The median annual wage for Water and Wastewater Treatment Plant and System Operators in Fond du Lac, WI is $61,650 (May 2024 BLS OES). The mean (average) is $62,330.
Pay spans roughly $52,320 at the 10th percentile to $75,150 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $29.64 per hour. An estimated 40 people work as water and wastewater treatment plant and system operators in Fond du Lac, WI.
| Median (annual) | $61,650 |
| Mean (annual) | $62,330 |
| Median (hourly) | $29.64 |
| 10th percentile | $52,320 |
| 90th percentile | $75,150 |
| Employment | 40 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.