Click the category on the left and view the list on the right.
All WETRC Classes
Water and Wastewater Training
Backflow Assembly Tester Training
CREDIT Program and ONLINE Classes
Courses listed below approved by WA Department of Ecology.
Select a course to view:
Algebra Basics: As Applied to Water and Wastewater Formulas
Asbestos Cement Pipe Work Practice Procedures
Backflow Assembly Tester Certification Course
Backflow Assembly Tester Refresher Course
Competent Person and Cave-In Protection
Cross Connection Control at Wastewater Treatment Plants
Sample Collection Techniques and Sampling Plans
Wastewater Treatment I and II Certification Exam Preparation