Treatment Plant Tech salary at Metro Government of Nashville and Davidson County

The average treatment plant tech salary at Metro Government of Nashville and Davidson County was $53,946 , which is 1 percent lower than the average salary for this job in Tennessee, and 1 percent lower than the national average for this job . Treatment Plant Tech salaries at Metro Government of Nashville and Davidson County typically range from $33,891 to $72,248 (25th to 75th percentile). The highest reported treatment plant tech salary was $90,779. There are 131 employees at Metro Government of Nashville and Davidson County with the job title treatment plant tech.