Harmful Algal Bloom (HAB) Event Information
Bloom Code 24-3478-B5
Where
Water Body Cayuga Lake
Latitude and Longitude 42.634982, -76.6521
Segment Lakeshore Segment Southeast 1: Elmwood Point to Lake Ridge Point
County Cayuga
Extent Widespread
When
Bloom Reported September 29, 2024
Bloom Sampled September 29, 2024
Microscopic Examination September 30, 2024
What
Bloom Genera [1]
Microscopy Present Dominant
Dolichospermum
Microcystis
Bloom Chemistry
Total Chlorophyll a 0.384 ug/L
Total Microcystin and Nodularins (EPA 546) [2] 13.7 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

Volunteer reports: Water next to shore looked clear. Blooms started about 10 ft offshore and extended west for at least 50 feet.