Permits Needed for Treatment Works 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 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.

If your business plans to operate a publicly owned treatment works facility that receives primarily domestic sewage from residential and commercial customers, you will need to apply for a Municipal Wastewater Operating Permit. Larger types of these facilities may also receive and treat wastewater from industrial facilities connected to the system.

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 construct a gravity sewer extension, force main and lift station, you may need a site-specific Sewer Extension Construction Permit. You may also need this permit if you plan to construct a non-earthen flow equalization storage basin at a lift station and an inline storage.

If you or your business has received a Wastewater Construction Permit for domestic wastewater discharges and have completed the construction project, you will need to apply for a Site-Specific Domestic Wastewater Operating Permit before you may operate, use or maintain the existing point source of water pollution. 

If your business is listed in 10CSR 20-6.200 by SIC code or description, you will need to apply for a Site-Specific Industrial Stormwater Operating Permit before you may operate, use or maintain the existing point source of water pollution. A Wastewater Construction Permit is required if constructing an earthen basin.

If your business plans to discharge wastewater from a manufacturing process, you will need to apply for a Site-Specific Industrial Wastewater Operating Permit before you may operate, use or maintain the existing point source of water pollution. A Wastewater Construction Permit is required if constructing an earthen basin.

If your business plans to build a facility where solid wastes are transferred from one container to another or are processed, you are required to apply for a Solid Waste Processing Facility Construction Permit. Types of processing facilities include incinerator, compost plant, infectious waste, transfer station and material recovery, with or without composting.

If your business plans to operate a facility where solid wastes are transferred from one container to another or are processed, you are required to apply for a Solid Waste Processing Facility Operating Permit. Types of processing facilities include incinerator, compost plant, infectious waste, transfer station and material recovery, with or without composting.

Missouri solid waste disposal areas and solid waste processing facilities designated by rule, must be operated under the direction of a certified solid waste technician. For more information, please visit the department's Solid Waste Technician Certification webpage.

If you are a non-publicly owned treatment works that discharges less than or equal to 50,000 gallons of domestic wastewater per day into lakes or reservoirs, you must obtain a Treatment Works <50,000 Gallons in Lakes/ Reservoirs MOGD00000 master general permit.

If you are a non-publicly owned treatment works that discharges less than or equal to 50,000 gallons of domestic wastewater per day into rivers and streams, you must obtain a Treatment Works Discharging <50,000 Gallons Per Day to Rivers/ Streams MOGDS00000 master general permit.

If you would like to become a licensed wastewater treatment operator including a Concentrated Animal Feeding Operation Waste Management System 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.