Aquatic Invasive Species

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Courtesy Decontamination

DNR employee spraying a boat at a courtesy decontamination site

Courtesy Decontamination
Site Map

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Boaters can have courtesy decontaminations done at dozens of locations around the state. The decontamination units and DNR-authorized watercraft inspectors can help you comply with invasive species laws and reduce the risk of spreading aquatic invasive species.

The map shows scheduled decontamination locations. The calendar feature searches availability on specific days. Additional dates will be added as the season progresses.

Courtesy Decontaminations: What to expect

Before your visit

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