Harmful Algal Bloom Report

Bloom Code 26-SE6-B1

Where

Water Body Cayuga Lake
Latitude and Longitude 42.471470669, -76.50368041
Segment Lakeshore Segment Southeast 6: East Shore Park
County Tompkins
Extent Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties.

When

Bloom Reported July 12, 2026 10:35 AM
Bloom Sampled July 12, 2026 11:51 AM
Microscopic Examination July 13, 2026

What

Bloom Genera [1]

Microscopy Present Dominant
Dolichospermum
Oscillatoria

Bloom Chemistry

Total Microcystin and Nodularins (EPA 546) [2] 1.0 ug/L
Total Chlorophyll a 1650.0 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

Bloom Description

2026 PRIORITY ZONE: East Shore Park- identified by Tompkins County Whole Health as a sample-collection site. Reported by several community members. Volunteer collected a sample. Community member reported: Parallel streaks of green along shore