The median annual wage for Septic Tank Servicers and Sewer Pipe Cleaners in Washington is $61,570 (May 2024 BLS OES). The mean (average) is $65,480.
Pay spans roughly $46,540 at the 10th percentile to $82,030 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $29.60 per hour. An estimated 1,660 people work as septic tank servicers and sewer pipe cleaners in Washington.
| Median (annual) | $61,570 |
| Mean (annual) | $65,480 |
| Median (hourly) | $29.60 |
| 10th percentile | $46,540 |
| 90th percentile | $82,030 |
| Employment | 1,660 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.