Water and Wastewater Treatment Plant and System Operators Salary in Massachusetts

BLS Occupational Employment & Wage Statistics • May 2025 • Massachusetts nonmetropolitan area

Median annual salary $63,380 +8.8% vs national
Median hourly $30.47
10th percentile $49,420
90th percentile $83,340
Employed locally 60
National median $58,260

Compare Water and Wastewater Treatment Plant and System Operators salary & buying power

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Water and Wastewater Treatment Plant and System Operators
in
Massachusetts
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    Salary percentile breakdown

    10th
    $49,420
    25th
    $56,930
    50th (median)
    $63,380
    75th
    $73,610
    90th
    $83,340

    Top-paying metros for Water and Wastewater Treatment Plant and System Operators

    Metro areaMedian salary
    San Francisco-Oakland-Fremont, CA $123,390
    San Jose-Sunnyvale-Santa Clara, CA $106,440
    Vallejo, CA $101,670
    Napa, CA $99,450
    Fairbanks-College, AK $91,010
    Salinas, CA $90,610

    Related occupations in Massachusetts

    OccupationMedian salary
    First-Line Supervisors of Production and Operating Workers $74,900
    Miscellaneous Assemblers and Fabricators $46,040
    Machinists $60,860
    Inspectors, Testers, Sorters, Samplers, and Weighers $48,180
    Molders, Shapers, and Casters, Except Metal and Plastic $37,590
    Cutting, Punching, and Press Machine Setters, Operators, and Tenders, Metal and Plastic $42,980

    Frequently asked questions

    How much do Water and Wastewater Treatment Plant and System Operators make per hour in Massachusetts?

    The median hourly wage for Water and Wastewater Treatment Plant and System Operators in Massachusetts is $30.47, based on BLS OEWS 2025 data. Top earners (90th percentile) make $44.47 or more per hour.

    Is Massachusetts above or below average for Water and Wastewater Treatment Plant and System Operators salaries?

    The median Water and Wastewater Treatment Plant and System Operators salary in Massachusetts is 8.8% above the national median of $58,260. The national figure is from BLS OEWS 2025 data covering all US metropolitan areas.

    What is the entry-level salary for Water and Wastewater Treatment Plant and System Operators in Massachusetts?

    Entry-level Water and Wastewater Treatment Plant and System Operators (10th percentile) earn around $49,420 per year in Massachusetts. The 25th percentile — typically workers with 1–3 years of experience — earn approximately $56,930.