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Salary comparison

Water and Wastewater Treatment Plant and System Operators vs. First-Line Supervisors of Production and Operating Workers: Salary Comparison (2026)

Water and Wastewater Treatment Plant and System Operatorss earn a median salary of $58,260/year, while First-Line Supervisors of Production and Operating Workerss earn $71,190/year - a difference of $12,930. First-Line Supervisors of Production and Operating Workerss earn more on average. Both salaries are based on national BLS data.

Water and Wastewater Treatment Plant and System Operators
First-Line Supervisors of Production and Operating Workers
Median salary
$58,260
$71,190
Hourly rate
$28.01/hr
$34.23/hr
Entry level (10th %)
$37,870
$45,790
Senior level (90th %)
$86,160
$106,960
Education required
Varies
Varies
U.S. employment
126,750
685,140
Job growth (10-year)
N/A
N/A
Category
Production & Manufacturing
Production & Manufacturing
Full Water and Wastewater Treatment Plant and System Operators salary breakdownView →Full First-Line Supervisors of Production and Operating Workers salary breakdownView →How to become a water and wastewater treatment plant and system operatorsGuide →How to become a first-line supervisors of production and operating workersGuide →