Harmful Algal Bloom Report

Bloom Code 26-SW9-B11

Where

Water Body Cayuga Lake
Latitude and Longitude 42.629913906, -76.687510384
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 September 17, 2026 03:19 PM
Bloom Sampled
Microscopic Examination

Bloom Description

Volunteer reported: Interlaken Beach has HABs outbreak. It’s most concentrated near the mouth of Lively Run, but is visible all long the shore