The median annual wage for Water and Wastewater Treatment Plant and System Operators in Madison, WI is $66,470 (May 2024 BLS OES). The mean (average) is $66,600.
Pay spans roughly $49,610 at the 10th percentile to $81,070 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $31.96 per hour. An estimated 120 people work as water and wastewater treatment plant and system operators in Madison, WI.
| Median (annual) | $66,470 |
| Mean (annual) | $66,600 |
| Median (hourly) | $31.96 |
| 10th percentile | $49,610 |
| 90th percentile | $81,070 |
| Employment | 120 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.