Quagga and zebra mussels came to North America in the ballast tanks and on the anchor chains of large, transoceanic ships that entered the Great Lakes.

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

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

The goal of the Aquatic Invasive Species (AIS) Program is to protect Whatcom County's natural resources, infrastructure, recreation, wildlife, and economy from the impacts of aquatic invasive species by:

Aquatic invasive species can clog water intake pipes and impede the flow of water to municipal water supplies, irrigation operations, and power plants.

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