The median annual wage for Water and Wastewater Treatment Plant and System Operators in Rockford, IL is $79,410 (May 2024 BLS OES). The mean (average) is $74,550.
Pay spans roughly $51,900 at the 10th percentile to $96,820 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $38.18 per hour. An estimated 80 people work as water and wastewater treatment plant and system operators in Rockford, IL.
| Median (annual) | $79,410 |
| Mean (annual) | $74,550 |
| Median (hourly) | $38.18 |
| 10th percentile | $51,900 |
| 90th percentile | $96,820 |
| Employment | 80 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.