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Backflow Prevention Certification License

The license information below is specific to the state of Minnesota.

This license applies to the following occupations:

Heating, Air Conditioning, and Refrigeration Mechanics and Installers
Plumbers, Pipefitters, and Steamfitters


Individuals performing the installation maintenance testing repair replacement or rebuilding of reduced pressure zone backflow prevention assemblies must be certified as either a backflow prevention rebuilder or backflow prevention tester BF BT

Online Application.

Licensing Authority

Minnesota Department of Labor and Industry
443 Lafayette Road North
St. Paul, MN 55155

Phone: (651) 284-5005
Email: dli.communications@state.mn.us

Data is collected by the Department of Employment and Economic Development.