Water Treatment Plant Operator salary at City of Saint Louis

The average water treatment plant operator salary at City of Saint Louis was $61,004 . Water Treatment Plant Operator salaries at City of Saint Louis typically range from $53,313 to $68,536 (25th to 75th percentile). The highest reported water treatment plant operator salary was $69,576. There are 20 employees at City of Saint Louis with the job title water treatment plant operator.