Harmful Algal Bloom (HAB) Event Information
Bloom Code
25-3458-B7
| Where | |
|---|---|
| Water Body | Cayuga Lake |
| Latitude and Longitude | 42.9422, -76.7324 |
| Segment | Lakeshore Segment Northeast 1: Northern Marshes to Harris Park |
| County | Cayuga |
| Extent | Small Localized (few properties) |
When
| Bloom Reported | September 23, 2025 03:15 PM |
| Bloom Sampled | September 23, 2025 03:20 PM |
| Microscopic Examination | September 26, 2025 |
What
Bloom Genera [1]
| Microscopy | Present | Dominant |
|---|---|---|
| Dolichospermum | ||
| Microcystis |
Bloom Chemistry
| Total Chlorophyll a | 2470.0 ug/L |
| Total Microcystin and Nodularins (EPA 546) [2] | 728.0 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: Cayuga Marina & Outfitters- identified by Cayuga County Health Department as a sample-collection site. Volunteer Reports: 74F, calm 3mph wind from the NE. There was 0.6 inches of rainfall last night and this early morning. Cloudy conditions.
Weather
| Weather | |
| Wind speed | |
| Wind direction | |
| Water Temp | |
| Air Temp |
