Harmful Algal Bloom Report
Bloom Code
25-3441-B4
Where |
|
|---|---|
| Water Body | Cayuga Lake |
| Latitude and Longitude | 42.66586, -76.69919 |
| Segment | Lakeshore Segment Southwest 10: Lively Run to Sheldrake Point |
| County | Seneca |
| Extent | Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. |
When
| Bloom Reported | October 17, 2025 03:30 PM |
| Bloom Sampled | October 17, 2025 05:00 PM |
| Microscopic Examination | October 24, 2025 |
What
Bloom Genera [1]
| Microscopy | Present | Dominant |
|---|---|---|
| Microcystis |
Bloom Chemistry
| Total Microcystin and Nodularins (EPA 546) [2] | 20720.0 ug/L |
| Total Chlorophyll a | 33800.0 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
Bloom Description
2025 PRIORITY SITE, Zone #3441: Sheldrake Point- identified by Seneca County Health Department as a sample-collection site. Volunteer reported: Brisk wind from Northeast, sunny day 58degrees. The bloom extended for about 20 feet on the shoreline then appeared about 25 feet from the shore with less intensity.
