Technicians licensed in the Commercial Animal Waste Technician (CAWT) license categories of Site Manager and Applicator must remain current on their certification (training).


A person wishing to become licensed or recertified in the Applicator Category can only do so through Online Training. Applicators must complete 2 hours of online training before they can apply for OR renew a license.

Site Manager

A person licensed in the Site Manager Category must pass the certification exam (80% or better) for an initial license to be awarded (see recertification requirements below). Each test contains multiple-choice questions based on the study manual. The test is an open book monitored exam. Site Managers are also licensed to apply manure.

Testing locations for the CAWT Site Manager category are available in:

A Commercial Animal Waste Technician Site Manager Study Manual (PDF) is available.


A person licensed in the Site Manager Category must renew their license annually, and must maintain current certification. Certifications are renewed every two years. To be eligible to renew your license you must meet recertification requirements by attending a recertification workshop once every other year or re-test.

The MDA has approved the following University of Extension's CAWT workshops, as they meet CAWT educational standards. The workshops are also open to the general public.

University of Minnesota Extension CAWT Workshop

NEW: deadline to attend recertification training has been extended to December 15, 2020. Any applicator or site manager attending recertification during this extended time period cannot renew their license online until after January 2, 2021.  Please call MDA office (651-201-6615) after January 2, 2021 to receive your PIN for online renewal.