Cyanobacteria
Blue-green Algae Tips for Lake Users

Report a Blue-Green Algae Bloom

Call: 1-800-439-8550
E-mail: AHS.VDHBlueGreenAlgae@state.vt.us

Not all blue-green algae produce toxins, however there is no way to tell just by looking at them.

Blooms generally have the following properties:

 

Check current lake conditions

For much of the year, Lake Champlain is safe to swim in, but it is important to be aware of algae blooms. Blue-green algae blooms usually don’t occur until July, and are most common in August and September.

If the water is clear and the shoreline is free from green or brown scum, the water is probably safe to swim in. If there is a heavy greenish scum on the water or shore, it is probably best to avoid these areas until they are clear.

Take precautions for your pets too

When in Doubt, Stay Out (16 sec)
Video from the Environmental Protection Agency

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