Harmful Algal Bloom Report

Bloom Code 25-3458-B8
Where
Water Body Cayuga Lake
Latitude and Longitude 42.9254, -76.7287
Segment Lakeshore Segment Northeast 1: Northern Marshes to Harris Park
County Cayuga
Extent Large Localized
When
Bloom Reported September 23, 2025 03:05 PM
Bloom Sampled September 23, 2025 03:05 PM
Microscopic Examination
Map
Bloom Description

Volunteer Reports: 74F, cloudy and calm (3 mph wind from the NE). More than a half inch of rainfall last night and early this morning. The water has been extremely clear in preceding weeks with very little rainfall.