The median annual wage for Water and Wastewater Treatment Plant and System Operators in Sioux City, IA-NE-SD is $60,820 (May 2024 BLS OES). The mean (average) is $61,570.
Pay spans roughly $48,620 at the 10th percentile to $74,950 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $29.24 per hour. An estimated 70 people work as water and wastewater treatment plant and system operators in Sioux City, IA-NE-SD.
| Median (annual) | $60,820 |
| Mean (annual) | $61,570 |
| Median (hourly) | $29.24 |
| 10th percentile | $48,620 |
| 90th percentile | $74,950 |
| Employment | 70 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.