Harmful Algal Bloom (HAB) Event Information
Bloom Code 25-3473-B2
Where
Water Body Cayuga Lake
Latitude and Longitude 42.625911, -76.686949
Segment Lakeshore Segment Southwest 9: Frontenac Point to Lively Run
County Seneca
Extent Small Localized (few properties)
When
Bloom Reported July 09, 2025 09:00 AM
Bloom Sampled July 09, 2025 09:00 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

Community Member Reports: Calm lake with intermittent breeze from south. About 75 degrees and partly sunny. Part of western shoreline bloom event.

Weather
Weather
Wind speed
Wind direction
Water Temp
Air Temp