Highest salary at Waterville in year 2010 was $45,466. Number of employees at Waterville in year 2010 was 14. Average annual salary was $23,154 and median salary was $28,820. Waterville average salary is 51 percent lower than USA average and median salary is 34 percent lower than USA median salary. From 2009 to 2010, the average salary of employees at this employer increased 7.3 percent, the median salary increased 4.4 percent.