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Water and Wastewater Treatment Plant and System Operators Salary in Wisconsin
Last updated: 2025 BLS data · Page refreshed:
How much do Water and Wastewater Treatment Plant and System Operators make in Wisconsin?
Last updated: 2025 data from the Bureau of Labor Statistics
$63,550
Median Annual Salary
▲
+1.9% vs 2024
$64,070
Mean Salary
$63,550
Median Salary
$30.55
Hourly Rate
2,230 people work as Water and Wastewater Treatment Plant and System Operators in Wisconsin
Water and Wastewater Treatment Plant and System Operators salary by percentile in Wisconsin
BLS-reported salary distribution — from entry-level (10th percentile) to top earners (90th percentile).
Water and Wastewater Treatment Plant and System Operators in Wisconsin earn a median salary of $63,550 per year ($5,295/month).
This is 6.0% above the national average of $59,966.
Wisconsin ranks #15 out of 50 states for Water and Wastewater Treatment Plant and System Operators pay.
Approximately 2,230 people work in this occupation across Wisconsin.
Salaries increased by 1.9% compared to 2024.
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)
Salary Range: Water and Wastewater Treatment Plant and System Operators in Wisconsin
Salaries for Water and Wastewater Treatment Plant and System Operators in Wisconsin range from $50,340 at the 10th percentile (entry level) to $78,790 at the 90th percentile (experienced). The middle 50% earn between $54,860 and $72,610.
Median $63,550
P10: $50,340P25: $54,860P75: $72,610P90: $78,790
10th
$50,340
25th
$54,860
Median
$63,550
75th
$72,610
90th
$78,790
Percentile
Annual Salary
Hourly Rate
Monthly
10th Percentile (Entry Level)
$50,340
$24.20
$4,195
25th Percentile
$54,860
$26.38
$4,571
Median (50th)
$63,550
$30.55
$5,295
75th Percentile
$72,610
$34.91
$6,050
90th Percentile (Experienced)
$78,790
$37.88
$6,565
Note: The mean (average) salary of $64,070 differs from the median because salary distributions are typically skewed by high earners.
📊 How Does This Compare?
#15
Wisconsin ranks #15 of 50 states
$59,966
National avg. for Water and Wastewater Treatment Plant and System Operators
How much do Water and Wastewater Treatment Plant and System Operators make in Wisconsin?
The median annual salary for Water and Wastewater Treatment Plant and System Operators in Wisconsin is $63,550 as of 2025. The average (mean) salary is $64,070.
What is the salary range for a Water and Wastewater Treatment Plant and System Operators in Wisconsin?
Salaries for Water and Wastewater Treatment Plant and System Operators in Wisconsin range from $50,340 at the 10th percentile to $78,790 at the 90th percentile. The middle 50% earn between $54,860 and $72,610.
What is the starting salary for a Water and Wastewater Treatment Plant and System Operators in Wisconsin?
Entry-level Water and Wastewater Treatment Plant and System Operators positions in Wisconsin typically start around $50,340 (10th percentile). With some experience, salaries rise to $54,860 (25th percentile).
How many people work as Water and Wastewater Treatment Plant and System Operators in Wisconsin?
According to 2025 BLS data, approximately 2,230 people are employed as Water and Wastewater Treatment Plant and System Operators in Wisconsin.
What is the hourly rate for a Water and Wastewater Treatment Plant and System Operators in Wisconsin?
Based on a standard 2,080-hour work year, the median hourly rate for a Water and Wastewater Treatment Plant and System Operators in Wisconsin is approximately $30.55 per hour.
Salary data is sourced from the U.S. Bureau of Labor Statistics (BLS) Occupational Employment and Wage Statistics (OEWS) survey, 2025 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.
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