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Water and Wastewater Treatment Plant and System Operators Salary in Washington

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

Last updated: 2024 data from the Bureau of Labor Statistics

$78,810
Median Annual Salary
$78,520
Mean Salary
$78,810
Median Salary
$37.89
Hourly Rate
1,950 people work as Water and Wastewater Treatment Plant and System Operators in Washington

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 Washington

Salaries for Water and Wastewater Treatment Plant and System Operators in Washington range from $54,990 at the 10th percentile (entry level) to $101,450 at the 90th percentile (experienced). The middle 50% earn between $64,880 and $92,520.

Median $78,810
P10: $54,990 P25: $64,880 P75: $92,520 P90: $101,450
10th
$54,990
25th
$64,880
Median
$78,810
75th
$92,520
90th
$101,450
Percentile Annual Salary Hourly Rate Monthly
10th Percentile (Entry Level) $54,990 $26.44 $4,582
25th Percentile $64,880 $31.19 $5,406
Median (50th) $78,810 $37.89 $6,567
75th Percentile $92,520 $44.48 $7,710
90th Percentile (Experienced) $101,450 $48.77 $8,454

Note: The mean (average) salary of $78,520 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 Washington 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 Alaska $76,910 New Jersey $75,200 Connecticut $74,450 Minnesota $70,470 Colorado $68,220 New Hampshire $66,240 Hawaii $65,800 Massachusetts $65,620

View all 50 states →

Related Careers in Washington

Explore similar occupations and their salaries in Washington.

Cutters and Trimmers, HandSimilar $36,050 Pressers, Textile, Garment, and Related MaterialsSimilar $38,260 Laundry and Dry-Cleaning WorkersSimilar $39,220 Meat, Poultry, and Fish Cutters and TrimmersSimilar $39,660 Cleaning, Washing, and Metal Pickling Equipment Operators and TendersSimilar $39,790 Textile Cutting Machine Setters, Operators, and TendersSimilar $40,120 Packaging and Filling Machine Operators and TendersSimilar $40,580 Textile Winding, Twisting, and Drawing Out Machine Setters, Operators, and TendersSimilar $40,900 Sewing Machine OperatorsSimilar $41,530 Food Processing Workers, All OtherSimilar $42,630

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Frequently Asked Questions

How much does a Water and Wastewater Treatment Plant and System Operators make in Washington?
The median annual salary for a Water and Wastewater Treatment Plant and System Operators in Washington is $78,810 as of 2024. The average (mean) salary is $78,520.
What is the salary range for a Water and Wastewater Treatment Plant and System Operators in Washington?
Salaries for Water and Wastewater Treatment Plant and System Operators in Washington range from $54,990 at the 10th percentile to $101,450 at the 90th percentile. The middle 50%% earn between $64,880 and $92,520.
What is the starting salary for a Water and Wastewater Treatment Plant and System Operators in Washington?
Entry-level Water and Wastewater Treatment Plant and System Operators positions in Washington typically start around $54,990 (10th percentile). With some experience, salaries rise to $64,880 (25th percentile).
How many people work as Water and Wastewater Treatment Plant and System Operators in Washington?
According to 2024 BLS data, approximately 1,950 people are employed as Water and Wastewater Treatment Plant and System Operators in Washington.
What is the hourly rate for a Water and Wastewater Treatment Plant and System Operators in Washington?
Based on a standard 2,080-hour work year, the median hourly rate for a Water and Wastewater Treatment Plant and System Operators in Washington is approximately $37.89 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