Inspectors rely on both your answers to survey questions as well as a visual and physical inspection of the watercraft to make their risk determination.

If you boat on a lake infested with Eurasian watermilfoil or other aquatic weeds, what is the best way to prevent the plants from spreading somewhere else?

Aquatic invasive species can cause long-term taste and odor issues in drinking water supplies.

Adult quagga and zebra mussels can survive out of the water for up to 30 days.

In the state of Washington you can be fined for towing a boat/trailer on the road with plant fragments attached.

People who live on Lake Whatcom or Lake Samish and keep their boat on the lake and never take it anywhere else do not need to buy an AIS Permit or to get their watercraft inspected.