Washington Certification Services maintains a current schedule of Backflow Assembly Tester (BAT) certification practical examinations. BAT certification practical examinations are usually scheduled once a month in Auburn and every other month in Spokane, on the third Monday of the month. Additional examination dates and locations may be added based on demand.
View the Schedule
Once you have selected a BAT certification examination date and location, you can apply for an examination.
Directions to Exam Facilities
