Senior Plant Operator salary at Central Contra Costa Sanitary District (Contra Costa)

The average senior plant operator salary at Central Contra Costa Sanitary District (Contra Costa) was $224,417 , which is 43 percent higher than the average salary for this job in California, and 64 percent higher than the national average for this job . Senior Plant Operator salaries at Central Contra Costa Sanitary District (Contra Costa) typically range from $216,667 to $277,285 (25th to 75th percentile). The highest reported senior plant operator salary was $297,063. There are 10 employees at Central Contra Costa Sanitary District (Contra Costa) with the job title senior plant operator.