Chief Treatment Plant Operator salary at City of Marlborough

The average chief treatment plant operator salary at City of Marlborough was $74,440 , which is 12 percent lower than the average salary for this job in Massachusetts, and 19 percent lower than the national average for this job . Chief Treatment Plant Operator salaries at City of Marlborough typically range from $54,893 to $105,838 (25th to 75th percentile). The highest reported chief treatment plant operator salary was $105,837. There are 3 employees at City of Marlborough with the job title chief treatment plant operator.