Average Base Salary
Average Hourly Rate
The average ammonia gas liquefier salary in District of Columbia, United States is $46,809 or an equivalent hourly rate of $23. This is 12% higher (+$4,928) than the average ammonia gas liquefier salary in the United States. In addition, they earn an average bonus of $716. Salary estimates based on salary survey data collected directly from employers and anonymous employees in District of Columbia, United States.