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About HABs
Cyanobacteria, sometimes referred to as blue-green algae because of their color, are among the oldest organisms on Earth. They are naturally occurring in our lakes, generally in low numbers.
When triggered by the perfect storm of conditions - such as heavy rains followed by a few days of warm weather with calm winds - cyanobacteria may begin to increase, forming “blooms”. HABs can appear quickly and persist for hours or days, or they can disappear almost as quickly as they formed.
Since previous research informs us that high levels of toxins (microcystin) may accompany the blooms, humans and our pets should avoid coming into contact with the water when an active bloom is observed.
How to identify blooms
Use visual cues to identify potential blooms. They can appear like pea soup, spilled paint, surface streaks or scum. The color is typically green, blue-green, or yellow, but can also be brown, red, or purple. When blooms are discovered, they are usually found along shorelines or in cove areas. They are most often seen along the stretch of shoreline that is impacted by the prevailing winds. However, during significant bloom events, sometimes they can be found in open water areas.
Visit the NYS DEC website to learn more about identifying blooms.
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