Harmful Algal Bloom Report

Bloom Code 25-3475-B1

Where

Water Body Cayuga Lake
Latitude and Longitude 42.909911, -76.727572
Segment Lakeshore Segment Northeast 3: Harris Park to Frontenac 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 August 22, 2025 01:45 PM
Bloom Sampled August 22, 2025 09:22 PM
Microscopic Examination August 26, 2025

What

Bloom Genera [1]

Microscopy Present Dominant
Dolichospermum
Microcystis

Bloom Chemistry

Total Chlorophyll a 634.0 ug/L
Total Microcystin and Nodularins (EPA 546) [2] 414.0 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

Weather

Weather Sunny
Wind speed
Wind direction
Water Temp
Air Temp