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Backflow prevention certification


 New license, certification and registration fees effective July 1, 2015 (PDF).

image Minnesota backflow agreement 2013 (PDF)

Individuals performing or offering to perform the installation, maintenance, testing, repair, replacement or rebuilding of reduced pressure zone backflow prevention assemblies must be certified by DLI as either a backflow prevention rebuilder (BF) or backflow prevention tester (BT). Anyone applying for a new BF or BT certification or renewing a BF or BT certification must provide proof of current ASSE certification. For a list of approved ASSE certification schools please visit http://www.asse-plumbing.org/schools.asp

  • A backflow prevention rebuilder certification allows the holder, who must also hold a current plumbing license, to perform the installation, maintenance, testing, repair, replacement or rebuilding of reduced pressure zone backflow prevention assemblies. Current ASSE 5130 and 5110 certification is required for this registration.

  • A backflow prevention tester certification limits the holder to testing reduced pressure zone backflow prevention assemblies. A plumber license is not required to obtain a tester certification, though current ASSE 5110 certification is required.

Individual backflow certification renewal schedule

Individuals who have a master plumber license that expired Dec. 31, 2014, will have to submit proof of ASSE 5130 and 5110 certification to renew their backflow prevention rebuilder or will require proof of ASSE 5110 certification to renew their backflow prevention tester.

Individuals who have a journeyman plumber license that expires Dec. 31, 2015, will have to submit proof of ASSE 5130 and 5110 certification to renew their backflow prevention rebuilder or will require proof of ASSE 5110 certification to renew their backflow prevention tester.

Anyone who is not a licensed plumber but holds a backflow prevention tester certification will have to submit proof of ASSE 5110 certification when they submit their BT certification renewal.

Apply or renew online

Backflow prevention certification application and forms

image New or renewal of backflow prevention rebuilder (BF)/backflow prevention tester (BT) registration (PDF)

image Click here to check the status of backflow prevention certifications


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