Wastewater Treatment Plant Operator Trainee salary at City of Portland

The average wastewater treatment plant operator trainee salary at City of Portland was $33,971 . Wastewater Treatment Plant Operator Trainee salaries at City of Portland typically range from $22,261 to $49,937 (25th to 75th percentile). The highest reported wastewater treatment plant operator trainee salary was $49,937. There are 3 employees at City of Portland with the job title wastewater treatment plant operator trainee.