Three of Nassau County's South Shore beaches have been closed to swimming after heavy rainfall, county health officials said Monday.

The move is a precautionary measure, officials said, because "storm water runoff can have a negative impact by elevating bacterial levels and affecting bathing water quality."

Affected are Hewlett Point Beach, Island Park Beach and Merrick Estates Civic Association.

Biltmore and Philip Healey beaches in Massapequa remain closed to swimming as a result of elevated bacteria levels.

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

On the latest episode of "Sarra Sounds Off," Newsday's Gregg Sarra and Matt Lindsay take a look top boys and girls basketball players on Long Island. Credit: Newsday

Sarra Sounds Off, Ep. 15: LI's top basketball players On the latest episode of "Sarra Sounds Off," Newsday's Gregg Sarra and Matt Lindsay take a look top boys and girls basketball players on Long Island.

On the latest episode of "Sarra Sounds Off," Newsday's Gregg Sarra and Matt Lindsay take a look top boys and girls basketball players on Long Island. Credit: Newsday

Sarra Sounds Off, Ep. 15: LI's top basketball players On the latest episode of "Sarra Sounds Off," Newsday's Gregg Sarra and Matt Lindsay take a look top boys and girls basketball players on Long Island.

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