Harmful Algal Bloom (HAB) Event Information
Bloom Code 25-3460-B2
Where
Water Body Cayuga Lake
Latitude and Longitude 42.640106, -76.655204
Segment Lakeshore Segment Southeast 1: Elmwood Point to Lake Ridge Point
County Tompkins
Extent Widespread
When
Bloom Reported July 15, 2025 02:01 PM
Bloom Sampled July 15, 2025 02:01 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

Community member reports: hot and humid. Liquid fertilizer seen being spread about one week ago on Lake Road

Weather
Weather Cloudy
Wind speed
Wind direction
Water Temp
Air Temp