Harmful Algal Bloom Report

Bloom Code 25-3410-B2

Where

Water Body Cayuga Lake
Latitude and Longitude 42.718056, -76.708333
Segment Lakeshore Segment Northeast 9: Long Point State 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 September 14, 2025 12:55 PM
Bloom Sampled September 14, 2025 12:55 PM
Microscopic Examination September 15, 2025

What

Bloom Genera [1]

Microscopy Present Dominant
Microcystis

Bloom Chemistry

Total Chlorophyll a 20.5 ug/L
Total Microcystin and Nodularins (EPA 546) [2] 9.02 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

2025 PRIORITY SITE: Long Point State Park- identified by Cayuga County Health Department as a sample-collection site. Nw winds of 5-8 mph made it difficult to observe. No hab conditions observed south of the long point

Weather

Weather Sunny
Wind speed
Wind direction
Water Temp
Air Temp