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.

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.

If you boat on a lake infested with Eurasian watermilfoil or other aquatic weeds, what is the best way to prevent the plants from spreading somewhere else?

Once an aquatic invasive species becomes established in a waterbody, it becomes increasingly difficult and costly to manage the population.

In the state of Washington you can be fined for towing a boat/trailer on the road with plant fragments attached.

How can Asian clams be transported between waterbodies?