Water and Wastewater Treatment Plant and System Operator Salary in Seattle-Bellevue-Everett, Washington

The annual salary statistics of water and wastewater treatment plant and system operators in Seattle-Bellevue-Everett, Washington is shown in Table 1. The wage information of water and wastewater treatment plant and system operators in Seattle-Bellevue-Everett is based on the national compensation survey conducted by the U.S. Bureau of Labor Statistics in 2022 and published in April 2023 [1].

Table 1. Annual Salary of Water and Wastewater Treatment Plant and System Operators in Seattle-Bellevue-Everett, Washington

Percentile BracketAverage Annual Salary
10th Percentile Wage
$48,590
25th Percentile Wage
$57,440
50th Percentile Wage
$68,930
75th Percentile Wage
$78,990
90th Percentile Wage
$91,570

Table 1 shows the average annual salary for water and wastewater treatment plant and system operators in Seattle-Bellevue-Everett, Washington in 5 percentile scales. The average annual salary for the 90th percentile (the top 10 percent of the highest paid) is $91,570. The median (50th percentile) annual salary is $68,930. The average annual salary for the bottom 10 percent earners is $48,590.

Median salary trend

The table and chart below show the trend of the median salary of water and wastewater treatment plant and system operators from 2012 to 2017.

YearMedian SalaryYearly Growth5-Year Growth
2017
$68,930
-5.06% 3.82%
2016
$72,420
0.97% -
2015
$71,720
0.85% -
2014
$71,110
4.42% -
2013
$67,970
2.46% -
2012
$66,300
- -

Table 2. Compare Water and Wastewater Treatment Plant and System Operator Salary in Seattle-Bellevue-Everett with Other Washington Cities

From Table 3 we note that the median annual salary of $68,930 in Seattle-Bellevue-Everett is in the middle of salary range for water and wastewater treatment plant and system operators in state of Washington. In comparison, the annual salary of water and wastewater treatment plant and system operators in Seattle-Bellevue-Everett is 13.8 percent (13.8%) lower than that in the highest paying Seattle-Tacoma-Bellevue and 29.1 percent (29.1%) higher than that in the lowest paying Eastern Washington nonmetropolitan area.

Cities/Areas Median Annual Salary
Seattle-Tacoma-Bellevue
$79,950
Olympia
$77,280
Spokane
$75,680
Wenatchee-East Wenatchee
$74,200
Bellingham
$71,540
Bremerton-Silverdale
$71,120
Seattle-Bellevue-Everett
$68,930
Walla Walla
$67,400
Mount Vernon-Anacortes
$66,520
Portland-Vancouver-Hillsboro
$65,420
Western Washington nonmetropolitan area
$64,620
Longview
$63,940
Eastern Washington nonmetropolitan area
$63,260
Yakima
$62,090
Tacoma
$61,800
Kennewick-Pasco-Richland
$57,650
Southwestern Washington nonmetropolitan area
$57,320
Northwestern Washington nonmetropolitan area
$55,420
Central Washington nonmetropolitan area
$53,240
Lewiston
$50,670
Eastern Washington nonmetropolitan area
$48,900