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

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.

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

Zebra and quagga mussels impact recreational opportunities by:

What are inspectors looking and feeling for when they conduct a physical watercraft inspection?