Harmful Algal Bloom Report

Bloom Code 25-3419-B5

Where

Water Body Cayuga Lake
Latitude and Longitude 42.54113, -76.54949
Segment Lakeshore Segment Southeast 3: Salt Point Natural Area
County Tompkins
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 October 04, 2025 04:00 PM
Bloom Sampled October 04, 2025 04:15 PM
Microscopic Examination October 08, 2025

What

Bloom Genera [1]

Microscopy Present Dominant
Dolichospermum
Microcystis

Bloom Chemistry

Total Microcystin and Nodularins (EPA 546) [2] 327.0 ug/L
Total Chlorophyll a 690.0 ug/L
[1] Genera - plural of genus, a category of classification in biology that ranks between the family level and the species level. Because there are many different species of bacteria that are difficult to distinguish, it is more useful to classify bacteria by genus rather than species.
[2] Microcystin

Bloom Description

2025 PRIORITY SITE, Zone #3419: Salt Point Natural Area- identified by Tompkins County Whole Health as a sample-collection site. The volunteer reported: the bloom is one half mile north of Salt Point, along shoreline and at least 100 ft into open water. It's currently very warm and calm, HABs present everywhere we kayaked North of salt Point and at kayak area of Myers Park

Weather

Weather Sunny
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Water Temp
Air Temp