Harmful Algal Bloom Report

Bloom Code 25-3443-B9
Where
Water Body Cayuga Lake
Latitude and Longitude 42.7274, -76.7612
Segment Lakeshore Segment Northwest 1: Sheldrake Point to Deans Cove
County Seneca
Extent Large Localized
When
Bloom Reported September 24, 2025 01:00 PM
Bloom Sampled September 24, 2025 01:00 PM
Microscopic Examination
Map
Bloom Description

Community Member Reports: Lake is calm. The blooms keep coming for a few hours and then disappear and come back a day or 2 later.