Follow-up water samples did not detect algae toxins, indicating the public may resume water-related activities.
For media inquiries:
Claire Maher • Claire.Maher@FLHealth.gov • 813-559-4065
Tests completed on August 19 indicate that the water quality at Bahia Beach does not meet the recreational water quality criteria for Enterococcus bacteria recommended by the Florida Department of Health.
The update is being issued due to an eighth confirmed human case of locally-acquired dengue fever.
DOH-Hillsborough Issues Mosquito-Borne Illness Alert
July 31, 2026
The alert is in response to a second confirmed case of locally-acquired dengue.
DOH-Hillsborough is informing residents of a confirmed human case of locally-acquired dengue.
DOH-Hillsborough has issued a health alert for the presence of harmful blue-green algae toxins in Lake Thonotosassa.
Listeriosis outbreak associated with a restaurant in Tampa with food consumption between March 2026 and June 2026.
Tests completed on Wednesday, July 8, 2026, indicate that the water quality at Davis Island beach does not meet the recreational water quality criteria for Enterococcus bacteria.
Offices will be closed July 2-6. Regular hours will resume on Tuesday, July 7, 2026.
DOH- Hillsborough cautions the public of the presence of blue-green algae in Bayport Colony Canal (private canal) on June 25.