Three of Nassau County's South Shore beaches that were closed to swimmers Monday after heavy rainfall have been reopened, county health officials said Tuesday.

Affected were Hewlett Point Beach, Island Park Beach and Merrick Estates Civic Association, which had been closed as a precautionary measure because of the possibility of elevated bacteria levels, officials said.

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Remaining closed are Biltmore and Philip Healey beaches in Massapequa as a result of elevated bacteria levels.

For the latest on openings and closings, call the county's beach hotline at 516-227-9700.