The median annual wage for Water and Wastewater Treatment Plant and System Operators in Charleston-North Charleston, SC is $49,040 (May 2024 BLS OES). The mean (average) is $52,980.
Pay spans roughly $35,460 at the 10th percentile to $76,270 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $23.58 per hour. An estimated 440 people work as water and wastewater treatment plant and system operators in Charleston-North Charleston, SC.
| Median (annual) | $49,040 |
| Mean (annual) | $52,980 |
| Median (hourly) | $23.58 |
| 10th percentile | $35,460 |
| 90th percentile | $76,270 |
| Employment | 440 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.