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?

Inspectors will only need to do a visual inspection of the exterior of the watercraft.

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

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

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?

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.