Water Treatment Operator salary at City of Walla Walla

The average water treatment operator salary at City of Walla Walla was $65,010 , which is 25 percent lower than the average salary for this job in Washington, and 11 percent lower than the national average for this job . Water Treatment Operator salaries at City of Walla Walla typically range from $54,262 to $75,759 (25th to 75th percentile). The highest reported water treatment operator salary was $80,781. There are 4 employees at City of Walla Walla with the job title water treatment operator.