Harmful Algal Bloom (HAB) Event Information
Bloom Code 25-3410-B7
Where
Water Body Cayuga Lake
Latitude and Longitude 42.715078, -76.707848
Segment Lakeshore Segment Northeast 9: Long Point State Park
County Cayuga
Extent Large Localized
When
Bloom Reported October 06, 2025 03:15 PM
Bloom Sampled October 06, 2025 03:15 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, Zone #3410: Long Point State Park- identified by Cayuga County Health Department as a sample-collection site. No sample collected. NYSP staff reports: Earlier today the boat launch had a HAB. With the south wind there isn’t any on the south shore. The north shore has a green tint to it but so far today I haven’t seen anything concrete.

Weather
Weather Sunny
Wind speed
Wind direction
Water Temp
Air Temp