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?

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

If you get a wire seal attached to your boat and trailer when leaving Lake Whatcom, and then come back to Lake Whatcom another day with the tether still intact, will you need to stop at a staffed inspection station?

Zebra and quagga mussels impact recreational opportunities by:

Do you need to purchase an AIS permit at the beginning of each year's boating season?

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