Average Base Salary
Average Hourly Rate
The average wastewater treatment engineer salary in Alabama, United States is $78,430 or an equivalent hourly rate of $38. This is 4% lower (-$3,496) than the average wastewater treatment engineer salary in the United States. In addition, they earn an average bonus of $2,416. Salary estimates based on salary survey data collected directly from employers and anonymous employees in Alabama, United States.