Hydrilla: An Invasive Water Weed

Hydrilla (Hydrilla verticillata), dubbed one of the world's most invasive aquatic plants, was found in the Cayuga Inlet in 2011.  The Hydrilla Task Force is working to eradication of hydrilla in the Cayuga Lake Watershed.

Farmer's market side at johnson's boat yard view toward cornell aug 10 2011

What's New

As the 2015 hydrilla season came to an end, the final water monitoring results of the season are available! This season the HTF has seen positive improvement in the status of hydrilla in the Cayuga Lake Watershed.

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Report hydrilla

Report Hydrilla Suspects!

Think you've found hydrilla among the Cayuga Lake Watershed? Report a suspect by clicking here!

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Dan munsell treman summer

How You Can Help!

Everyone can help in the fight against hydrilla. Learn more about what you can do to stop the spread of this invasive water weed.

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Allied biological 3

Management Options

There are four main management options for hydrilla: biological, chemical, mechanical, and physical.

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Florida channel cleared

Economic Impacts

Hydrilla can reduce water flow, clog or damage water control structures, reduce fish populations, and compromise recreational uses such as boating & swimming.

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Blue-Green Algae

Studies have linked invasive hydrilla to a deadly toxin produced by blue-green algae, resulting in illness and death of wild birds and domestic pets.

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Sharon Anderson
Environment Team Leader
(607) 272-2292 ext. 156

Last updated November 17, 2015