Harmful Algal Bloom Report

Bloom Code 26-NE4-B3

Where

Water Body Cayuga Lake
Latitude and Longitude 42.841168, -76.69632
Segment Lakeshore Segment Northeast 4: Frontenac Park
County Cayuga
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 July 08, 2026 02:31 PM
Bloom Sampled July 08, 2026 02:30 PM
Microscopic Examination July 09, 2026

What

Bloom Genera [1]

Microscopy Present Dominant
Dolichospermum
Microcystis
Oscillatoria

Bloom Chemistry

Total Microcystin and Nodularins (EPA 546) [2] 15000.0 ug/L
Total Chlorophyll a 9610.0 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

Bloom Description

2026 PRIORITY ZONE: Frontenac Park- identified by Cayuga County Health Department as a sample-collection site. Volunteer reported: Hot and muggy, 84 degrees and sunny. Mild wind. Water full of HABS at the boat launch but only in a few isolated spots along the rest of the shoreline.