Harmful Algal Bloom Report

Bloom Code 25-3406-B7

Where

Water Body Cayuga Lake
Latitude and Longitude 42.78554, -76.71655
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 01:35 PM
Bloom Sampled October 14, 2025 01:35 PM
Microscopic Examination

Bloom Description

Volunteer reported: Nothing unusual. Lake temps are cooling, not really swimmable anymore. Foam streaks on a windy day appeared last week.