Harmful Algal Bloom (HAB) Event Information
Bloom Code
25-3420-B2
| Where | |
|---|---|
| Water Body | Cayuga Lake |
| Latitude and Longitude | 42.5358, -76.544167 |
| Segment | Lakeshore Segment Southeast 4: Myers Park |
| County | Tompkins |
| Extent | Small Localized (few properties) |
When
| Bloom Reported | September 18, 2025 02:45 PM |
| Bloom Sampled | September 18, 2025 02:45 PM |
| Microscopic Examination | September 19, 2025 |
What
Bloom Genera [1]
| Microscopy | Present | Dominant |
|---|---|---|
| Dolichospermum | ||
| Microcystis |
Bloom Chemistry
| Total Chlorophyll a | 800.0 ug/L |
| Total Microcystin and Nodularins (EPA 546) [2] | 691.0 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: Lansing Harbor- identified by Tompkins County Whole Health Volunteer reported: Calm, sunny, this was inside the harbor, outside lake water clear
Weather
| Weather | Sunny |
| Wind speed | |
| Wind direction | |
| Water Temp | |
| Air Temp |