Harmful Algal Bloom (HAB) Event Information
Bloom Code 25-3476-B2
Where
Water Body Cayuga Lake
Latitude and Longitude 42.6699078, -76.7101867
Segment Lakeshore Segment Northwest 1: Sheldrake Point to Deans Cove
County Seneca
Extent Large Localized
When
Bloom Reported July 09, 2025 02:00 PM
Bloom Sampled July 09, 2025 02:00 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 Reports: Lake was clear this morning after substantial bloom yesterday. Started to appear in streaks late morning before full bloom. Part of ongoing western shoreline bloom event.

Weather
Weather
Wind speed
Wind direction
Water Temp
Air Temp