DOH-Seminole Issues Blue-Green Algae Health Alert for Lake Howell
October 30, 2026
The alert is in response to a water sample taken on October 26. The public should exercise caution in and around Lake Howell.
DOH-Seminole Issues Mosquito-Borne Illness Alert
October 26, 2026
The alert is in response to an additional confirmed case of locally-acquired dengue.
DOH-Seminole Issues Mosquito-Borne Illness Advisory
October 21, 2026
The advisory is in response to a confirmed human case of locally-acquired dengue.
DOH-Seminole Issues Blue-Green Algae Health Alert for Lake Howell
September 29, 2026
The alert is in response to a water sample taken on September 24. The public should exercise caution in and around Lake Howell.
DOH-Seminole Issues Blue-Green Algae Health Alert for Lake Howell
September 11, 2026
The alert is in response to a water sample taken on September 9. The public should exercise caution in and around Lake Howell.
DOH-Seminole has issued a health alert for the presence of harmful blue-green algae toxins in Lake Jesup and Lake Howell.
The alert is in response to a water sample taken on July 8, 2026. The public should exercise caution in and around Lake Howell.
DOH-Seminole Issues Rabies Advisory
July 13, 2026
DOH-Seminole is issuing a rabies advisory in Seminole County in response to a confirmed case of rabies in a raccoon that was captured in Sanford.
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 July 7, 2026.
DOH-Seminole has issued a health alert for the presence of harmful blue-green algae toxins in Lake Charm in response to a water sample taken on June 22.