Harmful Algal Bloom (HAB) Event Information
Bloom Code 25-3440-B1
Where
Water Body Cayuga Lake
Latitude and Longitude 42.6617, -76.6988
Segment Lakeshore Segment Southwest 10: Lively Run to Sheldrake Point
County Seneca
Extent Small Localized (few properties)
When
Bloom Reported July 08, 2025 04:57 PM
Bloom Sampled July 08, 2025 04:57 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

The volunteer reports: 1 dead catfish near shore, rained last night, foggy this morning and cloudy now, now wind, about 75 degrees. Small patch near shoreline. Only on Northside of beach. Mostly a narrow strip along the water's edge then forming a slightly larger patch (4' wide by 10' long). Total expanse about 20 feet. No wind at all.

Weather
Weather Cloudy
Wind speed
Wind direction
Water Temp
Air Temp