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  2. EPA in Oklahoma

Air Issues in Oklahoma

Additional Information
  • Air Programs in Oklahoma: Air Quality Division of ODEQ .
  • Part 70 Title V Operating Permit Timeline for Oklahoma
  • Approved Air State Implementation Plans (SIPs)
  • Air Permitting in Oklahoma

Air Issues in Oklahoma

The Clean Air Act (CAA) establishes a number of permitting programs designed to carry out the goals of the act. Some of these programs are directly implemented by EPA's South Central Region (Region 6), but most are carried out by the Oklahoma Department of Environmental Quality (ODEQ).

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Air Regulations in Oklahoma

Regional Haze

Additional Resources

AirNow in Oklahoma - A government-backed program with real-time data and ozone mapping pages.

EPA recently disapproved a portion of the Oklahoma regional haze plan pertaining to reasonable progress. EPA also finalized a plan to limit sulfur dioxide emissions from eight Texas coal-fired electricity generating facilities as part of satisfying the reasonable progress and long-term strategy requirements for improving visibility at the Wichita Mountains National Wildlife Refuge in Oklahoma, and Big Bend and the Guadalupe Mountains National Parks in Texas.

National Emission Standards for Hazardous Air Pollutants

OK008.02 Oklahoma; National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to Oklahoma, Proposed rule .

The Oklahoma Department of Environmental Quality (ODEQ) has submitted updated regulations for receiving delegation of Environmental Protection Agency (EPA) authority for implementation and enforcement of National Emission Standards for Hazardous Air Pollutants (NESHAP) for all sources (both part 70 and non-part 70 sources). The delegation of authority under this action does not apply to sources located in Indian Country. EPA is providing notice that it is taking direct final action to approve the delegation of certain NESHAPs to ODEQ.

The regulation ID: EPA-R06-OAR-2008-0063-0002 is published on www.regulations.gov.

Contact Us about EPA in Oklahoma to ask a question, provide feedback, or report a problem.
Last updated on June 11, 2025
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