Florida
Toxic algae in Sarasota County lakes
13 lakes and waterways in Sarasota County have harmful algal bloom reports in Florida's official data. The most recent entry is for Little Sarasota Bay: Florida's most recent sample from Little Sarasota Bay, on 16 September 2025 at Little Sarasota Bay - off Cove Terrace, found a bloom and no microcystin toxin was detected.
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.
- Blackburn Bay 2019
- Canal 2019
- Cedar Point Environmental Park Oak Creek 2019
- Cosmic Canal 2022
- Hudson Bayou 2019
- Lake Sarasota 2023
- Lyons Bay 2019
- Lyons Bay Canal 2023
- Myakka River 2025
- Upper Lake Myakka 2022
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.