DOH-Seminole Issues Blue Green Algae Health Alert for Lake Jesup
September 9, 2025
Sanford, Fla. — The Florida Department of Health in Seminole County (DOH-Seminole) has issued a health alert for the presence of harmful blue-green algae toxins in Lake Jesup. The alert is in response to a water sample taken on September 16, 2025. The public should exercise caution in and around Lake Jesup.

