Wastewater Treatment Plant Operator

Lakehaven Water and Sewer District | FEDERAL WAY, WA

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Posted Date 9/23/2021

As a Lakehaven Wastewater Operations Treatment Plant Operator, you will be part of a team that has been recognized by the National Association of Clean Water Agencies for its environmental stewardship and has been a long-standing member of the American Water Works Association.  Lakehaven has a service area population of over 135,000 people living across a 35 square mile area in south King County, makings us the second largest special-purpose water and sewer district in the state.  Our water system includes 450 miles of water mains, 25 active wells and 12 storage tanks, which allows us to meet a current annual average water demand of 10 million gallons per day (MGD) from the community.  Lakehaven also has two wastewater treatment plants, 27 sewer lift stations, and 350 miles of sewer mains capable of collecting and treating up to 15.6 MGD.  Our employees work hard to produce and treat high quality drinking water and to ensure treated wastewater adheres to EPA standards which safeguards the local ecological system of Puget Sound.  If you want to work for an award-winning, innovative utility with competitive pay rates, career advancement and training opportunities, this is the right opportunity for you.


Employees in the Wastewater Operations Treatment Plant perform and/or assist with minor and major maintenance, repairs, and replacement of equipment and construction of supporting structures used in the wastewater treatment plants operated by the District.  Assigned duties include but are not limited to: data collection, water quality monitoring/treatment and sampling, process control work, grounds/building maintenance, piping/valve/pump repairs and other preventative and corrective maintenance duties within the facilities.  Position placement and pay is dependent upon experience and qualifications.


The successful candidate should have some of the following:


  • High School diploma or equivalent.
  • Prior wastewater internship experience is desired.
  • Wastewater Operator Certification Course – Must submit proof of enrollment prior to interview.
  • Any certifications or licenses applicable to the utility; i.e. CPR/First Aid Training, Certified Flagging, Confined Space Entry, etc. must be obtained within on (1) year of initial employment.
  • A valid Washington State Competency certificate “Group I – OIT” as a Wastewater Treatment Plant Operator must be obtained within one (1) year from initial employment.




  • State of Washington Department of Retirement Systems PERS Plans
  • Central Pension Fund Retirement Plan
  • State of Washington Health Care Authority’s Medical, Dental, Vision benefit programs
  • HRA VEBA Account
  • Paid Time Off
  • Holiday Pay


Does this sound like the job for you?  Visit our website at www.lakehaven.org for the position descriptions and application.  (Note: please identify which Wastewater Operations Treatment Plant Operator position you are applying for on your application – Operator I, Operator II, Operator III, Senior Operator.)


Lakehaven Water and Sewer District is an Equal Opportunity Employer.  Individuals interested in applying for this position must submit a completed Cover Letter, Resume, and District Application, no later than 4PM 10/7/21 (this is the first review date) to dlemaster@lakehaven.org  or mail to: Lakehaven Water and Sewer District, c/o HR, 31627 1st Avenue South, Federal Way, WA  98003.  Incomplete application materials will not be accepted. 


If you need an accommodation in the recruitment process or an alternate format of this announcement, please enquire directly with the Human Resources Manager. 

Job Category
Local Government
Career Level
Entry Level

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