Treatment Plant Operator salary at City of Middletown

The average treatment plant operator salary at City of Middletown was $42,932 , which is 14 percent lower than the average salary for this job in Ohio, and 63 percent lower than the national average for this job . Treatment Plant Operator salaries at City of Middletown typically range from $35,983 to $49,880 (25th to 75th percentile). The highest reported treatment plant operator salary was $49,880. There are 2 employees at City of Middletown with the job title treatment plant operator.