Treatment Plant Operator salary at Calaveras County Water District

The average treatment plant operator salary at Calaveras County Water District was $98,480 , which is 34 percent lower than the average salary for this job in California, but 25 percent higher than the national average for this job . Treatment Plant Operator salaries at Calaveras County Water District typically range from $70,768 to $134,024 (25th to 75th percentile). The highest reported treatment plant operator salary was $148,312. There are 12 employees at Calaveras County Water District with the job title treatment plant operator.