Permits & Recordkeeping Forms

  • Application Forms

    Application Forms

    Visit this page for access to general Authority to Construct (ATC), supplemental application forms, permit, portable registration, Permit-Exempt Equipment Registration (PEER), Emission Reduction Credits (ERC), Title V, and other application forms. 

  • Air Dispersion Modeling

    Air Dispersion Modeling

    Air dispersion modeling uses source parameters, meteorological data, terrain, and other modeling parameters to estimate the dispersion of a pollutant. Visit the Air Dispersion Modeling page for more information.

  • Air Toxics

    Air Toxics

    The District implements local, state and federal air toxics regulations, including the state's AB 2588 Air Toxics “Hot Spots” Program. Resources for both the community and regulated businesses can be found on the Air Toxics page.

  • Ag Permits/Conservation Management Practices(CMP)

    Ag Permits/Conservation Management Practices (CMP)

    Certain agricultural activities require District permits or CMP Plans. For additional information please visit the Ag Permits/CMP page.

  • Best Available Control Technology (BACT)

    Best Available Control Technology (BACT)

    For new and modified emission units, BACT requires potential emissions to be controlled and minimized to the extent feasible for the protection of public health.

  • Emission Factor

    Emission Factors

    The District has compiled emission factors for various source types to assist with risk assessment and emissions inventory projects.

  • Emissions Inventory

    Emissions Inventory

    The District maintains criteria and air toxics pollutant emission inventories from stationary and area sources across the Valley.

  • Emission Reduction Credits (ERC)

    Emission Reduction Credits (ERC)

    ERCs may be banked by reducing actual emissions beyond regulatory requirements to then be used to offset future potential increases. 

  • eTRIP

    eTRIP

    Large worksites subject to Rule 9410 (Employer Based Trip Reduction) are required to develop plans to reduce employee vehicle trips.

  • General Permitting Info

    General Permitting Info

    Access essential District policies, compliance assistance advisories, Certified Air Permitting Professionals (CAPP) program resources, and other general permitting related resources. 

  • Oil and Gas Registration

    Oil and Gas Registration

    Resources for oil and gas operations to assist compliance with the state's methane regulations. 

  • Permit-Exempt Equipment Registration (PEER)

    Permit-Exempt Equipment Registration (PEER)

    Streamlined program for permit-exempt equipment to demonstrate compliance with applicable rules and requirements. 

  • Portable Equipment

    Portable Equipment

    The District implements a portable equipment registration program that allows operators within the Valley to register certain portable equipment. For eligibility criteria, applications and additional information visit the Portable Equipment webpage.

  • Public Notification

    Public Notification

    Stay updated with the latest proposed and final permitting actions.  Subscribe to receive notifications regarding these actions.

  • Small Business Assistance

    Small Business Assistance (SBA)

    District SBA staff provides permitting-related assistance to businesses and are available in each of the District’s regional offices, by phone, and email.  For contact information please utilize the Learn More link below.

  • Title V Operating Permits

    Title V Operating Permits

    Title V is a Federally-mandated operating permit program for major sources of air pollution, and is administered by the District.