Harmful Algal Bloom (HAB) Event Information
Bloom Code 25-3473-B10
Where
Water Body Cayuga Lake
Latitude and Longitude 42.62994, -76.68831
Segment Lakeshore Segment Southwest 9: Frontenac Point to Lively Run
County Seneca
Extent Large Localized
When
Bloom Reported October 14, 2025 12:30 PM
Bloom Sampled October 14, 2025 12:30 PM
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: Lively run creek mouth is again full of HABs. The picture I sent are from some properties just south of the creek. The HABs along the shoreline is spotty. It skips some shoreline, then appears in front of a few cottages, then disappears again.

Weather
Weather
Wind speed
Wind direction
Water Temp
Air Temp