The median annual wage for Water and Wastewater Treatment Plant and System Operators in Trenton-Princeton, NJ is $64,170 (May 2024 BLS OES). The mean (average) is $70,210.
Pay spans roughly $51,690 at the 10th percentile to $100,960 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $30.85 per hour. An estimated 140 people work as water and wastewater treatment plant and system operators in Trenton-Princeton, NJ.
| Median (annual) | $64,170 |
| Mean (annual) | $70,210 |
| Median (hourly) | $30.85 |
| 10th percentile | $51,690 |
| 90th percentile | $100,960 |
| Employment | 140 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.