Average Base Salary
Average Hourly Rate
The average waste water treatment plant operator salary in Arkansas, United States is $39,313 or an equivalent hourly rate of $19. This is 14% lower (-$6,625) than the average waste water treatment plant operator salary in the United States. In addition, they earn an average bonus of $605. Salary estimates based on salary survey data collected directly from employers and anonymous employees in Arkansas, United States.