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Water-Related News

Seminole County Health Dept. extends Health Alert for Lake Jesup, Lake Howell

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SANFORD – The Florida Department of Health in Seminole County has extended the Health Alert for the presence of harmful blue-green algal toxins in Lake Howell (Casselberry) and Lake Jesup.

  • The Lake Howell alert is in response to a water sample taken on September 25, 2023, and is in effect through October 25, 2023.
  • The Lake Jesup alert is in response to a water sample taken on September 27, 2023 and is in effect through October 27, 2023.

The public should exercise caution in and around Lake Howell and Lake Jesup where algal blooms are present.

Residents and visitors are advised to take the following precautions:

  • Do not drink, swim, wade, use personal watercraft, water ski or boat in waters where there is a visible bloom.
  • Wash your skin and clothing with soap and water if you have contact with algae or discolored or smelly water.
  • Keep pets away from the area. Waters where there are algae blooms are not safe for animals. Pets and livestock should have a different source of water when algae blooms are present.
  • Do not cook or clean dishes with water contaminated by algae Boiling the water will not eliminate the toxins.
  • 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.
  • Do not eat shellfish in waters with algae bloom.