Harmful Algal Bloom (HAB) Event Information
Bloom Code 25-3438-B1
Where
Water Body Cayuga Lake
Latitude and Longitude 42.611111, -76.68
Segment Lakeshore Segment Southwest 9: Frontenac Point to Lively Run
County Seneca
Extent Large Localized
When
Bloom Reported July 08, 2025 05:15 PM
Bloom Sampled July 08, 2025 05:15 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: Cloudy and 78 with intermittent sprinkles throughout the day Part of western shoreline bloom event

Weather
Weather Cloudy
Wind speed
Wind direction
Water Temp
Air Temp