Treatment Plant Supervisor salary at County Medina

The average treatment plant supervisor salary at County Medina was $61,765 , which is 17 percent higher than the average salary for this job in Ohio, but 40 percent lower than the national average for this job . Treatment Plant Supervisor salaries at County Medina typically range from $59,994 to $62,556 (25th to 75th percentile). The highest reported treatment plant supervisor salary was $66,701. There are 10 employees at County Medina with the job title treatment plant supervisor.