Water Treatment Operator salary at Napa

The average water treatment operator salary at Napa was $149,019 , which is 8 percent lower than the average salary for this job in California, but 103 percent higher than the national average for this job . Water Treatment Operator salaries at Napa typically range from $102,822 to $210,993 (25th to 75th percentile). The highest reported water treatment operator salary was $218,323. There are 6 employees at Napa with the job title water treatment operator.