Florida
Toxic algae in Manatee County lakes
18 lakes and waterways in Manatee County have harmful algal bloom reports in Florida's official data. The most recent entry is for Tampa Bay: Florida's most recent sample from Tampa Bay, on 18 August 2022 at Tampa Bay - Maximo Park, found no visible bloom and no microcystin toxin was detected. Manatee River has had blooms in three or more years.
Lakes with bloom history
Newest report first. Each lake has its own page with the full history and what the results mean.
Other waterbodies with a report
These have one or two reports in a single year, which isn't enough history for a page of their own yet.
- Braden River Mouth 2019
- Branden River 2019
- Cypress Creek Estates 2019
- Lake Manatee 2023
- Lake Uihlein 2024
- Leona Ave Canal 2019
- Palma Sola Bay 2019
- Perico Bayou 2019
- River 2019
- River Pointe Canal 2019
- Sapphire Lake 2025
- Sarasota Bay 2020
- Ward Lake 2025
- Warners Bayou Canal 2019
- Water Street Canal 2019
Source: Florida Department of Environmental Protection (DEP), official data, checked 24 October 2026. For today's conditions see the DEP Algal Bloom Dashboard. No report doesn't mean a lake is safe: most water is only tested occasionally.