The median annual wage for Water and Wastewater Treatment Plant and System Operators in Portland-South Portland, ME is $61,850 (May 2024 BLS OES). The mean (average) is $64,100.
Pay spans roughly $50,170 at the 10th percentile to $81,270 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $29.74 per hour. An estimated 260 people work as water and wastewater treatment plant and system operators in Portland-South Portland, ME.
| Median (annual) | $61,850 |
| Mean (annual) | $64,100 |
| Median (hourly) | $29.74 |
| 10th percentile | $50,170 |
| 90th percentile | $81,270 |
| Employment | 260 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.