Harmful Algal Bloom (HAB) Event Information
Bloom Code 21-3439-B1
Where
Water Body Cayuga Lake
Latitude and Longitude 42.64139, -76.69289
Segment Lakeshore Segment Southwest 10: Lively Run to Sheldrake Point
County Seneca
Extent Large Localized
When
Bloom Reported August 21, 2021
Bloom Sampled August 21, 2021
Microscopic Examination August 21, 2021
What
Bloom Genera [1]
Microscopy Present Dominant
Dolichospermum
Microcystis
Planktothrix
Bloom Chemistry
Total Chlorophyll a 517.0 ug/L
Total Microcystin and Nodularins (EPA 546) [2] 2.51 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

bloom located on the shoreline of waterfront properties on County Rd 153 in Interlaken