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Commercial Animal Waste Technician Licensing
Farm machinery

Minnesota law requires Commercial Animal Waste Technicians (CAWT) to obtain a state license. If you apply or manage manure on a for-hire basis, you must be licensed. There are two categories, solid and liquid. An open-book exam is required as part of the license application.

Approved Commercial Animal Waste Technician Recertification Workshops

Fact Sheets

License Application (PDF: 88 KB / 1 page) 

Licensed Commercial Animal Waste Technicians 

Testing Locations

Local Ordinances Regulating Livestock in Minnesota

External Resources