Harmful Algal Bloom (HAB) Event Information
Bloom Code 25-3400-B17
Where
Water Body Cayuga Lake
Latitude and Longitude 42.8042, -76.7584
Segment Lakeshore Segment Northwest 4: Schuyler Creek to Canoga Creek
County Seneca
Extent Large Localized
When
Bloom Reported September 25, 2025 11:25 AM
Bloom Sampled September 25, 2025 11:25 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 reported: HAB was there the evening before too (9/24)

Weather
Weather Raining
Wind speed
Wind direction
Water Temp
Air Temp