Harmful Algal Bloom (HAB) Event Information
Bloom Code 25-3482-B6
Where
Water Body Cayuga Lake
Latitude and Longitude 42.7692567, -76.7687139
Segment Lakeshore Segment Northwest 3: Deans Cove to Schuyler Creek
County Seneca
Extent Large Localized
When
Bloom Reported July 16, 2025 10:00 AM
Bloom Sampled July 16, 2025 10:00 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 reports: Sunny, very hot, humid and dry today and for the last 48 hours. No noticeable die-off. Uncertain if this is a new event or a continuation of the event reported on July 9, 2025.

Weather
Weather Sunny
Wind speed
Wind direction
Water Temp
Air Temp