The median annual wage for Water and Wastewater Treatment Plant and System Operators in Rhode Island is $57,060 (May 2024 BLS OES). The mean (average) is $59,820.
Pay spans roughly $49,930 at the 10th percentile to $79,450 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $27.43 per hour. An estimated 360 people work as water and wastewater treatment plant and system operators in Rhode Island.
| Median (annual) | $57,060 |
| Mean (annual) | $59,820 |
| Median (hourly) | $27.43 |
| 10th percentile | $49,930 |
| 90th percentile | $79,450 |
| Employment | 360 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.