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 impact recreational opportunities by:

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.

Eurasian watermilfoil has NOT been found growing in any lake in Whatcom County.

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

Zebra and quagga mussels attach themselves to hard surfaces tightly like superglue and are very difficult to remove without high pressure, hot water.