If your business emits air pollutants, you may need a Permit to Operate with the District.
Examples of businesses or equipment types that usually require permits:
- Gas stations
- Automobile painting
- Concrete batch plants
- Wood working operations
- Dry cleaners using traditional solvents
- Stationary diesel engines over 50 HP
To obtain a permit, please contact the Northern Sonoma County Air Pollution Control District Office.