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Cyanobacteria Weekly Reports 

Visual observations of water color, water clarity, and the presence/nature of algae accumulation
are taken at Sears Park in East Hampton on a weekly basis.
Weekly reports can be accessed below.

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  • Residents are advised to avoid contact with water that looks green or blue-green throughout (sometimes described as looking like pea soup).

  • Any mats, films, or scums on the surface of the water that are blue-green in color, look like spilled paint, or have a noxious odor should be reported to Chatham Health District and avoided

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As of 8/29/25, Bathing Water Sampling
for the 2025 Season has ended.
All weekly reports for the season are availalble below. 

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