What are the three important steps for preventing the spread of aquatic invasive species that should be done every time you go boating?

Cleaning and drying are necessary for which of the following?

If you get a wire seal attached to your boat and trailer when leaving Lake Whatcom, and then come back to Lake Whatcom another day with the tether still intact, will you need to stop at a staffed inspection station?

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.

No aquatic invasive plants have been found to be growing in Lake Whatcom.

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?