General Application Instructions

Mail applications with fees to:
Department of Ecology
Cashiering Unit
PO Box 47611
Olympia, WA 98504-7611

Fees

Application Fee - $50 for wastewater exam; upgrade from Operator in Training to Group I; reciprocity; and temporary certification.

Exam Fee - $26 for Association of Boards of Certification exam.

Testing Service Fee - $59 OIT, Group I, and Group II exams; $76 Group III and Group IV exams.

 

If you have any questions or need further assistance, please contact Poppy Carre at 360-407-6449 or toll free in Washington at 1-800-633-6193 or email poca461@ecy.wa.gov, or contact Melinda Wilson at 360-407-6889 or email mewi461@ecy.wa.gov.

If you have special accommodation needs, please call the Certification Coordinator 360-407-6449 (Voice) or (TTY) at 711 or 1-800-833-6388.
 

Application for Domestic Wastewater Treatment Plant Operator Certification

Beginning June 1, 2009, we converted to computerized ABC examinations. There will no longer be application deadlines or set exam dates. We have changed application procedures and revised the application form. Below is a pdf version of the application.

Download or print wastewater application

Affidavit of Work Experience - Single form, if needed, for additional employers

 

For more information please contact Ecology's Wastewater Operator Certification Program Coordinator at 360-407-6449 or toll free within the state at 1-800-633-6193, or email poca461@ecy.wa.gov.

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