The median annual wage for Water and Wastewater Treatment Plant and System Operators in Charleston, WV is $39,460 (May 2024 BLS OES). The mean (average) is $40,680.
Pay spans roughly $29,820 at the 10th percentile to $45,150 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $18.97 per hour. An estimated 140 people work as water and wastewater treatment plant and system operators in Charleston, WV.
| Median (annual) | $39,460 |
| Mean (annual) | $40,680 |
| Median (hourly) | $18.97 |
| 10th percentile | $29,820 |
| 90th percentile | $45,150 |
| Employment | 140 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.