Suffolk County Health Department Archives

06.26.2026 Health & Environment

Harmful blue-green algal blooms detected in Merritts Pond and Laurel Lake

Suffolk County Health officials urge residents to avoid any recreational activities in Riverhead’s Merritts Pond and Laurel Lake in Laurel after new, hazardous cyanobacteria blooms were found in both...

05.01.2026 Environment

New testing shows higher contamination levels in Grumman plume, officials say

The U.S. Navy’s 30-year neglect of the toxic Grumman plume in Calverton poses a serious threat to local waters and public health, and Suffolk County says the cleanup deadline...

02.18.2026 Environment

Calverton RAB urges Navy to consider county health data from private wells

The Calverton Restoration Advisory Board has announced plans to host its own public meeting where the Suffolk County Health Department can present its independent testing data of private wells...

01.15.2026 Health & Environment

Sewage leak near Peconic River prompts health warning in Riverhead

Suffolk County health officials warned residents to stay out of the Peconic River this weekend after up to 10,000 gallons of raw sewage leaked during construction at a Riverhead...

07.10.2025 Environment

Cause of Crown Recycling fire deemed ‘undetermined’

The coordinated investigation between the Riverhead fire marshal’s office and the Suffolk County Arson Squad has been completed, and the cause of the June 4 Crown Recycling Facility fire...

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