Harmful Algal Bloom (HAB) Event Information
Bloom Code 25-3405-B3
Where
Water Body Cayuga Lake
Latitude and Longitude 42.82107, -76.70795
Segment Lakeshore Segment Northeast 5: Frontenac Park to Ellis Point
County Cayuga
Extent Widespread
When
Bloom Reported August 31, 2025 11:00 AM
Bloom Sampled August 31, 2025 11:00 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: HAB found in mid lake waters, west and south of Farley's Point, viewed by boat cool but sunny, very cool nights. Light wind from SW. Other note: we received an email about a HAB in Carr's Cove from a community member. They have not filled out a report yet, so it will not be documented on its own. However likely related to this bloom.

Weather
Weather Sunny
Wind speed
Wind direction
Water Temp
Air Temp