Harmful Algal Bloom (HAB) Event Information
Bloom Code 24-3400-B4
Where
Water Body Cayuga Lake
Latitude and Longitude 42.8238, -76.72722
Segment Open Water 2: Cayuga Lake Mid-North
County Seneca
Extent Widespread
When
Bloom Reported September 15, 2024 04:40 PM
Bloom Sampled September 15, 2024 05:30 PM
Microscopic Examination September 16, 2024 12:00 AM
What
Bloom Genera [1]
Microscopy Present Dominant
Dolichospermum
Microcystis

Bloom Chemistry
Total Chlorophyll a 74.8 ug/L
Total Microcystin and Nodularins (EPA 546) [2] 39.0 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

Volunteer reports: surprised to see the extent of it, largest we have seen. Hot, sunny, little to no wind late in the day, third day in a row zone 3402 had a HABs

Weather
Weather Sunny
Wind speed
Wind direction
Water Temp
Air Temp