Water Treatment Operator salary at City of Frederick

The average water treatment operator salary at City of Frederick was $62,060 , which is 1 percent higher than the average salary for this job in Maryland, but 15 percent lower than the national average for this job . Water Treatment Operator salaries at City of Frederick typically range from $57,561 to $67,648 (25th to 75th percentile). The highest reported water treatment operator salary was $72,980. There are 19 employees at City of Frederick with the job title water treatment operator.