Operations & Maintenance - Senior Plant Operator salary at Orange County Sanitation District Orange County Employee Retirement System

The average operations & maintenance - senior plant operator salary at Orange County Sanitation District Orange County Employee Retirement System was $106,364 . Operations & Maintenance - Senior Plant Operator salaries at Orange County Sanitation District Orange County Employee Retirement System typically range from $100,910 to $110,627 (25th to 75th percentile). The highest reported operations & maintenance - senior plant operator salary was $124,589. There are 20 employees at Orange County Sanitation District Orange County Employee Retirement System with the job title operations & maintenance - senior plant operator.