Companies doing business in Missouri may be regulated by the department under one or several Missouri laws and regulations. Permits are a necessary part of the environmental business because it is our first and best opportunity at assuring environmental protection and compliance. Permits ensure businesses and individuals understand and follow all applicable federal and state environmental laws and regulations to protect our air, land and water. 

If you are required to obtain an environmental permit, certification, registration or license for your business, school, community or activity, the department can help you find what you need! The department work will work with you to make sure you operate safely and efficiently and to ensure the environment and citizens of Missouri are protected. The following resources are available to help you find information on activities requiring a permit, fees, forms and applications, agency contacts as well as laws, rules and regulations.

Air-related Permits
Constructing, modifying or operating an air pollution source
Land and Geology-related Permits and Licenses
Dam and reservoir safety, mining, oil and gas drilling, well drilling
Recreation and Historic Preservation-related Permits and Registrations
Historic preservation review, geocaching, metal detecting, rock climbing, special events
Waste-related Permits, Licenses and Registrations
Storing, transporting, processing, treating or disposing solid or hazardous waste
Water-related Permits and Certifications
Public drinking water, stormwater, wastewater, CAFO, 401 water quality certification
Laboratory Certification
Chemical and microbiological laboratory certification
Certifications and Trainings
Available training and professional certification/ license requirements
Document Search
Search thousands of documents in one location for easy access
Laws, Rules and Regulations
State and federal rules governing the protection of our natural resources