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According to Saint Louis County Ordinance 612.110, “Any person building, erecting, altering or replacing any article, machine, equipment or other contrivance, the use of which may cause the issuance of air contaminants or the use of which may eliminate or reduce or control the issuance of air contaminants shall first obtain authorization for such construction from the Director.”
In many cases, a Saint Louis County Construction and Operating Permit will be required for the installation of air pollution equipment. Equipment with greater than de minimus potential emissions must obtain a Saint Louis County Permit that will also act as a Missouri Department of Natural Resources Permit. Saint Louis County Construction and Operating Permits are in effect for the life of the equipment as permitted at its current location, or until a change in ownership.
Facilities with greater than de minimus potential emissions plant wide may also be required to apply for State Operating Permits in addition to the process specific permits mentioned above. State Operating Permits must be renewed every five years. For further guidance, please read the instructions associated with each type of permit.
< 40 tpy
< 25 tpy
< 10 tpy
< 15 tpy
< 100 tpy
< 25 tpy
< 10 tpy
* tpy - Tons Per Year
HAP - Combined HAP Emissions
IHAP - Individual HAP Emissions
De minimis source, including service station
Major (VOC, PSD, NSPS)
Effective October 1, 2011, the Missouri Department of Natural Resources will be managing all of the State Operating Permit submittals. If you have questions regarding this change please contact Mike Stansfield at (573) 751-4817.
Sources are still required to submit a copy of the permit to the St. Louis County Air Pollution Control Program.
Permit Application for Sources (other than Dry Cleaners)
PCE Dry Cleaner Permit Application
Solvent Dry Cleaner Permit Application
Vegetation Grinder Permit Application
Air Curtain Destructor (ACD) Application
Permit Application Instructions
Operating Permit Application
Annual Compliance Certification, and Exceedance Reports - Intermediate
Annual Compliance Certification, Semi-Annual Monitoring Reports, Exceedance
Reports - Part 70
Permits on Public Notice
State Operating and Construction Permits for facilities
located in Saint Louis County