The median annual wage for Water and Wastewater Treatment Plant and System Operators in South Dakota is $54,090 (May 2024 BLS OES). The mean (average) is $56,830.
Pay spans roughly $43,000 at the 10th percentile to $74,220 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $26.01 per hour. An estimated 1,040 people work as water and wastewater treatment plant and system operators in South Dakota.
| Median (annual) | $54,090 |
| Mean (annual) | $56,830 |
| Median (hourly) | $26.01 |
| 10th percentile | $43,000 |
| 90th percentile | $74,220 |
| Employment | 1,040 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.