The median annual wage for Water and Wastewater Treatment Plant and System Operators in Janesville-Beloit, WI is $63,330 (May 2024 BLS OES). The mean (average) is $63,350.
Pay spans roughly $51,910 at the 10th percentile to $72,170 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $30.45 per hour. An estimated 50 people work as water and wastewater treatment plant and system operators in Janesville-Beloit, WI.
| Median (annual) | $63,330 |
| Mean (annual) | $63,350 |
| Median (hourly) | $30.45 |
| 10th percentile | $51,910 |
| 90th percentile | $72,170 |
| Employment | 50 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.