Harmful Algal Bloom Report

Bloom Code 26-SW9-B6

Where

Water Body Cayuga Lake
Latitude and Longitude 42.575954, -76.648387
Segment Lakeshore Segment Southwest 9: Frontenac Point to Lively Run
County Seneca
Extent Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.

When

Bloom Reported August 18, 2026 11:00 AM
Bloom Sampled
Microscopic Examination

Bloom Description

Volunteer reports: very still, bright green streak/flecks of algae/bacteria - went at least 50 yards north and 50 yards south from my dock along the west shore and 10 yards out from beach. This is only second time in 5 years we had suspected HABs