All MoDNR Environmental Permits, Certifications, Registrations and Licenses

Above ground storage tanks are regulated by the Missouri Department of Agriculture. For more information, please visit their Fuel Device Safety and Accuracy Program webpage.

If your business is required to obtain a Part 70 Operating Permits but accepts voluntary, practically enforcement limitation to reduce emissions to less than 100 tons per year of any regulated pollutant and is less than 10 tons per year of any single hazardous air pollutant and less than 25 tons per year of any combined hazardous air pollutant, you may require an Air Intermediate Operating Permit to address potential air emissions.

If your business plans to construct a new installation or modify an existing minor installation and the project has the potential to emit more than major emission levels of a regulated air containment or construct a new installation or modify an existing major installation and the project has the potential to emit more than the minor levels per year, you may require an Air Major Construction Permit Sections (7), (8) & (9) to address potential air emissions.

If your business plans to construct a new installation or modify an existing minor installation and the project has the potential to emit less than major source levels per year; or you plan to construct a new installation or modify an existing major installation and the project has the potential to emit less than the minor levels per year, you may require an Air Minor Construction Permit to address potential air emissions.

If your business has the potential to emit greater than 100 tons per year of any regulated pollutant, has the potential to emit greater than 100 tons per year of any single hazardous air pollutant, or greater than 25 tons per year of combined hazardous air pollutants, or is required by a New Source Performance Standard or a Maximum Achievable Control Technology, you may require an Air Part 70 Operating Permit.

If your business operates a printing operation, crematory or animal incinerator, surface coating or livestock market, you may require an Air Permit-by-Rule Construction Permit to address potential air emissions. By applying for this permit rather than a De Minimis or Minor Construction Permit, your business agrees to certain conditions of operation.

If your business plans to relocate an industrial emission source designed for and capable of being moved to other sites around the state, you may need an Air Portable Relocation Construction Permit to address potential air emissions. This equipment typically includes portable concrete, asphalt or crushing plants that have been previously permitted as a De Minimis/ Minor installation.

If your business plans to construct a temporary installation or pilot plant with the potential to emit less than 100 tons of each pollutant per year, you may require an Air Temporary Construction Permit to address potential air emissions.

In Missouri, a permit is required for anyone working on water wells, monitoring wells, pumps, heat pumps or drilling test holes. If you plan to become a permitted non-restricted well or pump installation contractor, you must first obtain an Apprentice Well and Pump Installation Contractor Permit. For more information, visit the department's Well and Pump Installation Contractor Permitting webpage.

If you plan to participate in an asbestos project, inspection, asbestos hazardous emergency response act management plan, abatement project design or asbestos air sampling in Missouri, you must receive an Asbestos Occupation Certification from the department. To learn more, visit the department's Asbestos webpage.

The department requires notification of demolitions and abatement projects involving regulated structures at least 10 working days before crews begin a project. To learn more, visit the department's Asbestos webpage.

Building Operator Certification is a nationally recognized training and certification program for operations and maintenance staff working in public, commercial and institutional buildings. The program focuses on energy efficient building operations and preventative maintenance procedures. For more information, please visit the department's Building Operator Certification webpage.

If you would like to become a licensed drinking water treatment operator or a drinking water distribution operator, visit the department's Operator Certification webpage. The department can help provide you with training, examinations, funding vouchers to obtain certification and information about employment opportunities within Missouri. 

If you would like to place a cache in a Missouri State Park, you will need to apply for a Geocaching and Letterboxing Permit and follow specific steps and guidelines provided by Missouri State Parks. For more information, please visit the Missouri State Parks' Geocaching and Letterboxing Permit webpage.

This is one of two possible permits that make up a hazardous waste permit. A Hazardous and Solid Waste Amendments Part 2 Permit contains the federal hazardous waste management regulations administered by EPA that Missouri has either not adopted or has adopted but EPA has not yet given Missouri temporary or final authorization to administer. This "Part 2" permit is issued by EPA, if warranted. EPA does not issue a Part 2 Permit if EPA has no site-specific conditions for that particular facility. Please visit the Hazardous Waste Permit.

If you or your business produce or store used or “spent” product, by-product or sludge that, when discarded, would be identified as a hazardous waste, and you want to handle it as a hazardous secondary materials, you must first notify the department. 

In the event there is a situation that presents an immediate and significant threat to human health or the environment based on hazardous waste issues, the department may issue a temporary Hazardous Waste Emergency Permit. If your business already has a hazardous waste permit, this permit would allow you to treat, store or dispose of a hazardous waste not covered by your effective permit. Non-permitted companies may also receive an emergency permit to allow them to temporarily treat, store or dispose of hazardous waste.

If you or your business produce or store some form of hazardous waste as a result of your business processes, you may be required to register as a hazardous waste generator.

If you or your business want to actively treat, store (for more than 90 days) or dispose of hazardous waste in Missouri, you are required to obtain a Hazardous Waste Permit. Certain “inactive” hazardous waste treatment, storage or disposal facilities may also be required to obtain a permit in order to investigate, monitor and clean up hazardous waste release to the environmental at their facility.

If you or your business own or operate a hazardous waste treatment facility and want to use new and experimental treatment technologies for which no regulatory standards exist, you may apply for a Research, Development and Demonstration Permit.