Average Base Salary
Average Hourly Rate
The average supervisor wastewater treatment salary in Arkansas, United States is $59,566 or an equivalent hourly rate of $29. This is 14% lower (-$9,585) than the average supervisor wastewater treatment salary in the United States. In addition, they earn an average bonus of $1,930. Salary estimates based on salary survey data collected directly from employers and anonymous employees in Arkansas, United States.