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

The average annual and hourly salaries for water and wastewater treatment plant and system operators in the state of Illinois are shown in Table 1 and Table 2, respectively. The comparison of the salary statistics of water and wastewater treatment plant and system operators among Illinois metropolitan 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 2014 and published in May 2015 [1].

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

Percentile BracketAverage Annual Salary
90th Percentile Wage
$76,090
75th Percentile Wage
$63,630
50th Percentile Wage
$51,270
25th Percentile Wage
$39,760
10th Percentile Wage
$27,650

Table 1 shows the average annual salary for water and wastewater treatment plant and system operators in Illinois in 5 percentile scales. The average annual salary for the 90th percentile (the top 10 percent of the highest paid) is $76,090. The median (50th percentile) annual salary is $51,270. The average annual salary for the bottom 10 percent is $27,650.

Percentile BracketAverage Hourly Salary
90th Percentile Wage
$36.58
75th Percentile Wage
$30.59
50th Percentile Wage
$24.65
25th Percentile Wage
$19.11
10th Percentile Wage
$13.29

Table 2 shows the average hourly salary for water and wastewater treatment plant and system operators in Illinois in 5 percentile scales. The average hourly salary for the 90th percentile is $36.58. The median hourly salary is $24.65. The average hourly salary for the bottom 10 percent is $13.29.

Table 3. Salary Trend

YearAverage Annual SalaryGrowth (%)
2014 $51,270 2.03%
2013 $50,250 1.45%
2012 $49,530 7.23%
2011 $46,190 4.31%
2010 $44,280 -

Table 3 shows the salary trend for water and wastewater treatment plant and system operators in state of Illinois from 2010 to 2014. We note that from 2010 to 2014 the average salary has increased by 15.79%. We note that in 2013 the average salary increased by 1.45%. We also note that the average annual wage had a sizable growth of 7.23% in the year 2012 and a relatively large increase of 4.31% in 2011.

Table 4. Average Water and Wastewater Treatment Plant and System Operator Wage in Illinois vs. Related Jobs

OccupationAverage Wage
Water and Wastewater Treatment Plant and System Operators
$51,270
Chemical Plant and System Operators
$55,070
Gas Plant Operators
$65,770
Petroleum Pump System Operators, Refinery Operators, and Gaugers
$57,220
Other Plant and System Operators
$59,120
Nuclear Power Reactor Operators
$77,080
Power Distributors and Dispatchers
$77,560

Table 5. Median Annual Salary of Water and Wastewater Treatment Plant and System Operators in Illinois Cities

Table 5 shows the median annual salary of water and wastewater treatment plant and system operators in some Illinois cities and metropolitan areas. We note that the median annual salary of water and wastewater treatment plant and system operators in state of Illinois ranges from $31,080 to $59,890. The highest paying area for water and wastewater treatment plant and system operators in Illinois is Springfield with a median annual salary of $59,890. The second highest paying city/area in Illinois State is Rockford (mean annual salary $59,850). The lowest paying area is West Central Illinois nonmetropolitan area with a median annual salary of $31,080.

Cities/Areas Median Annual Salary
Springfield
$59,890
Rockford
$59,850
Chicago-Joliet-Naperville (IL Metropolitan Division)
$59,830
Chicago-Joliet-Naperville (IL-IN-WI Area)
$56,750
Bloomington-Normal
$55,150
Kankakee-Bradley
$52,530
Champaign-Urbana
$49,550
Peoria
$44,860
South Illinois nonmetropolitan area
$43,870
Northwest Illinois nonmetropolitan area
$42,750
East Central Illinois nonmetropolitan area
$40,760
West Central Illinois nonmetropolitan area
$31,080

Water and Wastewater Treatment Plant and System Operator Salary by State

Alabama       Alaska       Arizona       Arkansas       California       Colorado       Connecticut       Delaware       D.C.       Florida       Georgia       Hawaii       Idaho       Illinois       Indiana       Iowa       Kansas       Kentucky       Louisiana       Maine       Maryland       Massachusetts       Michigan       Minnesota       Mississippi       Missouri       Montana       Nebraska       Nevada       New Hampshire       New Jersey       New Mexico       New York       North Carolina       North Dakota       Ohio       Oklahoma       Oregon       Pennsylvania       Puerto Rico       Rhode Island       South Carolina       South Dakota       Tennessee       Texas       Utah       Vermont       Virginia       Washington       West Virginia       Wisconsin       Wyoming      


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