Harmful Algal Bloom (HAB) Event Information
            Bloom Code
            25-3422-B2
          
      | Where | |
|---|---|
| Water Body | Cayuga Lake | 
| Latitude and Longitude | 42.505135, -76.518199 | 
| Segment | Lakeshore Segment Southeast 5: Myers Park to East Shore Park | 
| County | Tompkins | 
| Extent | Large Localized | 
When
| Bloom Reported | October 29, 2025 03:00 PM | 
| Bloom Sampled | October 29, 2025 03:00 PM | 
| Microscopic Examination | October 30, 2025 | 
What
Bloom Genera [1]
| Microscopy | Present | Dominant | 
|---|---|---|
| Dolichospermum | ||
| Microcystis | 
Bloom Chemistry
| Total Microcystin and Nodularins (EPA 546) [2] | 1188.0 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, Zone #3422: Southern Cayuga Intermunicipal Water Commission (Bolton Point)- identified by Tompkins County Whole Health as a sample-collection site. Volunteer reported: 55 degrees, calm, sunny. Only at the shoreline to about 5' off shore.
Weather
| Weather | |
| Wind speed | |
| Wind direction | |
| Water Temp | |
| Air Temp | 
 
         
         
         
        