Harmful Algal Bloom (HAB) Event Information
Bloom Code 25-3441-B1
Where
Water Body Cayuga Lake
Latitude and Longitude 42.6659, -76.6993
Segment Lakeshore Segment Southwest 10: Lively Run to Sheldrake Point
County Seneca
Extent Small Localized (few properties)
When
Bloom Reported September 20, 2025 02:15 PM
Bloom Sampled September 20, 2025 02:15 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

2025 PRIORITY SITE: Sheldrake Point- identified by Seneca County Health Department as a sample-collection site.

Weather
Weather Sunny
Wind speed
Wind direction
Water Temp
Air Temp