Average Base Salary
Average Hourly Rate
The average wastewater treatment engineer salary in Arizona, United States is $78,233 or an equivalent hourly rate of $38. This is 5% lower (-$3,711) than the average wastewater treatment engineer salary in the United States. In addition, they earn an average bonus of $2,410. Salary estimates based on salary survey data collected directly from employers and anonymous employees in Arizona, United States.