Treatment Plant Operator salary at Trumbull County

The average treatment plant operator salary at Trumbull County was $50,740 , which is 2 percent higher than the average salary for this job in Ohio, but 36 percent lower than the national average for this job . Treatment Plant Operator salaries at Trumbull County typically range from $42,977 to $59,214 (25th to 75th percentile). The highest reported treatment plant operator salary was $59,214. There are 5 employees at Trumbull County with the job title treatment plant operator.