The median annual wage for Water and Wastewater Treatment Plant and System Operators in La Crosse-Onalaska, WI-MN is $59,660 (May 2024 BLS OES). The mean (average) is $57,400.
Pay spans roughly $49,250 at the 10th percentile to $70,670 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $28.68 per hour. An estimated 50 people work as water and wastewater treatment plant and system operators in La Crosse-Onalaska, WI-MN.
| Median (annual) | $59,660 |
| Mean (annual) | $57,400 |
| Median (hourly) | $28.68 |
| 10th percentile | $49,250 |
| 90th percentile | $70,670 |
| Employment | 50 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.