The median annual wage for Water and Wastewater Treatment Plant and System Operators in Killeen-Temple, TX is $45,230 (May 2024 BLS OES). The mean (average) is $46,180.
Pay spans roughly $34,830 at the 10th percentile to $60,250 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $21.74 per hour. An estimated 190 people work as water and wastewater treatment plant and system operators in Killeen-Temple, TX.
| Median (annual) | $45,230 |
| Mean (annual) | $46,180 |
| Median (hourly) | $21.74 |
| 10th percentile | $34,830 |
| 90th percentile | $60,250 |
| Employment | 190 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.