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Posted on: September 29, 2021

City of Sequim Employee Receives Wastewater Treatment Plan Operator IV Certification

John Christenson

City of Sequim Wastewater Operator III John Christenson has received the Wastewater Treatment Plant Operator IV Certification from the Washington State Department of Ecology.  This is the highest level of wastewater certification in Washington State.

Achieving the certification requires four years of domestic wastewater treatment plant operating experience with at least two years at a Class III or higher plant and 180 credits or credit equivalent units (CEU) relevant to wastewater.

Christenson has served as a Wastewater Operator for eight years, a Water Distribution Manager for eleven years, and a Water Treatment Plant Operator for ten years.  He has worked for the City of Sequim since November 2018.

Please contact Utilities Manager Pete Tjemsland at 683-4908 or ptjemsland@sequimwa.gov with questions.


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