Hazardous waste generators are businesses or individuals that produce some form of hazardous waste as a result of their processes. Businesses or individuals that generate certain amounts of hazardous waste are required to register with the State of Missouri. To find out if a site is registered, you can use the public search in the department's Missouri RCRA (MoRCRA) Data System.

Which Generators Need to Register

In order for a business or individual to know if it needs to register, it must determine its hazardous waste generator status using the table below. The highest level the business or individual falls under in any single column determines the appropriate generator status. Businesses or individuals that fall into the large quantity generator or small quantity generator status are required to register. Those that fall into the very small quantity generator status are not required to register, but may if they choose. If an operation is conducted at more than one location within a city, county or state, each individual site producing hazardous waste will require a separate registration.

For more information about generator status, review the department's Hazardous Waste Generator Status Guidance - PUB2224 fact sheet.

Hazardous Waste Generator Status
GeneratorAmount of Acute Hazardous Waste Generated in a Calendar MonthAmount of Acute Hazardous Waste Accumulated at Any One TimeAmount of Hazardous Waste Generated in a Calendar MonthAmount of Hazardous Waste Accumulated at Any One TimeAmount of Residues from a Cleanup of Acute Hazardous Waste Generated in a Calendar Month
Large Quantity Generator> 1 kg> 1 kg≥ 1,000 kg> 6,000 kg> 100 kg
Small Quantity Generator≤ 1 kg≤ 1 kg> 100 kg and < 1,000 kg≤ 6,000 kg≤ 100 kg
Very Small Quantity Generator≤ 1 kg≤ 1 kg≤ 100 kg≤ 1,000 kg≤ 100 kg

How to Register

In order to register, the business or individual may either complete a paper Notification of Regulated Waste Activity MO 780-1164, with an original ink signature, and submit the form and appropriate registration fee to the department. The form can also be completed online through MoRCRA. This part of the MoRCRA system is accessed through the department's Missouri Gateway for Environmental Management (MoGEM) online portal. You must have a MoGEM account in order to access this part of MoRCRA. 

The department uses this information to issue state and federal generator identification numbers: EPA Generator Identification Number and Missouri Generator Identification Number. For more information about hazardous waste generator registration, contact the Waste Management Program. If you need assistance, or are experiencing issues with submitting your notification form online, call 573-751-3204 or email hazwastereport@dnr.mo.gov.

*Generators who have an active generator identification number are required to pay certain fees each year, based on the amount of waste generated and how the waste was disposed. These fees will be assessed based on data received from EPA's E-manifest system. For information about reporting requirements, visit Hazardous Waste Reporting. For information about the registration fee and other waste fees, visit Hazardous Waste Fees.

Inactivating Your Registration

If a business or individual is no longer generating hazardous waste, it may inactivate its registration. To inactivate registration, the business or individual files an updated notification form, indicating that the site is no longer a hazardous waste generator. 

Reactivating Your Registration

If a business or individual has already been issued generator identification numbers at some point, but the registration has been inactive, an updated registration form and registration fee are required to reactivate the registration.