The annual salary statistics of water and wastewater treatment plant and system operators in Southwestern Washington nonmetropolitan area, Washington is shown in Table 1. The wage data of water and wastewater treatment plant and system operators in Southwestern Washington nonmetropolitan area is based on the national compensation survey conducted by the U.S. Bureau of Labor Statistics in 2022 and published in April 2023 [1].
| Percentile Bracket | Average Annual Salary |
|---|---|
| 10th Percentile Wage | $38,860 |
| 25th Percentile Wage | $49,810 |
| 50th Percentile Wage | $57,320 |
| 75th Percentile Wage | $64,170 |
| 90th Percentile Wage | $74,040 |
Table 1 shows the average annual salary for water and wastewater treatment plant and system operators in Southwestern Washington nonmetropolitan area, Washington in 5 percentile scales. The average annual salary for the 90th percentile (the top 10 percent of the highest paid) is $74,040. The median (50th percentile) annual salary is $57,320. The average annual salary for the bottom 10 percent earners is $38,860.
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.
| Year | Median Salary | Yearly Growth | 5-Year Growth |
|---|---|---|---|
| 2017 | $57,320 | -1.40% | 20.67% |
| 2016 | $58,120 | 1.75% | - |
| 2015 | $57,100 | 2.33% | - |
| 2014 | $55,770 | 13.73% | - |
| 2013 | $48,110 | 5.49% | - |
| 2012 | $45,470 | - | - |
From Table 3 we note that the median annual salary of $57,320 in Southwestern Washington nonmetropolitan area 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 Southwestern Washington nonmetropolitan area is 28.3 percent (28.3%) lower than that in the highest paying Seattle-Tacoma-Bellevue and 14.7 percent (14.7%) higher than that in the lowest paying Eastern Washington nonmetropolitan area.