Air Permit Reporting

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The Clean Air Act (CAA) is a comprehensive federal law that regulates air emissions from stationary and mobile sources. The Act calls for states and EPA to solve multiple air pollution problems through programs based on the latest science and technology information. There are generally three (3) different categories of air pollution sources, such as the following:

  • Title V Source
  • Synthetic Minor or Federally Enforceable (Limiting) Source
  • Minor Source (varies from state to state)

Most of these source categories require an Air Construction or Operating Permit, and these permits typically require an annual and/or semi-annual Air Reports. 

Who is required to report? 

Depending on regulations that the site is subject to, all sources can potentially be required to report. The following list shows the typical reports that need to be submitted by each source:

  • Title V Source:
    • Annual Title V Certification of Compliance
    • Title V Operating Permit Semi-Annual Report (*Note – some Title V sites are required to report quarterly)
    • Title V Fee Report (click here for more information)
    • Air Emission Reporting Requirement (AERR) (*Note – completed every year or every 3 years depending on the site emissions)
  • Synthetic Minor or Federally Enforceable (Limiting) Source:
    • Annual Operating Permit Report (*Note – some sites are required to report semi-annually) 
  • Minor Source:
    • Reporting for a Minor Source is determined by the facility’s applicable regulations (e.g., NESHAP/NSPS) and may vary from state to state.

When and where to submit Air Reports:

Air Reports are usually required to be submitted by January 31st and July 31st of each year depending on the site’s permit but can vary by state. The reports are required to be sent to the local permitting agency while some reports may also need to be submitted to EPA (i.e., Title V Annual and Semi-Annual Reports).

In some cases, based on the site’s applicable regulations (e.g., NESHAP/NSPS), a submittal through EPA’s Compliance and Emissions Data Reporting Interface (CEDRI) may be required which is accessed through EPA’s Central Data Exchange (CDX).

For questions about submission requirements, or if you need assistance with reporting, contact Environmental Compliance & Safety at: