Washington Backflow Tester / Cross Connection Courses

40-Hour Certification Course Schedule ($750)

Open Enrollment courses are not available at this time. We do offer private courses where we can come to you and train your students at your facility, minimum of 10 students per private course. More Info Here

NOTE - The courses do not include the state exam. Check out more info on how to register and prepare for USC Based exams on our USC Test Prep page - with links to their schedules and free resources to help you study.

Approvals and Registrations

For Washington State, we offer a prep course that will prepare you to take the State's Exam, our course is not a certification by itself.

Our 40-hour course is based on the USC (University of Southern California) textbook and course materials. Our 40-hour certificate program is acceptable as the pre-requisite training for the backflow tester exam.

Check out more info on how to register and prepare for USC based exams on our USC Test Prep page - with links to their schedules and free resources to help you study.

How Do I Become a Certified Backflow Tester in Washington?

Backflow Prevention Assembly Testing in Washington is regulated by the Department of Health, where they have the program administered by Washington Certification Services. You have to take a written and practical exam, based on the USC 10th Edition manual and testing procedures.

https://instruction.greenriver.edu/wacertservices/bat/cert-program/default.shtm

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The APBA and Washington State exams use the USC testing procedures, although some others are approved in certain areas. The ASSE 5000 Single Hose Procedures are a little more efficient and require less equipment (tees, hoses, etc.), but if taking the Washington State or ABPA exam, the proctor will only accept USC 10th Edition.

On our YouTube Channel, we created a series of videos where we test the four types of preventers using both types of procedures if you wanted to check out the differences:

Reduced Pressure Principle (RPZ) - USC 2-Valve Procedures

Reduced Pressure Principle (RPZ) - ASSE 5000 Single Hose Procedures

Double Check Valve Assembly (DCV) - USC Procedures

Double Check Valve Assembly (DCV) - ASSE 5000 Single Hose Procedures

Pressure Vacuum Breaker (PVB) - USC Procedures

Pressure Vacuum Breaker (PVB) - ASSE 5000 Single Hose Procedures

Spill Resistant Vacuum Breaker (SVB) - USC Procedures

Spill Resistant Vacuum Breaker (SVB) - ASSE 5000 Single Hose Procedures

Download These Procedures in PDF