Orange County

Blue-green algae detected in Orlando lake; what to do if you encounter it

ORANGE COUNTY, Fla. — The Florida Department of Health in Orange County issued a health caution alert for the presence of blue-green algae in Lake Sue on Monday.

Officials said the algae was detected in a sample taken by the Florida Department of Environmental Protection on March 21.


The alert means that the public should exercise caution in and around Lake Sue.

The health department said residents and visitors are advised to take the following precautions:

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  • You should not drink, swim, wade, use personal watercraft, water ski or boat in waters where there is a visible bloom.
  • Avoid getting water in your eyes, nose, or mouth.
  • You should keep pets and livestock away from the waters in this location.
  • Eating fillets from healthy fish caught in freshwater lakes experiencing blooms is safe. Rinse fish fillets with tap or bottled water, throw out the guts and cook fish well.
  • You should not eat shellfish from this location.

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Report symptoms from exposure to a harmful algal bloom or any aquatic toxin to the Florida Poison Information Center. Call 1-800-222-1222 to speak to a poison specialist immediately.

Contact your veterinarian if you believe your pet has become ill after consuming or having contact with blue-green algae-contaminated water.

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If you have other health questions or concerns about blue-green algae blooms, please call the Florida Department of Health in Orange County Algal Bloom Information Line at 407-723-5216.

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Sarah Wilson

Sarah Wilson,

Sarah Wilson joined WFTV Channel 9 in 2018 as a digital producer after working as an award-winning newspaper reporter for nearly a decade in various communities across Central Florida.