Harmful Algal Bloom (HAB) Event Information
Bloom Code 25-3485-B2
Where
Water Body Cayuga Lake
Latitude and Longitude 42.51703, -76.55037
Segment Lakeshore Segment Southwest 4: Glenwood Point to Crowbar Point
County Tompkins
Extent Small Localized (few properties)
When
Bloom Reported October 01, 2025 10:55 AM
Bloom Sampled October 01, 2025 10:55 AM
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: Bloom was in a small area sheltered from the wind with no wave action, under and around overhanging bushes. Very small bloom, mostly a very light layer of speckles scattered on the surface of the water

Weather
Weather Sunny
Wind speed
Wind direction
Water Temp
Air Temp