Water Agency Plant Operator

Overview

Be part of the solution—keep water sustainable in Sonoma County.

Water Agency Plant Operators at Sonoma Water have the opportunity to operate four classifications of wastewater and recycled water treatment facilities located across Sonoma County: tertiary, extended air, biological nutrient removal, and lagoon plants. In addition, Sonoma Water operates a water treatment facility that treats over 16.5 billion gallons of water annually and distributes it to more than 600,000 customers. This experience allows operators to qualify for Grade 5 Water and Wastewater treatment certifications and, with time and certification, to be promoted to Senior Water Agency Plant Operator.

• Operate pumps, valves, chlorinators, telemetry controls, sludge presses, and other water and wastewater flow‑regulating equipment.
• Maintain reservoir levels and coordinate water storage, usage, and user allotments.
• Read, record, and maintain detailed operational records and monitor the SCADA system that controls water supply, treatment processes, and reclamation facilities.
• Perform routine laboratory analysis of water and wastewater samples using accepted analytical techniques and interpret the results.
• Compute volumes and percentages using both standard and metric systems.

• Written and verbal communication skills needed to collaborate with a diverse group of co‑workers, write reports, and present to stakeholders.
• Ability to troubleshoot electrical and mechanical plant issues.
• Understanding of biological processes and their functions.
• Working knowledge of Microsoft Office, especially Excel, and some experience with SCADA.
• Ability to remain calm and perform well under pressure, including emergency situations.
• Required California State Water Resources Control Board
  
  Certifications:
  • Wastewater Plant Operator Grade II or higher
  • Water Treatment Plant Operator Grade T2 or higher
• Desired California State Water Resources Control Board
  
  Certifications:
  • Water Distribution Operator Grade D1 or higher

• Salary advancement after 1,040 hours and annual increases based on performance.
• Career advancement to Senior Water Agency Plant Operator with an annual salary up to $153,027.
• Competitive paid time off, 12 holidays, and additional floating holidays.
• County‑paid health premium contributions.
• Post‑retirement health reimbursement arrangement.
• Fully integrated pension.
• Paid parental leave up to 8 weeks after 12 months of employment.
• Additional benefits: dental, vision, disability, life insurance, employee assistance, professional development, and more.

The County of Sonoma values diversity and is committed to creating a workplace environment that provides individuals with a sense of belonging. We are proud to be an Equal Opportunity Employer where all aspects of employment are based on merit, competence, performance, and business need.