Water Treatment Plant Operator salary at City of Saint Louis

The average water treatment plant operator salary at City of Saint Louis was $82,325 . Water Treatment Plant Operator salaries at City of Saint Louis typically range from $68,121 to $96,370 (25th to 75th percentile). The highest reported water treatment plant operator salary was $113,649. There are 27 employees at City of Saint Louis with the job title water treatment plant operator.