The median annual wage for Water and Wastewater Treatment Plant and System Operators in Boston-Cambridge-Newton, MA-NH is $66,250 (May 2024 BLS OES). The mean (average) is $68,840.
Pay spans roughly $52,410 at the 10th percentile to $83,680 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $31.85 per hour. An estimated 1,380 people work as water and wastewater treatment plant and system operators in Boston-Cambridge-Newton, MA-NH.
| Median (annual) | $66,250 |
| Mean (annual) | $68,840 |
| Median (hourly) | $31.85 |
| 10th percentile | $52,410 |
| 90th percentile | $83,680 |
| Employment | 1,380 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.