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

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

Percentile BracketAverage Annual Salary
10th Percentile Wage
$30,810
25th Percentile Wage
$35,940
50th Percentile Wage
$43,810
75th Percentile Wage
$52,410
90th Percentile Wage
$64,970

Table 1 shows the average annual salary for water and wastewater treatment plant and system operators in Maryland in 5 percentile scales. The average annual salary for the 90th percentile (the top 10 percent of the highest paid) is $64,970. The median (50th percentile) annual salary is $43,810. The average annual salary for the bottom 10 percent is $30,810.

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
$43,810
0.27% 2.72%
2016
$43,690
0.37% -
2015
$43,530
-0.32% -
2014
$43,670
3.62% -
2013
$42,090
-1.26% -
2012
$42,620
- -

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

Table 3 shows the median annual salary of water and wastewater treatment plant and system operators in some Maryland cities and metropolitan areas. We note that the median annual salary of water and wastewater treatment plant and system operators in state of Maryland ranges from $38,730 to $51,920. The highest paying area for water and wastewater treatment plant and system operators in Maryland is Bethesda-Rockville-Frederick with a median annual salary of $51,920. The second highest paying city/area in Maryland State is Baltimore-Towson (mean annual salary $43,740). The lowest paying area is Upper Eastern Shore nonmetropolitan area with a median annual salary of $38,730.

Cities/Areas Median Annual Salary
Bethesda-Rockville-Frederick
$51,920
Baltimore-Towson
$43,740
Salisbury
$40,470
Upper Eastern Shore nonmetropolitan area
$38,730




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