The median annual wage for Petroleum Pump System Operators, Refinery Operators, and Gaugers in Montana is $97,840 (May 2024 BLS OES). The mean (average) is $97,030.
Pay spans roughly $74,710 at the 10th percentile to $119,210 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $47.04 per hour. An estimated 570 people work as petroleum pump system operators, refinery operators, and gaugers in Montana.
| Median (annual) | $97,840 |
| Mean (annual) | $97,030 |
| Median (hourly) | $47.04 |
| 10th percentile | $74,710 |
| 90th percentile | $119,210 |
| Employment | 570 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.