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How much does a Water treatment plant operator make in Union Gap, WA?
$45,157
/ Annual
Based on 26 salaries
The average water treatment plant operator salary in Union Gap, WA is $45,157 per year or $21.71 per hour. Entry level positions start at $43,004 per year while most experienced workers make up to $58,587 per year.
Median
$45,157
chart
Low
$43,004
High
$58,587

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