Average Base Salary
Average Hourly Rate
The average acid plant helper salary in District of Columbia, United States is $43,536 or an equivalent hourly rate of $21. This is 12% higher (+$4,584) than the average acid plant helper salary in the United States. In addition, they earn an average bonus of $636. Salary estimates based on salary survey data collected directly from employers and anonymous employees in District of Columbia, United States.