Permits Needed for Missouri Department of Transportation MoDOT Businesses

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 is under contract with a city, county or other governmental jurisdiction that has a stormwater control program for land disturbance activities and you plan to complete activities such as clearing, grubbing, excavating, grading and other activities that result in the destruction of the root zone or other land disturbance that will cause pollution to waters of the state, you must obtain an Area-Wide Land Disturbance General Stormwater Permit MOR100000 to address stormwater discharges from the property.

If your business plans to disturb one or more acres of land, you are required to obtain a Construction or Land Disturbance Master General Stormwater Permits MORA00000 to address stormwater discharges from property. In addition, construction activities that disturb less than one acres when part of a larger common plan of development or sale that will disturb a cumulative total of one or more acres over the life of the project also require this permit.

If you 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 plans to transport hazardous waste including waste oil, explosives, gases, flammable and combustible liquids, flammable solids, oxidizers and organic peroxides, poisons, radioactive materials, corrosives or infectious waste, you must obtain a Hazardous/ Infectious Waste Transporter License.

If your business is a no-discharge, private or domestic wastewater treatment facility with design flows of less than 50,000 gallons per day and land apply the wastewater, design flows of less than 50,000 gallons per day and plan to land apply the wastewater, you must obtain a Land Application of Domestic Wastewater MOG823000 master general permit.

Open burning is the burning of any materials in which air contaminants are emitted directly into the air without first passing through a stack or chimney. The department's fact sheet summarizes allowable and prohibited open burning under Missouri regulations. It does not include open burning restrictions that city or county governments may impose in addition to Missouri’s state regulations. Prior to conducting any open burning, businesses and citizens should contact the city or county of jurisdiction for any local restrictions.

• Facts on Open Burning Under Missouri Regulations - PUB2047

If your business sprays biological and chemical pesticides that leave a residue in waters of the state, you must obtain a Pesticide Applications MOG870000 master general permit. The permit requires applicators to implement site-specific control practices and other pest management strategies that are designed to minimize discharges of pesticides/ herbicides to waters of the state.

If your business discharges wastewater or stormwater associated with petroleum impacted water at any industrial or commercial facility, you must obtain a Petroleum Impacted Water Remediation MOG940000 master general permit.

If your business plans to discharge from a regulated Phase II Municipal Separate Storm Sewer Systems, you must obtain a Phase II Municipal Separate Storm Sewer Systems Comprehensive General Stormwater Permit MOR04C000 to address stormwater discharges from the property. This system collects stormwater runoff from roads with drainage systems, municipal streets, catch basins, curbs, gutters, ditches, man-made channels, storm drains from cities, townships, counties, military bases, hospitals, prison complexes, highway departments, universities and more. Learn more about Municipal Separate Storm Sewer Systems (MS4).

If your business plans to discharge from a regulated Phase II Municipal Separate Storm Sewer Systems, you must obtain a Phase II Small Municipal Separate Storm Sewer Systems MORo40000 general permit to address stormwater discharges from the property. This system collects stormwater runoff from roads with drainage systems, municipal streets, catch basins, curbs, gutters, ditches, man-made channels, storm drains from cities, townships, counties, military bases, hospitals, prison complexes, highway departments, universities and more.

If your business plans to construct a public water system that will supply drinking water to the public, you must obtain a Public Drinking Water Construction Permit. You must obtain this permit if you also plan to complete the following construction projects to the water system: waterline extensions, waterline replacements, drilling water supply well, construction a storage tank, adding a disinfection system, treatment changes, building a pump station or other improvements or modifications. A public water system has at least 15 service connections or serves at least 25 people at least 60 days out of the year. If your business plans to connect to a permitted public water system, then you are not required to obtain this permit.

If your business plans to operate a public water system that supplies drinking water to the public, you must obtain a Public Drinking Water Permit to Dispense. A public water system has at least 15 service connections or serves at least 25 people at least 60 days out of the year. If your business plans to connect to a permitted public water system, then you are not required to obtain this permit.

If your business plans to perform any work in a waterway or wetland, you may be required to submit a Section 401 Water Quality Certification. Contact the appropriate U.S. Army Corps of Engineers district to determine if a federal permit is required. If there is no federal permit required, then you are not required to obtain a 401 Water Quality Certification from the department.

If your business includes an underground storage tank on the property used to store either petroleum or certain hazardous substances, or if you plan to have a tank installed for these reasons, you may be required to submit an Underground Storage Tank Registration with the department.