The average sewer salary at City of Dover was $70,242 , which is 5 percent higher than the average salary for this job in Ohio, and 19 percent higher than the national average for this job . Sewer salaries at City of Dover typically range from $64,009 to $74,107 (25th to 75th percentile). The highest reported sewer salary was $97,273. There are 17 employees at City of Dover with the job title sewer.