Water Treatment Supervisor salary at Contra Costa Water District

The average water treatment supervisor salary at Contra Costa Water District was $264,577 , which is 18 percent higher than the average salary for this job in California, and 27 percent higher than the national average for this job . Water Treatment Supervisor salaries at Contra Costa Water District typically range from $251,449 to $277,704 (25th to 75th percentile). The highest reported water treatment supervisor salary was $277,704. There are 2 employees at Contra Costa Water District with the job title water treatment supervisor.