Harmful Algal Bloom (HAB) Event Information
Bloom Code 24-3437-B1
Where
Water Body Cayuga Lake
Latitude and Longitude 42.606508, -76.676568
Segment Lakeshore Segment Southwest 4: Glenwood Point to Crowbar Point
County Seneca
Extent Large Localized
When
Bloom Reported July 23, 2024
Bloom Sampled August 16, 2024
Microscopic Examination July 24, 2024
What
Bloom Genera [1]
Microscopy Present Dominant
Dolichospermum
Microcystis
Bloom Chemistry
Total Chlorophyll a 17.7 ug/L
Total Microcystin and Nodularins (EPA 546) [2] 0.35 ug/L
[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

Water temp near shore, 82F- bloom dissipated in 2 hours- bloom not evident a few hundred yards offshore.