Question 1 of 7

Zebra and Quagga mussels are already present in Whatcom County lakes?

Question 2 of 7

You decide to take your boat from Lake Samish to Lake Terrell. How can you help prevent the spread of Asian clams between these two lakes?

Question 3 of 7

Zebra and quagga mussels impact recreational opportunities by:

Question 4 of 7

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

Question 5 of 7

What is the best way to dispose of aquatic plant fragments that you remove from your boat?

Question 6 of 7

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.

Question 7 of 7

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