Harmful Algal Bloom (HAB) Event Information
Bloom Code 25-3439-B1
Where
Water Body Cayuga Lake
Latitude and Longitude 42.6402, -76.69222
Segment Lakeshore Segment Southwest 10: Lively Run to Sheldrake Point
County Seneca
Extent Large Localized
When
Bloom Reported July 08, 2025 05:15 PM
Bloom Sampled July 08, 2025 05:25 PM
Microscopic Examination July 09, 2025
What
Bloom Genera [1]
Microscopy Present Dominant
Dolichospermum

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: Overcast/ 75 degrees /calm /one dead fish @ Cayuga Shoreline Part of western shoreline bloom event

Weather
Weather Cloudy
Wind speed
Wind direction
Water Temp
Air Temp