The median annual wage for Water and Wastewater Treatment Plant and System Operators in Colorado is $68,220 (May 2024 BLS OES). The mean (average) is $69,130.
Pay spans roughly $48,440 at the 10th percentile to $89,910 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $32.80 per hour. An estimated 2,410 people work as water and wastewater treatment plant and system operators in Colorado.
| Median (annual) | $68,220 |
| Mean (annual) | $69,130 |
| Median (hourly) | $32.80 |
| 10th percentile | $48,440 |
| 90th percentile | $89,910 |
| Employment | 2,410 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.