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Water and Wastewater Treatment Plant and System Operators Salary in Massachusetts
Last updated: 2025 BLS data · Page refreshed:
How much do Water and Wastewater Treatment Plant and System Operators make in Massachusetts?
Last updated: 2025 data from the Bureau of Labor Statistics
$68,550
Median Annual Salary
▲
+4.5% vs 2024
$69,900
Mean Salary
$68,550
Median Salary
$32.96
Hourly Rate
2,510 people work as Water and Wastewater Treatment Plant and System Operators in Massachusetts
Water and Wastewater Treatment Plant and System Operators salary by percentile in Massachusetts
BLS-reported salary distribution — from entry-level (10th percentile) to top earners (90th percentile).
Water and Wastewater Treatment Plant and System Operators in Massachusetts earn a median salary of $68,550 per year ($5,712/month).
This is 14.3% above the national average of $59,966.
Massachusetts ranks #9 out of 50 states for Water and Wastewater Treatment Plant and System Operators pay.
Approximately 2,510 people work in this occupation across Massachusetts.
Salaries increased by 4.5% 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 Massachusetts
Salaries for Water and Wastewater Treatment Plant and System Operators in Massachusetts range from $50,980 at the 10th percentile (entry level) to $91,390 at the 90th percentile (experienced). The middle 50% earn between $60,120 and $79,050.
Median $68,550
P10: $50,980P25: $60,120P75: $79,050P90: $91,390
10th
$50,980
25th
$60,120
Median
$68,550
75th
$79,050
90th
$91,390
Percentile
Annual Salary
Hourly Rate
Monthly
10th Percentile (Entry Level)
$50,980
$24.51
$4,248
25th Percentile
$60,120
$28.90
$5,010
Median (50th)
$68,550
$32.96
$5,712
75th Percentile
$79,050
$38.00
$6,587
90th Percentile (Experienced)
$91,390
$43.94
$7,615
Note: The mean (average) salary of $69,900 differs from the median because salary distributions are typically skewed by high earners.
📊 How Does This Compare?
#9
Massachusetts ranks #9 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 Massachusetts?
The median annual salary for Water and Wastewater Treatment Plant and System Operators in Massachusetts is $68,550 as of 2025. The average (mean) salary is $69,900.
What is the salary range for a Water and Wastewater Treatment Plant and System Operators in Massachusetts?
Salaries for Water and Wastewater Treatment Plant and System Operators in Massachusetts range from $50,980 at the 10th percentile to $91,390 at the 90th percentile. The middle 50% earn between $60,120 and $79,050.
What is the starting salary for a Water and Wastewater Treatment Plant and System Operators in Massachusetts?
Entry-level Water and Wastewater Treatment Plant and System Operators positions in Massachusetts typically start around $50,980 (10th percentile). With some experience, salaries rise to $60,120 (25th percentile).
How many people work as Water and Wastewater Treatment Plant and System Operators in Massachusetts?
According to 2025 BLS data, approximately 2,510 people are employed as Water and Wastewater Treatment Plant and System Operators in Massachusetts.
What is the hourly rate for a Water and Wastewater Treatment Plant and System Operators in Massachusetts?
Based on a standard 2,080-hour work year, the median hourly rate for a Water and Wastewater Treatment Plant and System Operators in Massachusetts is approximately $32.96 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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