Wastewater Treatment Operator salary at City of Frederick

The average wastewater treatment operator salary at City of Frederick was $55,528 . Wastewater Treatment Operator salaries at City of Frederick typically range from $51,568 to $61,806 (25th to 75th percentile). The highest reported wastewater treatment operator salary was $71,627. There are 11 employees at City of Frederick with the job title wastewater treatment operator.