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 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.
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.
Certain agricultural activities require District permits or CMP Plans. For additional information please visit the Ag Permits/CMP page.
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.
The District has compiled emission factors for various source types to assist with risk assessment and emissions inventory projects.
The District maintains criteria and air toxics pollutant emission inventories from stationary and area sources across the Valley.
ERCs may be banked by reducing actual emissions beyond regulatory requirements to then be used to offset future potential increases.
Large worksites subject to Rule 9410 (Employer Based Trip Reduction) are required to develop plans to reduce employee vehicle trips.
Access essential District policies, compliance assistance advisories, Certified Air Permitting Professionals (CAPP) program resources, and other general permitting related resources.
Resources for oil and gas operations to assist compliance with the state's methane regulations.
Streamlined program for permit-exempt equipment to demonstrate compliance with applicable rules and requirements.
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.
Stay updated with the latest proposed and final permitting actions. Subscribe to receive notifications regarding these actions.
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 is a Federally-mandated operating permit program for major sources of air pollution, and is administered by the District.