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?

Inspectors will ask you where and when your watercraft was last used.

Zebra and quagga mussels can create long-term taste and odor issues in drinking water supplies and clog water intake structures.

It only takes one plant fragment to start a new population of Eurasian watermilfoil.

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

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.