Minor Source Permits
District issues "minor source" permits to various stationary sources of air pollution within
the District under local, state and federal regulations. These minor sources (such as gas stations,
crematories, boilers, diesel engines, etc.) are required to have a District permit and follow the
requirements listed in their permit.
For questions about whether your device or process requires an Air Quality Permit or to request an
please contact District staff at (707) 443-3093 or