Useful Links

For the information about the Backflow Assembly Tester Certification Exam or Backflow Assembly Tester Professional Growth Exam contact the Washington Certification Services.

Washington Certification Services

Washington Certification Services
Green River College - Auburn Center
1221 D Street NE
Auburn, WA  98002

Phone: 253-288-3357

Rachel Neville
Director, Washington Certification Services

  • BAT Certification Program
  • BAT Professional Growth Requirement

Deborah Diggins
Waterworks Professional Growth Program Manager

  • Waterworks Operator Professional Growth Requirement
  • Waterworks Certificate Renewal
  • Course Evaluation and Accreditation
  • Distance Education

Pamela Basquez
Certification Coordinator

  • BAT Examination Applications & Enrollment
  • BAT Examination Payment & Confirmation
  • BAT Certificate Renewal

Washington State Department of Health

Washington Waterworks Operator Certification Program
Washington State Department of Health
Office of Drinking Water
P. O. Box 47822
Olympia, WA  98504-7822
Toll-free: 800-525-2536

Deni Gray
Program Manager
Phone: 360-236-3140

Washington State Department of Ecology

Washington Wastewater Operator Certification Program
Department of Ecology
Wastewater Operator Certification
P. O. Box 47696
Olympia, WA  98504-7696

Poppy Carre
Certification Program Coordinator
Phone: 360-407-6449

Backflow Testing Videos & Procedures

WETRC is located on the Main Campus of Green River College.

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