Highest salary at Waterville in year 2011 was $46,391. Number of employees at Waterville in year 2011 was 13. Average annual salary was $23,184 and median salary was $28,947. Waterville average salary is 51 percent lower than USA average and median salary is 33 percent lower than USA median salary. From 2010 to 2011, the average salary of employees at this employer increased 0.1 percent, the median salary increased 0.4 percent.