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

The average annual and hourly salaries for water and wastewater treatment plant and system operators in the state of Missouri 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 Missouri 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 Missouri

Percentile BracketAverage Annual Salary
90th Percentile Wage
$59,510
75th Percentile Wage
$49,910
50th Percentile Wage
$39,400
25th Percentile Wage
$31,590
10th Percentile Wage
$25,870

Table 1 shows the average annual salary for water and wastewater treatment plant and system operators in Missouri in 5 percentile scales. The average annual salary for the 90th percentile (the top 10 percent of the highest paid) is $59,510. The median (50th percentile) annual salary is $39,400. The average annual salary for the bottom 10 percent is $25,870.

Percentile BracketAverage Hourly Salary
90th Percentile Wage
$28.61
75th Percentile Wage
$23.99
50th Percentile Wage
$18.94
25th Percentile Wage
$15.19
10th Percentile Wage
$12.44

Table 2 shows the average hourly salary for water and wastewater treatment plant and system operators in Missouri in 5 percentile scales. The average hourly salary for the 90th percentile is $28.61. The median hourly salary is $18.94. The average hourly salary for the bottom 10 percent is $12.44.

Table 3. Salary Trend

YearAverage Annual SalaryGrowth (%)
2014 $39,400 5.94%
2013 $37,190 -1.43%
2012 $37,730 3.60%
2011 $36,420 2.97%
2010 $35,370 -

Table 3 shows the salary trend for water and wastewater treatment plant and system operators in state of Missouri from 2010 to 2014. We note that from 2010 to 2014 the average salary has increased by 11.39%. We note that in 2013 the average salary decreased by -1.43%.We also note that the average annual wage had a relatively large growth of 3.60% in the year 2012 and a moderate increase of 2.97% in 2011.

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

OccupationAverage Wage
Water and Wastewater Treatment Plant and System Operators
$39,400
Chemical Plant and System Operators
$51,450
Gas Plant Operators
$62,850
Petroleum Pump System Operators, Refinery Operators, and Gaugers
$48,970
Other Plant and System Operators
$50,070
Power Distributors and Dispatchers
$78,550
Power Plant Operators
$76,690

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

Table 5 shows the median annual salary of water and wastewater treatment plant and system operators in some Missouri cities and metropolitan areas. We note that the median annual salary of water and wastewater treatment plant and system operators in state of Missouri ranges from $30,660 to $50,260. The highest paying area for water and wastewater treatment plant and system operators in Missouri is St Louis with a median annual salary of $50,260. The second highest paying city/area in Missouri State is Kansas City (mean annual salary $42,430). The lowest paying area is Southwest Missouri nonmetropolitan area with a median annual salary of $30,660.

Cities/Areas Median Annual Salary
St Louis
$50,260
Kansas City
$42,430
Columbia
$38,230
Springfield
$37,470
Central Missouri nonmetropolitan area
$37,150
North Missouri nonmetropolitan area
$35,670
Joplin
$35,330
Fayetteville-Springdale-Rogers
$33,810
Cape Girardeau-Jackson
$32,300
St Joseph
$32,010
Southeast Missouri nonmetropolitan area
$30,820
Southwest Missouri nonmetropolitan area
$30,660

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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