The median annual wage for Water and Wastewater Treatment Plant and System Operators in Mississippi is $44,970 (May 2024 BLS OES). The mean (average) is $45,580.
Pay spans roughly $29,680 at the 10th percentile to $61,960 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $21.62 per hour. An estimated 1,140 people work as water and wastewater treatment plant and system operators in Mississippi.
| Median (annual) | $44,970 |
| Mean (annual) | $45,580 |
| Median (hourly) | $21.62 |
| 10th percentile | $29,680 |
| 90th percentile | $61,960 |
| Employment | 1,140 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.