Water Plant Operator - A salary at City of Seneca

The average water plant operator - a salary at City of Seneca was $77,061 , which is 11 percent higher than the average salary for this job in South Carolina, and 20 percent higher than the national average for this job . Water Plant Operator - A salaries at City of Seneca typically range from $70,214 to $83,907 (25th to 75th percentile). The highest reported water plant operator - a salary was $83,907. There are 2 employees at City of Seneca with the job title water plant operator - a.