Harmful Algal Bloom (HAB) Event Information
Bloom Code 25-3459-B4
Where
Water Body Cayuga Lake
Latitude and Longitude 42.851, -76.71
Segment Lakeshore Segment Northeast 3: Harris Park to Frontenac Park
County Cayuga
Extent Widespread
When
Bloom Reported September 08, 2025 01:30 PM
Bloom Sampled September 08, 2025 01:30 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: This cove faces the north and the lake shore had green threads with patchy dense HAB. All properties in this cove had HAB. 64 degrees, 76% cloud cover, winds 2-5mph sw, very windy on 9/07/2025.

Weather
Weather
Wind speed
Wind direction
Water Temp
Air Temp