The Nassau County Department of Health closed five beaches on the South Shore on Sunday after an overnight rainfall.

The Biltmore Beach Club, Hewlett Point Beach, Island Park Beach, Merrick Estates Civic Association beach and Philip Healey Beach were closed to bathing on Sunday as a precautionary measure, according to the department.

Storm-water runoff can elevate harmful bacteria levels in the water, the department said.

For updated information on beach closures, call 516-227-9700 and follow the recorded prompts.

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