Water and Wastewater Treatment Plant and System Operators Salary in West Central Illinois

BLS Occupational Employment & Wage Statistics • May 2025 • West Central Illinois nonmetropolitan area

Median annual salary $57,460 -1.4% vs national
Median hourly $27.63
10th percentile $36,560
90th percentile $65,690
Employed locally 360
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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West Central Illinois
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    Salary percentile breakdown

    10th
    $36,560
    25th
    $47,200
    50th (median)
    $57,460
    75th
    $62,870
    90th
    $65,690

    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 West Central Illinois

    OccupationMedian salary
    Miscellaneous Assemblers and Fabricators $45,670
    Welders, Cutters, Solderers, and Brazers $49,180
    First-Line Supervisors of Production and Operating Workers $64,330
    Packaging and Filling Machine Operators and Tenders $48,990
    Inspectors, Testers, Sorters, Samplers, and Weighers $46,740
    Machinists $47,990

    Frequently asked questions

    How much do Water and Wastewater Treatment Plant and System Operators make per hour in West Central Illinois?

    The median hourly wage for Water and Wastewater Treatment Plant and System Operators in West Central Illinois is $27.63, based on BLS OEWS 2025 data. Top earners (90th percentile) make $35.62 or more per hour.

    Is West Central Illinois 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 West Central Illinois is 1.4% 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 West Central Illinois?

    Entry-level Water and Wastewater Treatment Plant and System Operators (10th percentile) earn around $36,560 per year in West Central Illinois. The 25th percentile — typically workers with 1–3 years of experience — earn approximately $47,200.