Harmful Algal Bloom (HAB) Event Information
Bloom Code 25-3416-B4
Where
Water Body Cayuga Lake
Latitude and Longitude 42.61722, -76.64325
Segment Lakeshore Segment Southeast 1: Elmwood Point to Lake Ridge Point
County Cayuga
Extent Large Localized
When
Bloom Reported September 29, 2025 05:00 PM
Bloom Sampled September 29, 2025 05:00 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

Community member reported: Shoreline of Cayuga Shores (Bell Station), northernmost beach on the lakeside trails. Sunny, warm, dry. Calm water. There was a lot of cut grass on the shore.

Weather
Weather Sunny
Wind speed
Wind direction
Water Temp
Air Temp