The median annual wage for Water and Wastewater Treatment Plant and System Operators in Santa Rosa-Petaluma, CA is $83,630 (May 2024 BLS OES). The mean (average) is $85,880.
Pay spans roughly $60,780 at the 10th percentile to $111,700 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $40.21 per hour. An estimated 220 people work as water and wastewater treatment plant and system operators in Santa Rosa-Petaluma, CA.
| Median (annual) | $83,630 |
| Mean (annual) | $85,880 |
| Median (hourly) | $40.21 |
| 10th percentile | $60,780 |
| 90th percentile | $111,700 |
| Employment | 220 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.