The median annual wage for Water and Wastewater Treatment Plant and System Operators in Mankato, MN is $64,840 (May 2024 BLS OES). The mean (average) is $65,590.
Pay spans roughly $48,890 at the 10th percentile to $77,170 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $31.17 per hour. An estimated 70 people work as water and wastewater treatment plant and system operators in Mankato, MN.
| Median (annual) | $64,840 |
| Mean (annual) | $65,590 |
| Median (hourly) | $31.17 |
| 10th percentile | $48,890 |
| 90th percentile | $77,170 |
| Employment | 70 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.