Water and Wastewater Treatment Plant and System Operators Salary in Washington

Ranked #2 of 50 · WA

32.3% above U.S. average
Mean annual salary $82,770 ≈ $40/hr
Median annual salary $80,800
Employment 2,030

Salary Distribution (10th–90th percentile)

P10 $57,720P25 $67,690 Median $80,800P75 $99,940P90 $106,270

About 80% of water and wastewater treatment plant and system operatorss in Washington earn between $57,720 and $106,270. The blue band is the middle 50% (P25–P75); the dot marks the median.

Compared to the U.S.

Washington
$82,770
U.S. average
$62,540

The mean water and wastewater treatment plant and system operators salary in Washington is $82,770, about 32.3% above the U.S. average ($62,540). That works out to roughly $40/hr at 2,080 hours per year.

Metro Areas in Washington

Metro areaMedianMeanEmployment
Seattle-Tacoma-Bellevue, WA $99,010 $92,380 830
Olympia-Lacey-Tumwater, WA $88,270 $87,930 70
Wenatchee-East Wenatchee, WA $87,840 $82,360 40
Mount Vernon-Anacortes, WA $87,310 $83,270 90
Bellingham, WA $81,430 $81,860 80
Spokane-Spokane Valley, WA $81,240 $77,350 130
Kennewick-Richland, WA $80,750 $75,340 80
Bremerton-Silverdale-Port Orchard, WA $79,100 $76,950 90

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