The median annual wage for Water and Wastewater Treatment Plant and System Operators in San Luis Obispo-Paso Robles, CA is $80,480 (May 2024 BLS OES). The mean (average) is $79,750.
Pay spans roughly $56,830 at the 10th percentile to $100,290 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $38.69 per hour. An estimated 180 people work as water and wastewater treatment plant and system operators in San Luis Obispo-Paso Robles, CA.
| Median (annual) | $80,480 |
| Mean (annual) | $79,750 |
| Median (hourly) | $38.69 |
| 10th percentile | $56,830 |
| 90th percentile | $100,290 |
| Employment | 180 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.