Water and Wastewater Treatment Plant and System Operators Salary in Delaware

In Delaware we have BLS pay data for water and wastewater treatment plant and system operators in Dover only, where the average is $64,390 a year. Statewide, BLS puts the water and wastewater treatment plant and system operators average at $66,310 and the median at $64,940 for 340 workers. The U.S. average for this job is $62,540.

Water and Wastewater Treatment Plant and System Operators average salary by city in Delaware

Dover$64,390

Pay, take-home pay and cost of living

City	Average	Median	25th pct.	Take-home*	Cost of living
Dover	$64,390	$62,410	$51,710	$50,899	98

*Average salary after federal and state taxes for a single filer. Cost of living: BEA price parity, U.S. = 100.

Water and Wastewater Treatment Plant and System Operators salary in other states

Water and Wastewater Treatment Plant and System Operators salary by city and state

More about pay in Delaware

Sources and how to read this page

Wages: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025 estimates for metropolitan areas. SOC code 51-8031.
U.S. and statewide figures: BLS OEWS national and state estimates, May 2025, every employer including rural areas.
Cost of living: Bureau of Economic Analysis regional price parities (RPP), 2024; 100 = U.S. average.

Read the full methodology. Spotted an error? Tell us.