DNR Question of the Week: What are inspectors doing with pressure washers?

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The following is a Department of Natural Resources (DNR) "Question of the Week."

Question: I’ve seen DNR watercraft inspectors using big pressure washers. What are they doing?

Answer: To protect Minnesota lakes and rivers, the Legislature gave the DNR greater authority to inspect and decontaminate watercraft and other water-related equipment that is at risk of carrying aquatic invasive species, such as zebra mussels. Watercraft inspectors have been trained to implement the new inspection rules and operate three newly purchased decontamination (boat washing) units.

These portable decontamination units are capable of spraying 160-degree water at high pressure. The equipment will be used to remove zebra mussels from boat hulls and treat livewells and other areas that can harbor invasive species.

Most boats won’t need to be decontaminated with the high-pressure wash, only those boats that do not pass an inspection.

People can help by:

· Removing visible aquatic plants and zebra mussels from boats and trailers.

· Draining water from boats, livewells, bilges, and impellors by removing drain plugs and opening water draining devices.

· Draining portable bait containers.

For more information, go to www.dnr.state.mn.us/invasives .

-Heidi Wolf, DNR Watercraft Inspection Program supervisor

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