Harmful Algal Bloom (HAB) Event Information
Bloom Code 25-3451-B2
Where
Water Body Cayuga Lake
Latitude and Longitude 42.845839, -76.734565
Segment Lakeshore Segment Northwest 4: Schuyler Creek to Canoga Creek
County Seneca
Extent Widespread
When
Bloom Reported August 22, 2025 03:45 PM
Bloom Sampled August 25, 2025 04:45 PM
Microscopic Examination
What
Bloom Genera [1]
Microscopy Present Dominant

Bloom Chemistry
[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
Map of HAB event
Bloom Description

PRIORITY SITE Volunteer reported: Calm, rained a couple of days ago, sunny, not overly hot or humid. Coordinator notes: Sample was collected and delivered to the HABs Shack by 5pm. Due to breakdown in communication, it was not picked up from the HABs Shack and the "hold time" expired before Alyssa could receive it to subsample. Seneca Falls Water Treatment brought in a sample from the plant on Monday 8/25/25.

Weather
Weather Sunny
Wind speed
Wind direction
Water Temp
Air Temp