a member of the Climate Registry to address GHG emissions.

Read more about GHG Management