Harmful Algal Bloom (HAB) Event Information
Bloom Code 21-3422-B1
Where
Water Body Cayuga Lake
Latitude and Longitude 42.50514, -76.51818
Segment Lakeshore Segment Southeast 5: Myers Park to East Shore Park
County Tompkins
Extent Widespread
When
Bloom Reported July 20, 2021
Bloom Sampled July 20, 2021
Microscopic Examination July 21, 2021
What
Bloom Genera [1]
Microscopy Present Dominant
Dolichospermum
Microcystis
Bloom Chemistry
Total Chlorophyll a 12716.0 ug/L
Total Microcystin and Nodularins (EPA 546) [2] 0.8 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

Bolton Point raw water pump station. Blooms judged to be an extension of this one were reported three additional times by various volunteers, spanning as far south as East Shore Park.