The NY DEC published a guide on how to protect and prevent invasive species leaving a body of water and/or how to prevent them from entering a lake via proper cleaning of boats:

How to "disinfect" your boat

The Hydrilla weed is the newest species to threaten the Finger Lakes. To read about Hydrilla, click on the following document:

Hydrilla verticillata: What Marinas Need to Know, Sea Grant