Salary Range — 10th to 90th Percentile
Full Percentile Breakdown
| Percentile | Annual Wage | Hourly Wage |
|---|---|---|
| 10th percentile (entry-level) | $37,480 | $18.02 |
| 25th percentile | $45,510 | $21.88 |
| 50th percentile (median) | $52,990 | $25.48 |
| 75th percentile | $58,860 | $28.30 |
| 90th percentile (top earners) | $69,580 | $33.45 |
| Mean (average) | $53,900 | $25.91 |
How Missouri Compares
| State | Median Annual | vs. Missouri |
|---|---|---|
| Missouri (current) | $52,990 | — |
| California | $82,100 | +55% |
| Nevada | $79,140 | +49% |
| Washington | $78,810 | +49% |
| Alaska | $76,910 | +45% |
| New Jersey | $75,200 | +42% |
| Connecticut | $74,450 | +40% |
| Minnesota | $70,470 | +33% |
| Colorado | $68,220 | +29% |
Showing top-paying states with available data. View all states →
Related Occupations in Missouri
| Occupation | Median Annual | Employment |
|---|---|---|
| Meeting, Convention, and Event Planners | $53,000 | 2,270 |
| Healthcare Social Workers | $53,060 | 4,630 |
| Teachers and Instructors, All Other | $53,100 | 1,830 |
| Computer User Support Specialists | $52,730 | 15,570 |
| Special Education Teachers, Middle School | $53,410 | 880 |
| Roofers | $53,430 | 2,050 |
Frequently Asked Questions
What is the average Water and Wastewater Treatment Plant and System Operators salary in Missouri?
The mean water and wastewater treatment plant and system operators salary in Missouri is $53,900 per year. The median (middle) salary is $52,990 per year. Source: BLS OEWS 2024.
What is the starting salary for a Water and Wastewater Treatment Plant and System Operators in Missouri?
Entry-level water and wastewater treatment plant and system operatorss (10th percentile) in Missouri typically earn around $37,480 per year. Workers at the 25th percentile earn approximately $45,510 per year.
What is the highest Water and Wastewater Treatment Plant and System Operators salary in Missouri?
Top earners (90th percentile) in this occupation in Missouri make approximately $69,580 per year. Those in the 75th percentile earn around $58,860 per year.
How does the Missouri 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 Missouri is $52,990, which is -9% below national average of $58,260.