The median annual wage for Water and Wastewater Treatment Plant and System Operators in Merced, CA is $78,320 (May 2024 BLS OES). The mean (average) is $73,820.
Pay spans roughly $46,230 at the 10th percentile to $98,350 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $37.66 per hour. An estimated 90 people work as water and wastewater treatment plant and system operators in Merced, CA.
| Median (annual) | $78,320 |
| Mean (annual) | $73,820 |
| Median (hourly) | $37.66 |
| 10th percentile | $46,230 |
| 90th percentile | $98,350 |
| Employment | 90 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.