The median annual wage for Water and Wastewater Treatment Plant and System Operators in Billings, MT is $58,630 (May 2024 BLS OES). The mean (average) is $61,620.
Pay spans roughly $43,190 at the 10th percentile to $74,460 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $28.19 per hour. An estimated 70 people work as water and wastewater treatment plant and system operators in Billings, MT.
| Median (annual) | $58,630 |
| Mean (annual) | $61,620 |
| Median (hourly) | $28.19 |
| 10th percentile | $43,190 |
| 90th percentile | $74,460 |
| Employment | 70 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.