Water and Wastewater Treatment Plant and System Operators Salary in Hawaii / Kauai

BLS Occupational Employment & Wage Statistics • May 2025 • Hawaii / Kauai nonmetropolitan area

Median annual salary $64,420 +10.6% vs national
Median hourly $30.97
10th percentile $51,710
90th percentile $80,520
Employed locally 150
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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Hawaii / Kauai
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    Salary percentile breakdown

    10th
    $51,710
    25th
    $55,200
    50th (median)
    $64,420
    75th
    $70,070
    90th
    $80,520

    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 Hawaii / Kauai

    OccupationMedian salary
    Laundry and Dry-Cleaning Workers$43,620
    First-Line Supervisors of Production and Operating Workers$63,280
    Bakers$38,730
    Meat, Poultry, and Fish Cutters and Trimmers$43,380
    Butchers and Meat Cutters$48,010
    Food Batchmakers$38,640

    Frequently asked questions

    How much do Water and Wastewater Treatment Plant and System Operators make per hour in Hawaii / Kauai?

    The median hourly wage for Water and Wastewater Treatment Plant and System Operators in Hawaii / Kauai is $30.97, based on BLS OEWS 2025 data. Top earners (90th percentile) make $39.46 or more per hour.

    Is Hawaii / Kauai 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 Hawaii / Kauai is 10.6% 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 Hawaii / Kauai?

    Entry-level Water and Wastewater Treatment Plant and System Operators (10th percentile) earn around $51,710 per year in Hawaii / Kauai. The 25th percentile — typically workers with 1–3 years of experience — earn approximately $55,200.