The median annual wage for Water and Wastewater Treatment Plant and System Operators in Fort Smith, AR-OK is $38,310 (May 2024 BLS OES). The mean (average) is $41,090.
Pay spans roughly $31,230 at the 10th percentile to $54,380 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $18.42 per hour. An estimated 230 people work as water and wastewater treatment plant and system operators in Fort Smith, AR-OK.
| Median (annual) | $38,310 |
| Mean (annual) | $41,090 |
| Median (hourly) | $18.42 |
| 10th percentile | $31,230 |
| 90th percentile | $54,380 |
| Employment | 230 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.