The median annual wage for Water and Wastewater Treatment Plant and System Operators in Peoria, IL is $60,880 (May 2024 BLS OES). The mean (average) is $62,990.
Pay spans roughly $42,080 at the 10th percentile to $82,680 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $29.27 per hour. An estimated 110 people work as water and wastewater treatment plant and system operators in Peoria, IL.
| Median (annual) | $60,880 |
| Mean (annual) | $62,990 |
| Median (hourly) | $29.27 |
| 10th percentile | $42,080 |
| 90th percentile | $82,680 |
| Employment | 110 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.