The median annual wage for Water and Wastewater Treatment Plant and System Operators in Cape Girardeau, MO-IL is $56,120 (May 2024 BLS OES). The mean (average) is $54,450.
Pay spans roughly $36,440 at the 10th percentile to $71,690 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $26.98 per hour. An estimated 60 people work as water and wastewater treatment plant and system operators in Cape Girardeau, MO-IL.
| Median (annual) | $56,120 |
| Mean (annual) | $54,450 |
| Median (hourly) | $26.98 |
| 10th percentile | $36,440 |
| 90th percentile | $71,690 |
| Employment | 60 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.