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Approved Air Quality Implementation Plans in Wyoming

This site contains information about air quality regulations called State Implementation Plans (SIPs), Federal Implementation Plans (FIPs), and Tribal Implementation Plans (TIPs) approved by EPA within Wyoming. To find the status of SIP submittals, visit SIP status reports.         

Approved SIPs

  • EPA Approved Regulations
  • EPA Approved Source-Specific Requirements
  • EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures
  • About SIPs

Approved TIPs

  • EPA has not issued any TIPs in Wyoming
  • About TIPs

Approved FIPs

  • EPA has not issued any FIPs in Wyoming
  • About FIPs

Related Information

  • Air Quality Implementation Plans 
  • Criteria Air Pollutants (NAAQS)  
  • Nonattainment Areas (Green Book)  
  • Delegations of Authority for NSPS and NESHAP

About this website: The official SIPs, TIPs, and FIPs are contained in regulations promulgated in the Federal Register and codified in the U.S. Code of Federal Regulations (CFR).  EPA’s web-versions of the approved SIPs, TIPs, and FIPs are for reference.  While we make every effort to maintain the accuracy of the files accessible here, inconsistencies may occur.  Please contact us using the link below if you find any errors in these files.

Contact Us to ask a question, provide feedback, or report a problem.
Last updated on January 27, 2022
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