Harmful Algal Bloom (HAB) Event Information
Bloom Code 25-3408-B3
Where
Water Body Cayuga Lake
Latitude and Longitude 42.74508, -76.70064
Segment Lakeshore Segment Northeast 7: Wells College Boathouse
County Cayuga
Extent Widespread
When
Bloom Reported September 18, 2025 03:45 PM
Bloom Sampled September 18, 2025 03:45 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: Sunny, warm, some high clouds, light breeze. Bloom present the entire length of zone 3408, densest close to shore.

Weather
Weather Sunny
Wind speed
Wind direction
Water Temp
Air Temp