Public Works Supervisor salary at Charleston County

The average public works supervisor salary at Charleston County was $57,559 , which is 3 percent higher than the average salary for this job in South Carolina, but 24 percent lower than the national average for this job . Public Works Supervisor salaries at Charleston County typically range from $55,474 to $59,644 (25th to 75th percentile). The highest reported public works supervisor salary was $62,920. There are 4 employees at Charleston County with the job title public works supervisor.