The median annual wage for Water and Wastewater Treatment Plant and System Operators in Norwich-New London-Willimantic, CT is $77,800 (May 2024 BLS OES). The mean (average) is $85,950.
Pay spans roughly $64,470 at the 10th percentile to $113,770 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $37.41 per hour. An estimated 90 people work as water and wastewater treatment plant and system operators in Norwich-New London-Willimantic, CT.
| Median (annual) | $77,800 |
| Mean (annual) | $85,950 |
| Median (hourly) | $37.41 |
| 10th percentile | $64,470 |
| 90th percentile | $113,770 |
| Employment | 90 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.