Select the box below for a list of all individuals currently holding a valid Washington State Backflow Assembly Tester (BAT) certification.
Search All BATs Certified in Washington
Select a box below to view individual BAT certification status reports containing the following information.
- Certification Date - Date BAT cerification was issued
- Current Professional Growth Reporting Period - You must pass the BAT professional growth examination within these dates.
- Professional Growth Examination Passed Date - If you have met the requirement for the current period, the report will show your completion date. If you have not met the requirement this field will be blank.