Tests completed on Tuesday, November 3, indicate that the water quality at Ben T. Davis Beach does not meet the recreational water quality criteria for Enterococcus bacteria recommended by the Florida Department of Health.
For media inquiries:
Claire Maher • Claire.Maher@FLHealth.gov • 813-559-4065
DOH-Hillsborough reminds all residents and visitors to enjoy Halloween festivities safely this weekend by taking steps to protect themselves from mosquito bites.
DOH-Hillsborough has issued a water quality advisory for Simmons Park Beach in Ruskin.
Mosquito Borne Illness Alert Update
October 19, 2026
DOH-Hillsborough continues to respond to the ongoing dengue outbreak in Hillsborough County and encourages residents to take steps to reduce mosquito exposure.
The alert is in response to a water sample taken on October 12. The public should exercise caution in and around Lake Thonotosassa.
Tests completed on Wednesday, October 7, indicate that the water quality at Davis Island Beach does not meet the recreational water quality criteria for Enterococcus bacteria recommended by the Florida Department of Health.
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.
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.
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.
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.