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How much does a Water treatment plant operator make in Mason City, IL?
$54,983
/ Annual
Based on 1683 salaries
The average water treatment plant operator salary in Mason City, IL is $54,983 per year or $26.43 per hour. Entry level positions start at $44,127 per year while most experienced workers make up to $74,145 per year.
Median
$54,983
chart
Low
$44,127
High
$74,145

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