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

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

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?

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.

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

All of our education and outreach efforts are designed to help the public to understand the threat that invasive species pose to Whatcom County waters and steps they can take to help prevent their spread.