Washington Certification Services

Hire a BAT List Authorization Form

The Washington State Department of Health, Office of Drinking Water has authorized Green River College to maintain a public list of Backflow Assembly Testers.

I authorize Washington Certification Services at Green River College to publish my name and contact phone number on a public listing of Backflow Assembly Testers certified in Washington.

Add my name to the Hire a BAT List.
Change my existing information on the Hire a BAT List.


Required Information

* Required

Verification of Address on File at Washington Certification Services
Please note that your address will NOT be published on the Hire a BAT List. Verification of home mailing address is for identification information only:


This listing is restricted to ONE county selection. Please select your choice from the list below.