Harmful Algal Bloom Report

Bloom Code 26-SE7-B1

Where

Water Body Cayuga Lake
Latitude and Longitude 42.466191144, -76.500584736
Segment Lakeshore Segment Southeast 7: Stewart Park
County Tompkins
Extent Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties.

When

Bloom Reported September 30, 2026 09:40 AM
Bloom Sampled
Microscopic Examination September 30, 2026

What

Bloom Genera [1]

Microscopy Present Dominant
Dolichospermum
Microcystis

[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.

Bloom Description

Community member reported: First observed 9/29 and again today 9/30. Have not seen watercraft or people in water. Have not known about HAB in this area of lake before - have lived here for 10 years. Sample collected by community member for microscopy. No other analysis conducted.