The median annual wage for Water and Wastewater Treatment Plant and System Operators in Kansas is $47,950 (May 2024 BLS OES). The mean (average) is $48,050.
Pay spans roughly $33,840 at the 10th percentile to $64,750 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $23.06 per hour. An estimated 1,430 people work as water and wastewater treatment plant and system operators in Kansas.
| Median (annual) | $47,950 |
| Mean (annual) | $48,050 |
| Median (hourly) | $23.06 |
| 10th percentile | $33,840 |
| 90th percentile | $64,750 |
| Employment | 1,430 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.