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MIAMI (CBSMiami) – A Swim Advisory is in effect for three Miami-Dade beaches.

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Beachgoers are urged to stay out of the water at Golden Beach, Crandon Beach North, and Crandon Beach South.

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The health department said recent water tests at those three beaches did not meet the standards for safe swimming.

Testing found a prevalence of enteric bacteria, which is an indicator of fecal pollution. The bacteria may have come from storm water run-off, wildlife, pets and human sewage.

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The advisory will be lifted when two consecutive water tests show acceptable bacteria levels.