Toxic algae in Osceola County, Florida
10 lakes and waterways have harmful algal bloom reports in Florida's official data.
Lakes with bloom history
| Lake | Years with reports | Most recent |
|---|---|---|
| Lake Marian | 4 | 2025 |
| Fish Lake | 3 | 2025 |
| Kissimmee River | 2 | 2021 |
| Lake Kissimmee | 2 | 2025 |
| Lake Rainhard | 1 | 2020 |
| Lake Toho | 2 | 2024 |
Other waterbodies with a report
These have one or two reports in a single year, so there isn't enough history for a page of their own yet.
- Jane Green Creek (2018)
- Lake Rianhard (2019)
- Lake Runnymede (2022)
- Lake Tohopekaliga (2025)
Source: Florida Department of Environmental Protection (DEP), official data. For current conditions see the DEP Algal Bloom Dashboard.