The median annual wage for Water and Wastewater Treatment Plant and System Operators in Twin Falls, ID is $54,880 (May 2024 BLS OES). The mean (average) is $56,070.
Pay spans roughly $43,680 at the 10th percentile to $67,250 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $26.39 per hour. An estimated 120 people work as water and wastewater treatment plant and system operators in Twin Falls, ID.
| Median (annual) | $54,880 |
| Mean (annual) | $56,070 |
| Median (hourly) | $26.39 |
| 10th percentile | $43,680 |
| 90th percentile | $67,250 |
| Employment | 120 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.