Harmful Algal Bloom Report

Bloom Code 25-3476-B7

Where

Water Body Cayuga Lake
Latitude and Longitude 42.67042, -76.71132
Segment Lakeshore Segment Northwest 1: Sheldrake Point to Deans Cove
County Seneca
Extent Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline.

When

Bloom Reported October 17, 2025 02:30 PM
Bloom Sampled October 17, 2025 02:30 PM
Microscopic Examination

Bloom Description

Volunteer reported: Extended south toward sheldrake point. Weather mild and low wind. Started thin/ small at 9 am and increased intensity as day went on/ otherwise very clear water. 55 degrees .