Harmful Algal Bloom (HAB) Event Information
Bloom Code 25-3402-B3
Where
Water Body Cayuga Lake
Latitude and Longitude 42.9043, -76.72393
Segment Lakeshore Segment Northeast 3: Harris Park to Frontenac Park
County Cayuga
Extent Small Localized (few properties)
When
Bloom Reported September 08, 2025 03:00 PM
Bloom Sampled September 08, 2025 03:00 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: I have 180’ of shoreline. Denser as it goes to the southern end. Sunny. Very little breeze or water movement. Had up to 40mph gusts over the weekend

Weather
Weather
Wind speed
Wind direction
Water Temp
Air Temp