Average Base Salary
Average Hourly Rate
The average wastewater treatment plant attendant salary in Arkansas, United States is $40,870 or an equivalent hourly rate of $20. This is 15% lower (-$7,024) than the average wastewater treatment plant attendant salary in the United States. In addition, they earn an average bonus of $662. Salary estimates based on salary survey data collected directly from employers and anonymous employees in Arkansas, United States.