Treatment Plant Operator salary at Chelan County Public Utility District

The average treatment plant operator salary at Chelan County Public Utility District was $124,400 , which is 31 percent higher than the average salary for this job in Washington, and 58 percent higher than the national average for this job . Treatment Plant Operator salaries at Chelan County Public Utility District typically range from $119,100 to $129,700 (25th to 75th percentile). The highest reported treatment plant operator salary was $129,700. There are 2 employees at Chelan County Public Utility District with the job title treatment plant operator.