Water and Wastewater Treatment Plant and System Operators Salary in Northeastern Wisconsin

BLS Occupational Employment & Wage Statistics • May 2025 • Northeastern Wisconsin nonmetropolitan area

Median annual salary $61,630 +5.8% vs national
Median hourly $29.63
10th percentile $40,920
90th percentile $73,840
Employed locally 240
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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Northeastern Wisconsin
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    Salary percentile breakdown

    10th
    $40,920
    25th
    $51,060
    50th (median)
    $61,630
    75th
    $70,350
    90th
    $73,840

    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 Northeastern Wisconsin

    OccupationMedian salary
    Miscellaneous Assemblers and Fabricators$44,510
    First-Line Supervisors of Production and Operating Workers$68,950
    Welders, Cutters, Solderers, and Brazers$54,070
    Machinists$49,810
    Food Batchmakers$45,580
    Inspectors, Testers, Sorters, Samplers, and Weighers$48,600

    Frequently asked questions

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

    The median hourly wage for Water and Wastewater Treatment Plant and System Operators in Northeastern Wisconsin is $29.63, based on BLS OEWS 2025 data. Top earners (90th percentile) make $36.74 or more per hour.

    Is Northeastern Wisconsin 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 Northeastern Wisconsin is 5.8% 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 Northeastern Wisconsin?

    Entry-level Water and Wastewater Treatment Plant and System Operators (10th percentile) earn around $40,920 per year in Northeastern Wisconsin. The 25th percentile — typically workers with 1–3 years of experience — earn approximately $51,060.