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How much does a Water treatment plant operator make in Columbia, MD?
$61,289
/ Annual
Based on 29 salaries
The average water treatment plant operator salary in Columbia, MD is $61,289 per year or $29.47 per hour. Entry level positions start at $44,616 per year while most experienced workers make up to $68,505 per year.
Median
$61,289
chart
Low
$44,616
High
$68,505

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