News - Florida Department of Health in Hillsborough County

DOH-Hillsborough Cautions About Blue Green Algae at Bayport Canal

September 18, 2026

DOH-Hillsborough cautions the public of the presence of blue-green algae in Bayport Canal (private canal) on September 17, 2026. Water sample testing is underway. Blue-green algae have the potential to produce toxins.

Press Release

DOH-Hillsborough Issues Blue Green Algae Health Alert for Lake Thonotosassa

September 18, 2026

DOH-Hillsborough has issued a health alert for the presence of harmful blue-green algae toxins in Lake Thonotosassa. The alert is in response to a water sample taken on September 14.

Health Advisory

DOH-Hillsborough Issues Water Quality Health Advisory for Bahia Beach and Simmons Park Beach

September 16, 2026

Tests completed on Tuesday, September 15, indicate that the water quality at these locations does not meet the recreational water quality criteria for Enterococcus bacteria recommended by the Florida Department of Health.

Health Advisory

DOH-Hillsborough Cautions About Blue-Green Algae at Lake Thonotosassa

September 16, 2026

Water sample testing is underway. Since environmental conditions can change at any time, it is important to exercise caution, even if presence of toxins has not yet been confirmed.

Health Alert

DOH-Hillsborough Issues Rabies Alert

September 14, 2026

Press Release

DOH-Hillsborough Issues Water Quality Health Advisory for Bahia Beach

September 11, 2026

Tests completed on Wednesday, September 9, 2026, indicate that the water quality at Bahia Beach does not meet the recreational water quality criteria for Enterococcus bacteria.

Health Alert

DOH-Hillsborough Lifts Blue-Green Algae Health Alert for Lake Thonotosassa

August 21, 2026

Follow-up water samples did not detect algae toxins, indicating the public may resume water-related activities.

Health Advisory

DOH-Hillsborough Issues Water Quality Health Advisory for Bahia Beach

August 21, 2026

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.

Health Alert

DOH-Hillsborough County Issues Mosquito-Borne Illness Alert Update

August 12, 2026

The update is being issued due to an eighth confirmed human case of locally-acquired dengue fever.

Health Alert

DOH-Hillsborough Issues Mosquito-Borne Illness Alert

July 31, 2026

The alert is in response to a second confirmed case of locally-acquired dengue.