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

The goal of decontamination is to kill and remove all evidence of aquatic invasive species using high-pressure, hot water.

Cleaning and drying are necessary for which of the following?

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

If a bait well or a hold on your boat has water in it, but the water looks clean, do you still need to drain and dry the hold before launching your boat?

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.