The median annual wage for Water and Wastewater Treatment Plant and System Operators in Arizona is $61,480 (May 2024 BLS OES). The mean (average) is $58,490.
Pay spans roughly $40,170 at the 10th percentile to $77,450 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $29.56 per hour. An estimated 3,470 people work as water and wastewater treatment plant and system operators in Arizona.
| Median (annual) | $61,480 |
| Mean (annual) | $58,490 |
| Median (hourly) | $29.56 |
| 10th percentile | $40,170 |
| 90th percentile | $77,450 |
| Employment | 3,470 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.