Harmful Algal Bloom (HAB) Event Information
Bloom Code
25-3474-B4
Where | |
---|---|
Water Body | Cayuga Lake |
Latitude and Longitude | 42.84308, -76.69715 |
Segment | Lakeshore Segment Northeast 4: Frontenac Park |
County | Cayuga |
Extent | Widespread |
When
Bloom Reported | September 26, 2025 04:30 PM |
Bloom Sampled | September 26, 2025 05:00 PM |
Microscopic Examination | September 30, 2025 |
What
Bloom Genera [1]
Microscopy | Present | Dominant |
---|---|---|
Dolichospermum | ||
Microcystis |
Bloom Chemistry
Total Microcystin and Nodularins (EPA 546) [2] | 1754.0 ug/L |
Total Chlorophyll a | 2720.0 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
[2] Microcystin
Map of HAB event
Bloom Description
2025 PRIORITY SITE: Frontenac Park- identified by Cayuga County Health Department as a sample-collection site. Volunteer reported: It was very widespread with only a short amount of shoreline not affected. Partly sunny, 72°, strong breeze but no white caps.
Weather
Weather | Sunny |
Wind speed | |
Wind direction | |
Water Temp | |
Air Temp |



