Suffolk County, NY

09/05/2025 | Press release | Distributed by Public on 09/05/2025 13:52

New Cyanobacteria Bloom found at Sagaponack (Sagg) Pond, Sagaponack

New Cyanobacteria Bloom found at Sagaponack (Sagg) Pond, Sagaponack

  • 5 September 2025
  • Author: Desena, Lauren
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New Cyanobacteria Bloom found at Sagaponack (Sagg) Pond, Sagaponack

Analysis of surface water samples performed by SUNY Stony Brook has confirmed the presence of a new cyanobacteria bloom, more commonly known as blue-green algae, at Sagaponak (Sagg) Pond in Sagaponack.

Due to these findings, health officials ask residents not to use or swim or wade in these waters and to keep their children and pets away from the area.

Though blue-green algae are naturally present in lakes and streams in low numbers, they can become abundant, forming blooms in shades of green, blue-green, yellow, brown or red. They may produce floating scums on the surface of the water or may cause the water to take on paint-like appearance.

Contact with waters that appear scummy or discolored should be avoided. If contact does occur, rinse off with clean water immediately. Seek medical attention if any of the following symptoms occur after contact: nausea, vomiting or diarrhea; skin, eye or throat irritation; or allergic reactions or breathing difficulties.

To view a map of all affected fresh waterbodies in New York State, visit NYHABS.

Email questions to [email protected].

To report a suspected blue-green algae bloom at a body of water that contains a Suffolk County-permitted bathing beach, please contact the Suffolk County Department of Health Services' Office of Ecology at 631-852-5760 between 8:30 a.m. - 4:30 p.m. or by email at any time at [email protected]. To report a suspected blue-green algae bloom to the New York State Department of Environmental Conservation (NYSDEC) at a body of water that does NOT contain a Suffolk County permitted bathing beach, email [email protected].

For additional information about blue-green algae, as well as other harmful algal blooms, visit the following websites:

https://www.suffolkcountyny.gov/Departments/Health-Services/Environmental-Quality/Ecology/Harmful-Algal-Blooms

https://www.health.ny.gov/environmental/water/drinking/bluegreenalgae/

https://www.dec.ny.gov/chemical/77118.html

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Suffolk County, NY published this content on September 05, 2025, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on September 05, 2025 at 19:52 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]