Harmful Algal Bloom Report

Bloom Code 25-3400-B21

Where

Water Body Cayuga Lake
Latitude and Longitude 42.82317, -76.70186
Segment Lakeshore Segment Northeast 5: Frontenac Park to Ellis Point
County Cayuga
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 12, 2025 11:00 AM
Bloom Sampled October 12, 2025 11:00 AM
Microscopic Examination

Bloom Description

Community member reported: 50 deg, sunny low winds