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How much does a Water treatment plant operator make in Mason City, IL?
$55,021
/ Annual
Based on 1683 salaries
The average water treatment plant operator salary in Mason City, IL is $55,021 per year or $26.45 per hour. Entry level positions start at $44,093 per year while most experienced workers make up to $74,144 per year.
Median
$55,021
chart
Low
$44,093
High
$74,144

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