Michigan Backflow Institute

ASSE 5110 Backflow Tester: Recertification
2026-05-13 08:00 - 12:00, 2026-04-15 08:00 - 13:00, 2026-03-25 08:00 - 14:00, 2026-02-04 08:00 - 14:00, 2025-11-19 08:00 - 14:00, 2025-10-01 08:00 - 14:00 (America/New_York) | Michigan Backflow Institute, 3549 Airport Rd - Suite 102, Waterford, MI, 48329, United States
*Please note: Recent Clarification to Michigan Law, states that in order to test and submit reports in the state of Michigan, you must be a registered apprentice -working under the direct supervision of a Master/Journey Plumber, a Journeyman Plumber or a Master Plumber.

* Recertification is for Licensed Plumbers, currently 5110 Certified, and wish to renew.

* If your ASSE 5110 certification has been expired for more than 6 months, you must attend the 40 hour certification course to continue testing.

*Once registered, please watch your email for important information regarding your Recertification Day.

ASSE 5110 Backflow Tester Certification
2026-04-20 08:00 - 2026-04-24 17:00, 2026-02-23 08:00 - 2026-02-27 17:00, 2025-11-03 08:00 - 2025-11-07 17:00, 2025-09-22 08:00 - 2025-09-26 17:00
ASSE 5110 Tester Certification Course – This 5 day ASSE Certification course is designed to recognize and identify proper Cross-Connection risks, as well as testing and certifying ASSE Approved Backflow Assemblies, per ASSE procedures.

Due to clarifications in Michigan laws, only a registered Michigan plumbing apprentice (With 5 years experience in the plumbing/pipe-fitting field and working under the supervision of a master/journey plumber), a Journeyman Plumber, or Master Plumber is allowed to submit test reports in the state of Michigan.

*Once registered, please watch your email for important information regarding your certification course!

December 2025
2025-12-01 08:00 - 2025-12-31 17:00
No ASSE 5110 Certification or Recertification courses scheduled in December.

ASSE 5110 Backflow Tester: Recertification
2025-07-16 08:00 - 14:00, 2025-06-11 08:00 - 13:00, 2025-04-30 08:00 - 13:00, 2025-04-09 08:00 - 13:00
*Please note: Recent Clarification to Michigan Law, states that in order to test and submit reports in the state of Michigan, you must be a registered apprentice -working under the direct supervision of a Master/Journey Plumber, a Journeyman Plumber or a Master Plumber.

* Recertification is for Licensed Plumbers, currently 5110 Certified, and wish to renew.

* If your ASSE 5110 certification has been expired for more than 6 months, you must attend the 40 hour certification course to continue testing.

May 12-16 2025 ASSE 5110 Tester Certification
2025-05-12 08:00 - 2025-05-16 17:00
ASSE 5110 Tester Certification Course – This 5 day ASSE Certification course is designed to recognize and identify proper Cross-Connection risks, as well as testing and certifying ASSE Approved Backflow Assemblies, per ASSE procedures.

Due to clarifications in Michigan laws, only a registered Michigan plumbing apprentice (With 5 years experience in the plumbing/pipe-fitting field and working under the supervision of a master/journey plumber), a Journeyman Plumber, or Master Plumber is allowed to submit test reports in the state of Michigan.

March 24-28 2025 ASSE 5110 Tester Certification
2025-03-24 08:00 - 2025-03-28 16:30
ASSE 5110 Tester Certification Course – This 5 day ASSE Certification course is designed to recognize and identify proper Cross-Connection risks, as well as testing and certifying ASSE Approved Backflow Assemblies, per ASSE procedures. Due to clarifications in Michigan laws, only a registered Michigan plumbing apprentice (With 5 years experience in the plumbing/pipe-fitting field and working under the supervision of a master/journey plumber), a Journeyman Plumber, or Master Plumber are allowed to submit test reports in the state of Michigan.

ASSE 5110 Backflow Tester: Recertification
2025-02-12 08:00 - 13:00
Please note: Recent Clarification to Michigan Law, states that in order to test and submit reports in the state of Michigan, you must be a registered apprentice -working under the direct supervision of a Master/Journey Plumber, a Journeyman Plumber or a Master Plumber.

* Recertification is for those already 5110 Certified and wish to renew.

* If your ASSE 5110 certification has been expired for more than 6 months, you must attend the 40 hour certification course to continue testing.

February 3-7 2025 ASSE 5110 Tester Certification
2025-02-03 08:00 - 2025-02-07 16:30

No Certification/Recertification
2024-12-01 08:00 - 2024-12-31 17:00
No ASSE 5110 Certification/Recertification in December 2024

Please check back in January 2025 for the new class schedule.

ASSE 5110 Backflow Tester: Recertification
2024-11-08 08:00 - 14:00, 2024-09-27 08:00 - 14:00
Please note: Recent Clarification to Michigan Law, states that in order to test and submit reports in the state of Michigan, you must be a registered apprentice working under the direct supervision of a Master Plumber, a Journeyman Plumber or a Master Plumber.

*If your ASSE 5110 certification has been expired for more than 6 months, you must attend the 40 hour certification course to continue testing.

November 4-8 2024 ASSE 5110 Tester Certification
2024-11-04 08:00 - 2024-11-08 17:00
5 Day Backflow Tester Certification Course

Tuesday is Election Day, please plan accordingly.

ASSE 5110 Tester Certification Course – This 5 day ASSE Certification course is designed to recognize and identify proper Cross-Connection risks, as well as testing and certifying ASSE Approved Backflow Assemblies, per ASSE procedures. Due to clarifications in Michigan laws, only a registered Michigan plumbing apprentice (Working under the supervision of a master plumber), a Journeyman Plumber, or Master Plumber; are allowed to submit test reports in the state of Michigan.

ASSE 5110 Backflow Tester: Recertification
2024-10-16 08:00 - 14:00, 2024-09-04 08:00 - 17:00
ASSE 5110 Recertification Testing. Open to those who currently have their ASSE 5110 Certification.

Please note: Recent Clarification to Michigan Law, states that in order to test and submit reports in the state of Michigan, you must be a registered apprentice working under the direct supervision of a Master Plumber; a Journeyman Plumber or a Master Plumber.

September 23-27 2024 ASSE 5110 Tester Certification
2024-09-23 08:00 - 2024-09-27 17:00
5 Day Backflow Tester Certification Course

ASSE 5110 Tester Certification Course – This 5 day ASSE Certification course is designed to recognize and identify proper Cross-Connection risks, as well as testing and certifying ASSE Approved Backflow Assemblies, per ASSE procedures. Due to clarifications in Michigan laws, only a registered Michigan plumbing apprentice (Working under the supervision of a master plumber), a Journeyman Plumber, or Master Plumber; are allowed to submit test reports in the state of Michigan.

ASSE 5110 Backflow Tester Recertification
2024-08-01 08:00 - 17:00
ASSE 5110 Recertification Testing. Open to those who currently have their ASSE Certification.Please note: Recent Clarification to Michigan Law, states that in order to test and submit reports in the state of Michigan, you must be a registered apprentice working under the direct supervision of a Master Plumber; a Journeyman Plumber or a Master Plumber.

June 28, 2024 Recertification Testing
2024-06-28 08:00 - 17:00

June 24 - June 28 5110 5 Day Tester Certification Class
2024-06-24 08:00 - 2024-06-28 17:00
ASSE 5110 Tester Certification Course – This 5 day ASSE Certification course is designed to recognize and identify proper Cross-Connection risks, as well as testing and certifying ASSE Approved Backflow Assemblies, per ASSE procedures. Due to clarifications in Michigan laws, only a registered Michigan plumbing apprentice (Working under the supervision of a master plumber), a Journeyman Plumber, or Master Plumber; are allowed to submit test reports in the state of Michigan.

MI ASSE 5110 Backflow Tester Recertification
2024-06-05 08:00 - 17:00
ASSE 5110 Recertification Testing. Open to those who currently have their ASSE Certification.

Please note: Recent Clarification to Michigan Law, states that in order to test and submit reports in the state of Michigan, you must be a registered apprentice working under the direct supervision of a Master Plumber; a Journeyman Plumber or a Master Plumber.
