The annual salary statistics of water and wastewater treatment plant and system operators in Portland-South Portland-Biddeford, Maine is shown in Table 1. The wage information of water and wastewater treatment plant and system operators in Portland-South Portland-Biddeford 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 | $46,540 |
| 25th Percentile Wage | $50,270 |
| 50th Percentile Wage | $53,340 |
| 75th Percentile Wage | $63,510 |
| 90th Percentile Wage | $69,790 |
Table 1 shows the average annual salary for water and wastewater treatment plant and system operators in Portland-South Portland-Biddeford, Maine in 5 percentile scales. The average annual salary for the 90th percentile (the top 10 percent of the highest paid) is $69,790. The median (50th percentile) annual salary is $53,340. The average annual salary for the bottom 10 percent earners is $46,540.
The table and chart below show the trend of the median salary of water and wastewater treatment plant and system operators from 2012 to 2022.
| Year | Median Salary | Yearly Growth | 10-Year Growth |
|---|---|---|---|
| 2022 | $53,340 | 3.51% | 18.34% |
| 2021 | $51,470 | -4.88% | - |
| 2020 | $53,980 | 4.21% | - |
| 2019 | $51,710 | 3.09% | - |
| 2018 | $50,110 | -1.26% | - |
| 2017 | $50,740 | 2.84% | - |
| 2016 | $49,300 | 3.14% | - |
| 2015 | $47,750 | 6.55% | - |
| 2014 | $44,620 | 1.46% | - |
| 2013 | $43,970 | 0.93% | - |
| 2012 | $43,560 | - | - |
From Table 3 we note that with a median annual salary of $53,340, Portland-South Portland-Biddeford is the highest paying city for water and wastewater treatment plant and system operators in state of Maine, followed by Southwest Maine nonmetropolitan area (median annual salary $53,260). In comparison, the median annual salary of water and wastewater treatment plant and system operators in Portland-South Portland-Biddeford is .1 percent (.1%) higher than that in Southwest Maine nonmetropolitan area.
| Cities/Areas | Median Annual Salary |
|---|---|
| Portland-South Portland-Biddeford | |
| Southwest Maine nonmetropolitan area | |
| Bangor | |
| Northeast Maine nonmetropolitan area |