Water Plant Operator salary at City of Sioux City

The average water plant operator salary at City of Sioux City was $79,043 , which is 6 percent higher than the average salary for this job in Iowa, and 43 percent higher than the national average for this job . Water Plant Operator salaries at City of Sioux City typically range from $73,916 to $85,419 (25th to 75th percentile). The highest reported water plant operator salary was $86,138. There are 6 employees at City of Sioux City with the job title water plant operator.