The median annual wage for Water and Wastewater Treatment Plant and System Operators in Joplin, MO-KS is $52,070 (May 2024 BLS OES). The mean (average) is $51,860.
Pay spans roughly $36,310 at the 10th percentile to $69,020 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $25.04 per hour. An estimated 90 people work as water and wastewater treatment plant and system operators in Joplin, MO-KS.
| Median (annual) | $52,070 |
| Mean (annual) | $51,860 |
| Median (hourly) | $25.04 |
| 10th percentile | $36,310 |
| 90th percentile | $69,020 |
| Employment | 90 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.