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Water and Wastewater Treatment Plant and System Operators Salary in Missouri

How much does a Water and Wastewater Treatment Plant and System Operators make in Missouri?

Last updated: 2024 data from the Bureau of Labor Statistics

$52,990
Median Annual Salary
$53,900
Mean Salary
$52,990
Median Salary
$25.48
Hourly Rate
2,700 people work as Water and Wastewater Treatment Plant and System Operators in Missouri

About This Job: Water and Wastewater Treatment Plant and System Operators

Operate or control an entire process or system of machines, often through the use of control boards, to transfer or treat water or wastewater.

Top Skills

Operations Monitoring
3.88
Operation and Control
3.75
Monitoring
3.62
Active Listening
3.38
Quality Control Analysis
3.38

Key Knowledge Areas

Chemistry
3.98
Biology
3.9
Mechanical
3.89
Mathematics
3.62
Public Safety and Security
3.48
Typical Education: High School Diploma or Equivalent (41.8% of workers)

Source: O*NET OnLine, U.S. Department of Labor

Salary Range: Water and Wastewater Treatment Plant and System Operators in Missouri

Salaries for Water and Wastewater Treatment Plant and System Operators in Missouri range from $37,480 at the 10th percentile (entry level) to $69,580 at the 90th percentile (experienced). The middle 50% earn between $45,510 and $58,860.

Median $52,990
P10: $37,480 P25: $45,510 P75: $58,860 P90: $69,580
10th
$37,480
25th
$45,510
Median
$52,990
75th
$58,860
90th
$69,580
Percentile Annual Salary Hourly Rate Monthly
10th Percentile (Entry Level) $37,480 $18.02 $3,123
25th Percentile $45,510 $21.88 $3,792
Median (50th) $52,990 $25.48 $4,415
75th Percentile $58,860 $28.30 $4,905
90th Percentile (Experienced) $69,580 $33.45 $5,798

Note: The mean (average) salary of $53,900 differs from the median because salary distributions are typically skewed by high earners.

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What does this salary really buy? See Water and Wastewater Treatment Plant and System Operators salary in Missouri adjusted for cost of living →

Water and Wastewater Treatment Plant and System Operators Salary by State

Compare Water and Wastewater Treatment Plant and System Operators pay across states — sorted by highest median salary.

California $82,100 Nevada $79,140 Washington $78,810 Alaska $76,910 New Jersey $75,200 Connecticut $74,450 Minnesota $70,470 Colorado $68,220 New Hampshire $66,240 Hawaii $65,800

View all 50 states →

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Frequently Asked Questions

How much does a Water and Wastewater Treatment Plant and System Operators make in Missouri?
The median annual salary for a Water and Wastewater Treatment Plant and System Operators in Missouri is $52,990 as of 2024. The average (mean) salary is $53,900.
What is the salary range for a Water and Wastewater Treatment Plant and System Operators in Missouri?
Salaries for Water and Wastewater Treatment Plant and System Operators in Missouri range from $37,480 at the 10th percentile to $69,580 at the 90th percentile. The middle 50%% earn between $45,510 and $58,860.
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 Operators positions in Missouri typically start around $37,480 (10th percentile). With some experience, salaries rise to $45,510 (25th percentile).
How many people work as Water and Wastewater Treatment Plant and System Operators in Missouri?
According to 2024 BLS data, approximately 2,700 people are employed as Water and Wastewater Treatment Plant and System Operators in Missouri.
What is the hourly rate for a Water and Wastewater Treatment Plant and System Operators in Missouri?
Based on a standard 2,080-hour work year, the median hourly rate for a Water and Wastewater Treatment Plant and System Operators in Missouri is approximately $25.48 per hour.

Data Source & Methodology

Salary data is sourced from the U.S. Bureau of Labor Statistics (BLS) Occupational Employment and Wage Statistics (OEWS) survey, 2024 estimates. The OEWS survey covers approximately 1.1 million establishments nationwide.

Annual salaries are calculated based on a standard 2,080-hour work year. Actual compensation may vary based on experience, education, employer, and local market conditions. Figures do not include benefits, bonuses, or overtime pay.

Our Methodology · Data Sources · Source: BLS OEWS