The median annual wage for Water and Wastewater Treatment Plant and System Operators in Lake Charles, LA is $43,550 (May 2024 BLS OES). The mean (average) is $49,780.
Pay spans roughly $28,430 at the 10th percentile to $77,280 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $20.94 per hour. An estimated 80 people work as water and wastewater treatment plant and system operators in Lake Charles, LA.
| Median (annual) | $43,550 |
| Mean (annual) | $49,780 |
| Median (hourly) | $20.94 |
| 10th percentile | $28,430 |
| 90th percentile | $77,280 |
| Employment | 80 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.