Harmful Algal Bloom (HAB) Event Information
Bloom Code
25-3464-B5
| Where | |
|---|---|
| Water Body | Cayuga Lake |
| Latitude and Longitude | 42.4966, -76.53916 |
| Segment | Lakeshore Segment Southwest 3: Glenwood Point |
| County | Tompkins |
| Extent | Small Localized (few properties) |
When
| Bloom Reported | September 18, 2025 05:40 PM |
| Bloom Sampled | September 18, 2025 05:48 PM |
| Microscopic Examination | September 19, 2025 |
What
Bloom Genera [1]
| Microscopy | Present | Dominant |
|---|---|---|
| Microcystis |
Bloom Chemistry
| Total Chlorophyll a | 17.5 ug/L |
| Total Microcystin and Nodularins (EPA 546) [2] | 15.1 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
[2] Microcystin
Map of HAB event
Bloom Description
2025 PRIORITY SITE: Ithaca Yacht Club- identified by Tompkins County Whole Health as a sample-collection site. Volunteer reported: Very sparse and thin but moving in from the north steadily. Sample collected by program coordinator.
Weather
| Weather | Sunny |
| Wind speed | |
| Wind direction | |
| Water Temp | |
| Air Temp |