The median annual wage for Water and Wastewater Treatment Plant and System Operators in Topeka, KS is $42,660 (May 2024 BLS OES). The mean (average) is $45,390.
Pay spans roughly $15,080 at the 10th percentile to $65,730 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $20.51 per hour. An estimated 110 people work as water and wastewater treatment plant and system operators in Topeka, KS.
| Median (annual) | $42,660 |
| Mean (annual) | $45,390 |
| Median (hourly) | $20.51 |
| 10th percentile | $15,080 |
| 90th percentile | $65,730 |
| Employment | 110 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.