Harmful Algal Bloom (HAB) Event Information
Bloom Code 25-3435-B30
Where
Water Body Cayuga Lake
Latitude and Longitude 42.54743, -76.59773
Segment Lakeshore Segment Southwest 7: Taughannock Falls State Park
County Tompkins
Extent Small Localized (few properties)
When
Bloom Reported November 07, 2025 09:26 AM
Bloom Sampled
Microscopic Examination
What
Bloom Genera [1]
Microscopy Present Dominant

Bloom Chemistry
[1] Genera - plural of genus, a category of classification in biology that ranks between the family level and the species level. Because there are many different species of bacteria that are difficult to distinguish, it is more useful to classify bacteria by genus rather than species.
[2] Microcystin
Map of HAB event
Bloom Description

Volunteer reported: Trace amount of HAB in the usual corner of the marina. Temps in the 30s, strong wind and choppy water.

Weather
Weather
Wind speed
Wind direction
Water Temp
Air Temp