Water and Wastewater Treatment Plant and System Operator Salary Information in Wisconsin

The average annual and hourly salaries for water and wastewater treatment plant and system operators in the state of Wisconsin are shown in Table 1 and Table 2, respectively. The comparison of the salary statistics of water and wastewater treatment plant and system operators amongst Wisconsin areas is shown in Table 3. The salary statistics are based on the national compensation survey conducted by the U.S. Bureau of Labor Statistics in 2017 and published in April 2018 [1].

Table 1 & 2. Annual & Hourly Salary of Water and Wastewater Treatment Plant and System Operators in Wisconsin

Percentile BracketAverage Annual Salary
10th Percentile Wage
$35,110
25th Percentile Wage
$42,810
50th Percentile Wage
$51,300
75th Percentile Wage
$60,720
90th Percentile Wage
$68,630

Table 1 shows the average annual salary for water and wastewater treatment plant and system operators in Wisconsin in 5 percentile scales. The average annual salary for the 90th percentile (the top 10 percent of the highest paid) is $68,630. The median (50th percentile) annual salary is $51,300. The average annual salary for the bottom 10 percent is $35,110.

Salary Trend (2012 to 2017)

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
$51,300
4.62% 9.49%
2016
$48,930
2.70% -
2015
$47,610
2.10% -
2014
$46,610
1.20% -
2013
$46,050
-0.83% -
2012
$46,430
- -

Table 3. Median Annual Salary of Water and Wastewater Treatment Plant and System Operators in Wisconsin Cities

Table 3 shows the median annual salary of water and wastewater treatment plant and system operators in some Wisconsin cities and metropolitan areas. We note that the median annual salary of water and wastewater treatment plant and system operators in state of Wisconsin ranges from $32,720 to $64,600. The highest paying area for water and wastewater treatment plant and system operators in Wisconsin is Lake County-Kenosha County with a median annual salary of $64,600. The second highest paying city/area in Wisconsin State is Milwaukee-Waukesha-West Allis (mean annual salary $61,410). The lowest paying area is Eastern Wisconsin nonmetropolitan area with a median annual salary of $32,720.

Cities/Areas Median Annual Salary
Lake County-Kenosha County
$64,600
Milwaukee-Waukesha-West Allis
$61,410
Minneapolis-St Paul-Bloomington
$58,200
Madison
$57,930
Appleton
$56,690
Green Bay
$55,760
Wausau
$54,690
Oshkosh-Neenah
$54,550
Duluth
$54,140
Sheboygan
$54,050
Fond du Lac
$53,850
Racine
$53,390
Janesville
$52,140
Southwestern Wisconsin nonmetropolitan area
$48,760
South Central Wisconsin nonmetropolitan area
$48,390
La Crosse
$47,270
West Central Wisconsin nonmetropolitan area
$46,180
Eau Claire
$45,170
Northern Wisconsin nonmetropolitan area
$41,890
Eastern Wisconsin nonmetropolitan area
$32,720




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