Wastewater Treatment Plant Operator salary at Delta Diablo Sanitation District (Contra Costa)

The average wastewater treatment plant operator salary at Delta Diablo Sanitation District (Contra Costa) was $137,508 , which is 8 percent higher than the average salary for this job in California, and 152 percent higher than the national average for this job . Wastewater Treatment Plant Operator salaries at Delta Diablo Sanitation District (Contra Costa) typically range from $126,895 to $147,036 (25th to 75th percentile). The highest reported wastewater treatment plant operator salary was $155,399. There are 10 employees at Delta Diablo Sanitation District (Contra Costa) with the job title wastewater treatment plant operator.