BLS Occupational Employment & Wage Statistics · May 2025
Water and Wastewater Treatment Plant and System Operators in Maine earn between $49,220 and $84,730, with a mean of $65,010. The national average for this role is $62,404.
| Location | Mean Salary |
|---|---|
| Maine | $65,010 |
| National Average | $62,404 |
| California | $87,190 |
| Washington | $82,770 |
| Nevada | $80,880 |
| Connecticut | $78,890 |
Bureau of Labor Statistics OEWS, May 2025. Maine. Hourly wages assume 2,080 hours/year.