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Home / News / Health Alert

Health Alert

Lake
Health Alert

DOH-Orange Issues Blue-Green Algae Health Alert for Lake Killarney (Near Center)

January 16, 2026

Orlando, Fla. — The Florida Department of Health in Orange County (DOH-Orange) has issued a health alert for the presence of harmful blue-green algae toxins in Lake Killarney (Near Center). The alert is in response to water samples taken on January 8, 2026.

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Algae on a lakeshore
Health Alert

DOH-Orange County Cautions About Blue Green Algae at Lake Bessie – N Shore

November 12, 2025

The Florida Department of Health in Orange County (DOH-Orange) cautions the public of the presence of blue-green algae in Lake Bessie – N Shore.

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Algae on a lakeshore
Health Alert

DOH-Orange Issues Blue Green Algae Health Alert for Lake Gatlin (Center) and Lake Highland (SE Shore)

March 10, 2025

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Algae on a lakeshore
Health Alert

DOH-Orange Issues Blue Green Algae Health Alert for Big Sand Lake – Near Pointview Circle

March 6, 2025

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Algae on a lakeshore
Health Alert

DOH-Orange Cautions About Blue Green Algae at Lake Pearl (Park Dock)

March 4, 2025

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Algae on a lakeshore
Health Alert

DOH-Orange Issues Blue Green Algae Health Alert for Lake Hancock (John Hancock Boat Ramp)

March 3, 2025

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Algae on a lakeshore
Health Alert

DOH-Orange Cautions About Blue Green Algae at Lake Olive (S. Shore), Lake Butler (W. Shore), and Lake Roberts (S. Dock)

February 27, 2025

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Algae on a lakeshore
Health Alert

DOH-Orange Issues Blue Green Algae Health Alert for Big Sand Lake (from Dock) and Lake Formosa (Pedestrian Bridge)

February 25, 2025

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Health Alert

DOH-Orange Lifts Blue-Green Algae Health Alert for Lake Butler – W Shore

February 21, 2025

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Algae on a lakeshore
Health Alert

DOH-Orange Cautions About Blue Green Algae at Lake Conway (Nela Ave.)

February 20, 2025

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