Harmful Algal Bloom (HAB) Event Information
Bloom Code 26-NE3-B1
Where
Water Body Cayuga Lake
Latitude and Longitude 42.90432, -76.72393
Segment Lakeshore Segment Northeast 3: Harris Park to Frontenac Park
County Cayuga
Extent Small Localized (few properties)
When
Bloom Reported April 23, 2026 04:07 PM
Bloom Sampled April 23, 2026 05:25 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

Extremely early season HAB observed at the northern end of Cayuga Lake. The volunteer was able to collect a small sample for microscopy analysis (pending). She noted that the bloom dispersed in approximately 1.5 hours from the time she observed it.

Weather
Weather
Wind speed
Wind direction
Water Temp
Air Temp