Management Assistant salary at Contra Costa Water District

The average management assistant salary at Contra Costa Water District was $128,026 , which is 51 percent higher than the average salary for this job in California, and 84 percent higher than the national average for this job . Management Assistant salaries at Contra Costa Water District typically range from $104,997 to $158,011 (25th to 75th percentile). The highest reported management assistant salary was $163,460. There are 9 employees at Contra Costa Water District with the job title management assistant.