Harmful Algal Bloom (HAB) Event Information
Bloom Code 21-3430-B1
Where
Water Body Cayuga Lake
Latitude and Longitude 42.47384, -76.52954
Segment Lakeshore Segment Southwest 2: Cass Park to Glenwood Point
County Tompkins
Extent Widespread
When
Bloom Reported July 19, 2021 12:11 PM
Bloom Sampled July 19, 2021 12:27 PM
Microscopic Examination July 20, 2021 12:00 AM
What
Bloom Genera [1]
Microscopy Present Dominant
Dolichospermum
Microcystis

Bloom Chemistry
Total Chlorophyll a 594.0 ug/L
Total Microcystin and Nodularins (EPA 546) [2] 0.33 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

along shore and concentrated in north-facing, rigid-wall slip. This bloom was reported a second time by another volunteer.

Weather
Weather
Wind speed
Wind direction
Water Temp
Air Temp