The median annual wage for Water and Wastewater Treatment Plant and System Operators in Hanford-Corcoran, CA is $61,360 (May 2024 BLS OES). The mean (average) is $65,370.
Pay spans roughly $44,420 at the 10th percentile to $100,370 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $29.50 per hour. An estimated 70 people work as water and wastewater treatment plant and system operators in Hanford-Corcoran, CA.
| Median (annual) | $61,360 |
| Mean (annual) | $65,370 |
| Median (hourly) | $29.50 |
| 10th percentile | $44,420 |
| 90th percentile | $100,370 |
| Employment | 70 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.