Harmful Algal Bloom (HAB) Event Information
Bloom Code 21-3435-B1
Where
Water Body Cayuga Lake
Latitude and Longitude 42.54864, -76.59691
Segment Lakeshore Segment Southwest 7: Taughannock Falls State Park
County Tompkins
Extent Widespread
When
Bloom Reported July 17, 2021 08:40 AM
Bloom Sampled July 17, 2021 01:30 PM
Microscopic Examination July 19, 2021 12:00 AM
What
Bloom Genera [1]
Microscopy Present Dominant
Dolichospermum

Bloom Chemistry
Total Chlorophyll a 87.1 ug/L
Total Microcystin and Nodularins (EPA 546) [2] 0.15 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 widespread on the shorelines of Taughannock State Park, both on the North Point shoreline and at the swimming area. The bloom also extends south on the shoreline of properties on Taughannock Boulevard. Bloom extended through Lakeshore Segment Southwest 8 (SW8) as well, spanning as far north as Mac Queens Beach. Three reports of this bloom came in from various volunteers.

Weather
Weather
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Water Temp
Air Temp