Average Base Salary
Average Hourly Rate
The average water treatment plant supervisor salary in Arizona, United States is $48,745 or an equivalent hourly rate of $23. This is 6% lower (-$3,323) than the average water treatment plant supervisor salary in the United States. In addition, they earn an average bonus of $1,297. Salary estimates based on salary survey data collected directly from employers and anonymous employees in Arizona, United States.