Harmful Algal Bloom (HAB) Event Information
Bloom Code 23-3460-B3
Where
Water Body Cayuga Lake
Latitude and Longitude 42.63264, -76.65131
Segment Lakeshore Segment Southeast 1: Elmwood Point to Lake Ridge Point
County Cayuga
Extent Small Localized (few properties)
When
Bloom Reported October 03, 2023
Bloom Sampled October 03, 2023
Microscopic Examination October 04, 2023
What
Bloom Genera [1]
Microscopy Present Dominant
Dolichospermum
Microcystis
Pseudoanabaena
Bloom Chemistry
Total Chlorophyll a 1452.0 ug/L
Total Microcystin and Nodularins (EPA 546) [2] 174.0 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

80 degrees, sunny, calm wind, shoreline along Fire Lane 2