Harmful Algal Bloom (HAB) Event Information
Bloom Code 24-3474-B4
Where
Water Body Cayuga Lake
Latitude and Longitude 42.843784, -76.698039
Segment Lakeshore Segment Northeast 4: Frontenac Park
County Cayuga
Extent Widespread
When
Bloom Reported September 17, 2024 11:35 AM
Bloom Sampled September 17, 2024 11:42 AM
Microscopic Examination September 18, 2024 12:00 AM
What
Bloom Genera [1]
Microscopy Present Dominant
Microcystis
Aphanocapsa

Bloom Chemistry
Total Chlorophyll a 462.0 ug/L
Total Microcystin and Nodularins (EPA 546) [2] 178.0 ug/L
[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

Believed to be part of a larger mid-lake HAB that's been persisting since 9/13/24 at least. Northern extent Village of Cayuga, southern extent past Long Point State Park, western extent unknown, eastern extent is the shoreline.

Weather
Weather Sunny
Wind speed
Wind direction
Water Temp
Air Temp