The average annual salaries for septic tank servicers and sewer pipe cleaners in the state of Washington are shown in Table 1. The comparison of the salary statistics of septic tank servicers and sewer pipe cleaners among Washington areas is shown in Table 2. The salary statistics are 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 | $39,610 |
| 25th Percentile Wage | $48,510 |
| 50th Percentile Wage | $58,240 |
| 75th Percentile Wage | $70,960 |
| 90th Percentile Wage | $82,420 |
Table 1 shows the average annual salary for septic tank servicers and sewer pipe cleaners in Washington in 5 percentile scales. The average annual salary for the 90th percentile (the top 10 percent of the highest paid) is $82,420. The median (50th percentile) annual salary is $58,240. The average annual salary for the bottom 10 percent is $39,610.
The table and chart below show the trend of the median salary of septic tank servicers and sewer pipe cleaners from 2012 to 2022.
| Year | Median Salary | Yearly Growth | 10-Year Growth |
|---|---|---|---|
| 2022 | $58,240 | 17.51% | 27.16% |
| 2021 | $48,040 | 1.62% | - |
| 2020 | $47,260 | 3.07% | - |
| 2019 | $45,810 | 11.42% | - |
| 2018 | $40,580 | 3.03% | - |
| 2017 | $39,350 | 7.57% | - |
| 2016 | $36,370 | -0.74% | - |
| 2015 | $36,640 | -11.14% | - |
| 2014 | $40,720 | -1.99% | - |
| 2013 | $41,530 | -2.14% | - |
| 2012 | $42,420 | - | - |
Table 3 shows the median annual salary of septic tank servicers and sewer pipe cleaners in some Washington cities and metropolitan areas. We note that the median annual salary of septic tank servicers and sewer pipe cleaners in state of Washington ranges from $31,400 to $78,980. The highest paying area for septic tank servicers and sewer pipe cleaners in Washington is Tacoma with a median annual salary of $78,980. The second highest paying city/area in Washington State is Mount Vernon-Anacortes (mean annual salary $68,140). The lowest paying area is Northwestern Washington nonmetropolitan area with a median annual salary of $31,400.