Average Base Salary
Average Hourly Rate
The average supervisor water treatment plant salary in Arkansas, United States is $59,904 or an equivalent hourly rate of $29. This is 14% lower (-$9,639) than the average supervisor water treatment plant salary in the United States. In addition, they earn an average bonus of $1,947. Salary estimates based on salary survey data collected directly from employers and anonymous employees in Arkansas, United States.