The median annual wage for Water and Wastewater Treatment Plant and System Operators in Green Bay, WI is $64,860 (May 2024 BLS OES). The mean (average) is $65,940.
Pay spans roughly $53,590 at the 10th percentile to $80,740 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $31.18 per hour. An estimated 130 people work as water and wastewater treatment plant and system operators in Green Bay, WI.
| Median (annual) | $64,860 |
| Mean (annual) | $65,940 |
| Median (hourly) | $31.18 |
| 10th percentile | $53,590 |
| 90th percentile | $80,740 |
| Employment | 130 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.