Average Base Salary
Average Hourly Rate
The average activated sludge attendant salary in District of Columbia, United States is $53,531 or an equivalent hourly rate of $26. This is 12% higher (+$5,637) than the average activated sludge attendant salary in the United States. In addition, they earn an average bonus of $867. Salary estimates based on salary survey data collected directly from employers and anonymous employees in District of Columbia, United States.