Harmful Algal Bloom Report

Bloom Code 26-NE2-B2

Where

Water Body Cayuga Lake
Latitude and Longitude 42.916262, -76.729722
Segment Lakeshore Segment Northeast 2: Harris Park
County Cayuga
Extent Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.

When

Bloom Reported July 24, 2026 04:00 PM
Bloom Sampled July 24, 2026 04:00 PM
Microscopic Examination July 27, 2026

What

Bloom Genera [1]

Microscopy Present Dominant
Microcystis

Bloom Chemistry

Total Microcystin and Nodularins (EPA 546) [2] 115.0 ug/L
Total Chlorophyll a 232.0 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: Harris Park- identified by Cayuga County Health Department as a sample-collection site. Volunteer reported: Sample collected. It was about 84 degrees air temperature, light winds, maybe 4mph. The HABS were visible at shoreline and out about 20 feet, and ran over 600 feet north to south.