Harmful Algal Bloom Report

Bloom Code 25-3400-B2

Where

Water Body Cayuga Lake
Latitude and Longitude 42.796541, -76.76433
Segment Open Water 3: Cayuga Lake Mid-South
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 July 09, 2025 10:00 AM
Bloom Sampled July 09, 2025 10:00 AM
Microscopic Examination

Bloom Description

Community Member Reports: Post rain, this morning was small particles, quickly grew when sun came out. One of the largest blooms I’ve seen here. Part of western shoreline bloom event.