Average Base Salary
Average Hourly Rate
The average water treatment plant supervisor salary in Alabama, United States is $47,148 or an equivalent hourly rate of $23. This is 9% lower (-$4,903) than the average water treatment plant supervisor salary in the United States. In addition, they earn an average bonus of $1,254. Salary estimates based on salary survey data collected directly from employers and anonymous employees in Alabama, United States.