Traveling with plants attached to your boat/trailer in Washington State is:

How do quagga and zebra mussels spread from an affected water body to another water body?

Cleaning and drying are necessary for which of the following?

Boating is a primary pathway for the introduction and spread of aquatic invasive species to and from Whatcom County lakes.

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?

Eurasian watermilfoil has NOT been found growing in any lake in Whatcom County.