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How much does a Wastewater treatment operator make in Illinois?
$56,921
/ Annual
Based on 55 salaries
The average wastewater treatment operator salary in Illinois is $56,921 per year or $27.37 per hour. Entry level positions start at $47,000 per year while most experienced workers make up to $74,430 per year.
Median
$56,921
chart
Low
$47,000
High
$74,430

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