Highest salary at Sewer in year 2010 was $120,246. Number of employees at Sewer in year 2010 was 36. Average annual salary was $76,440 and median salary was $82,866. Sewer average salary is 63 percent higher than USA average and median salary is 91 percent higher than USA median salary. From 2009 to 2010, the average salary of employees at this employer increased 5.3 percent, the median salary increased 10.4 percent.