An area or structure equipped with facilities for washing automobiles.

You may need some or all of the following permits for a Car Wash:

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Car Wash Permit MOG750000

If your business plans to operate a car wash that will include a wastewater treatment system with design flows of 50,000 gallons per day or less, which includes a no-discharge land application system and provides for 500 gallons per day de minimis exemption under certain conditions, you must obtain a Car Wash MO-G750000 general permit.

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Major Water Users

Missouri collects water use data to better understand and manage the state’s water inventory.  A Major Water User is any person or entity that has the capability of producing a large amount of water (100,000 gallons per day or 70 gallons per minute or more) with all their combined wells or surface intakes. This water can be from either groundwater via a well, or surface water from a stream, river, lake, pond, or spring. 

Major Water Users are required by law to report the volume of water used by March 31 of the year following the usage.

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Public Drinking Water Construction Permit

If your business plans to construct a public water system that will supply drinking water to the public, you must obtain a Public Water Systems 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.

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Public Drinking Water Permit to Dispense for Transient Noncommunity Water Systems

If your business meets the definition of a transient noncommunity public water system, you must obtain a Public Water Systems Permit to Dispense. A transient noncommunity 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.

Please refer to the Public Water Systems Permit to Dispense for additional information regarding the permit and applications. There are two forms available to use when applying for this permit.