Wastewater Treatment Plant Operator salary at County of New Castle

The average wastewater treatment plant operator salary at County of New Castle was $58,795 , which is 30 percent higher than the average salary for this job in Delaware, but 18 percent lower than the national average for this job . Wastewater Treatment Plant Operator salaries at County of New Castle typically range from $55,037 to $60,674 (25th to 75th percentile). The highest reported wastewater treatment plant operator salary was $60,674. There are 3 employees at County of New Castle with the job title wastewater treatment plant operator.