The median annual wage for Water and Wastewater Treatment Plant and System Operators in Lafayette, LA is $39,230 (May 2024 BLS OES). The mean (average) is $43,650.
Pay spans roughly $29,180 at the 10th percentile to $61,700 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $18.86 per hour. An estimated 90 people work as water and wastewater treatment plant and system operators in Lafayette, LA.
| Median (annual) | $39,230 |
| Mean (annual) | $43,650 |
| Median (hourly) | $18.86 |
| 10th percentile | $29,180 |
| 90th percentile | $61,700 |
| Employment | 90 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.