Average Base Salary
Average Hourly Rate
The average wastewater treatment plant supervisor salary in Arizona, United States is $59,869 or an equivalent hourly rate of $29. This is 6% lower (-$4,082) than the average wastewater treatment plant supervisor salary in the United States. In addition, they earn an average bonus of $1,832. Salary estimates based on salary survey data collected directly from employers and anonymous employees in Arizona, United States.