Florida
Toxic algae in Brevard County lakes
29 lakes and waterways in Brevard County have harmful algal bloom reports in Florida's official data. The most recent entry is for Lake Washington: Florida's most recent sample from Lake Washington, on 16 December 2025 at Lake Washington - Center (LWC), found no visible bloom and no microcystin toxin was detected. Lake Washington and Banana River have 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.
- C-54 Canal 2017
- Eau Gallie River 2020
- Fay Lake 2020
- Haulover Canal 2017
- Indian River Canal 2020
- Indian River Lagoon South Of Eau Gallie Causeway 2019
- Lake Washington Center 2019
- Lake Washington North 2019
- Lake Washington West 2019
- Lake Washington-Center 2019
- Little Sawgrass Lake 2017
- North Indian River Lagoon 2020
- Parrish Park Boat Ramp Indian River Lagoon 2018
- Sawgrass Lake 2023
- Stick Marsh Structure 96B Nw 2020
- Sykes Creek 2019
- Sykes Creek Access Canal 2021
- Sykes Creek Canal 2019
- Ten Mile Creek 2017
- Three Forks Marsh 2020
- Three Forks Marsh Conservation Area 2025
- Three Forks W Canal 2018
- Turkey Creek 2025
- Whiting Waterway Canal 2017
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.