Water and Wastewater Treatment Plant and System Operators Salary in Maryland

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

Median annual salary $49,350 -15.3% vs national
Median hourly $23.72
10th percentile $38,380
90th percentile $67,600
Employed locally 170
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
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    Salary percentile breakdown

    10th
    $38,380
    25th
    $41,330
    50th (median)
    $49,350
    75th
    $60,340
    90th
    $67,600

    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 Maryland

    OccupationMedian salary
    Food Processing Workers, All Other $36,950
    Miscellaneous Assemblers and Fabricators $38,290
    First-Line Supervisors of Production and Operating Workers $65,980
    Welders, Cutters, Solderers, and Brazers $49,280
    Production Workers, All Other $39,100
    Packaging and Filling Machine Operators and Tenders $37,180

    Frequently asked questions

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

    The median hourly wage for Water and Wastewater Treatment Plant and System Operators in Maryland is $23.72, based on BLS OEWS 2025 data. Top earners (90th percentile) make $33.91 or more per hour.

    Is Maryland 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 Maryland is 15.3% below 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 Maryland?

    Entry-level Water and Wastewater Treatment Plant and System Operators (10th percentile) earn around $38,380 per year in Maryland. The 25th percentile — typically workers with 1–3 years of experience — earn approximately $41,330.