Harmful Algal Bloom (HAB) Event Information
Bloom Code 23-3483-B1
Where
Water Body Cayuga Lake
Latitude and Longitude 42.4944, -76.539
Segment Lakeshore Segment Southwest 3: Glenwood Point
County Tompkins
Extent Small Localized (few properties)
When
Bloom Reported September 10, 2023
Bloom Sampled September 10, 2023
Microscopic Examination September 11, 2023
What
Bloom Genera [1]
Microscopy Present Dominant
Dolichospermum
Microcystis
Oscillatoria
Bloom Chemistry
Total Chlorophyll a 230.0 ug/L
Total Microcystin and Nodularins (EPA 546) [2] 60.2 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

Ithaca Yacht Club. In a small corner of the lake, near the last dock by the bathrooms.