Maine ranks 18th of 50 states and D.C. for water and wastewater treatment plant and system operators pay, trailing top-paying California ($82,100) by $21,140 — a 35% gap.
The 10th-to-90th percentile range runs from $42,400 to $81,270 — a $38,870 spread, 20% tighter than the national $48,290 range.
Water and Wastewater Treatment Plant and System Operators are more concentrated in Maine than the U.S. average — a location quotient of 1.27 means the occupation's share of local jobs is 1.27× the national share.
Salary Range: 10th to 90th Percentile
Full Percentile Breakdown
| Percentile | Annual Wage | Hourly Wage |
|---|---|---|
| 10th percentile (entry-level) | $42,400 | $20.39 |
| 25th percentile | $47,710 | $22.94 |
| 50th percentile (median) | $60,960 | $29.31 |
| 75th percentile | $65,720 | $31.60 |
| 90th percentile (top earners) | $81,270 | $39.07 |
| Mean (average) | $59,350 | $28.53 |
How Maine Compares
| State | Median Annual | vs. Maine |
|---|---|---|
| Maine (current) | $60,960 | n/a |
| California | $82,100 | +35% |
| Nevada | $79,140 | +30% |
| Washington | $78,810 | +29% |
| Alaska | $76,910 | +26% |
| New Jersey | $75,200 | +23% |
| Connecticut | $74,450 | +22% |
| Minnesota | $70,470 | +16% |
| Colorado | $68,220 | +12% |
Showing top-paying states with available data. View all states →
Related Occupations in Maine
| Occupation | Median Annual | Employment |
|---|---|---|
| Substance Abuse, Behavioral Disorder, and Mental Health Counselors | $60,970 | 1,610 |
| Middle School Teachers, Except Special and Career/Technical Education | $61,030 | 3,890 |
| Environmental Scientists and Specialists, Including Health | $60,880 | 470 |
| Physical Therapist Assistants | $60,830 | 370 |
| Mobile Heavy Equipment Mechanics, Except Engines | $60,700 | 1,230 |
| Insurance Sales Agents | $60,630 | 2,100 |
Frequently Asked Questions
What is the average Water and Wastewater Treatment Plant and System Operators salary in Maine?
The mean water and wastewater treatment plant and system operators salary in Maine is $59,350 per year. The median (middle) salary is $60,960 per year.
What is the starting salary for a Water and Wastewater Treatment Plant and System Operators in Maine?
Entry-level water and wastewater treatment plant and system operatorss (10th percentile) in Maine typically earn around $42,400 per year. Workers at the 25th percentile earn approximately $47,710 per year.
What is the highest Water and Wastewater Treatment Plant and System Operators salary in Maine?
Top earners (90th percentile) in this occupation in Maine make approximately $81,270 per year. Those in the 75th percentile earn around $65,720 per year.
How does the Maine Water and Wastewater Treatment Plant and System Operators salary compare to the national average?
The median water and wastewater treatment plant and system operators salary in Maine is $60,960, which is +5% above national average of $58,260.