Aquatic Invasive Species Program

Greeter Program Resources Quick Link

Report an aquatic invasive species sighting in Vermont at (802) 828-1115

Aquatic invasive species are nonnative species whose introduction can cause harm to the environment, economy, and even human health. They can sometimes be confused with nuisance species. While nuisance species can have similar impacts, they are native. The Vermont Aquatic Invasive Species Program coordinates management activities associated with both aquatic invasive and nuisance species. View program highlights in the 2020 Aquatic Invasive Species Annual Update. AIS population information, management actions, and spread prevention efforts can also be viewed geographically on the AIS Map.

Follow the links below for more information:

Below is a list of our high-priority invasive and nuisance species. Click on an image for more information. The complete list of aquatic invaders threatening Vermont can be found in our Gallery of Invaders.

Water Chestnut          Eurasian Water-Milfoil          Variable Leaf Milfoil          Hydrilla          Starry Stonewort          Purple Loosestrife          Zebra Mussel          Spiny Waterflea          Asian Clam          Rusty Crayfish          Didymo          Alewife

What is being done in Vermont?Small clean boats sign

•             Vermont DEC provides educational materials including pamphlets and newsletters, slide shows, identification posters,  public access signage, and provides technical assistance to towns, waterbody associations, and other interested parties.

•             Monitoring efforts designed to detect new populations of invasive plants and animals are ongoing by governmental entities and by the Vermont Invasive Patrollers (VIP) Program, which is a citizen-based early detection program. VIPs are volunteers who are trained to search water bodies for new infestations.

•             Funding for aquatic invasive species management projects is available from Vermont DEC and from outside sources.

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•             Various control efforts for invasive species have been implemented and are continuing across Vermont. Please see our guide for aquatic plant management to learn about management options for nuisance vegetation growth.

•             Spread prevention projects designed at containing further AIS spread are ongoing. The Vermont Public Access Greeter Program helps to educate boaters and provide courtesy watercraft inspections to prevent invasive plants and animals from spreading from one waterbody to another.

•             There are multiple Vermont state laws that restrict invasive species transport and are aimed to stop new introductions.


Before moving boats between waterbodies:Stop aquatic hitchhikers logo

  • CLEAN off any mud, plants, and animals from boat, trailer, motor and other equipment. Discard removed material in a trash receptacle or on high, dry ground where there is no danger of them washing into any water body.
  • DRAIN all water from boat, boat engine, and other equipment away from the water.
  • DRY anything that comes into contact with the water.  Drying boat, trailer and equipment in the sun for at least five days is recommended if rinsing your boat, trailer parts and other equipment with hot, high pressure water is not an option.

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