Toxic algae in Polk County, Florida
56 lakes and waterways have harmful algal bloom reports in Florida's official data.
Lakes with bloom history
| Lake | Years with reports | Most recent |
|---|---|---|
| Tiger Lake | 6 | 2025 |
| Lake Hancock | 5 | 2025 |
| Scott Lake | 4 | 2024 |
| Lake Crago | 3 | 2025 |
| Lake Haines | 2 | 2023 |
| Lake Van | 2 | 2025 |
| Lake Whistler | 2 | 2023 |
| Lake Buffum | 5 | 2025 |
| Lake Conine | 3 | 2024 |
| Lake Rochelle | 2 | 2025 |
| Lake Deer | 3 | 2021 |
| Old Lake Davenport | 1 | 2023 |
| Parker Crago Canal | 1 | 2025 |
| Lake Cannon | 2 | 2025 |
| Lake Echo | 2 | 2025 |
| Lake Gibson | 1 | 2024 |
| Lake Hollingsworth | 1 | 2023 |
| Lake Mariam | 2 | 2022 |
| Lake Pierce | 4 | 2025 |
| Lake Smart | 1 | 2023 |
| Lake Hamilton East | 3 | 2025 |
| Lake Henry | 2 | 2022 |
| Lake Hunter | 2 | 2020 |
| Lake Otis | 3 | 2022 |
| Reedy Lake | 2 | 2025 |
| Banana Lake | 2 | 2022 |
| Lake Buckeye | 3 | 2024 |
| Thomas Lake | 2 | 2025 |
| Lake Bonny | 1 | 2025 |
| Lake Idyl | 2 | 2020 |
| Lake Mariana | 3 | 2024 |
| Lake Mattie | 2 | 2023 |
| Lake Summit | 1 | 2025 |
| Eagle Lake | 2 | 2023 |
| Lake Ariana | 2 | 2023 |
| Lake Garfield | 2 | 2023 |
| Lake Parker | 2 | 2025 |
| Lake Weohyakapka | 2 | 2023 |
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.
- Lake Alfred (2023)
- Lake Arietta (2017)
- Lake Clinch (2020)
- Lake Dell (2022)
- Lake Eloise (2023)
- Lake Eva (2018)
- Lake Hartridge (2023)
- Lake Howard (2023)
- Lake Juliana (2023)
- Lake Livingston (2022)
- Lake Lulu (2021)
- Lake Marion (2024)
- Lake Mattie Canal (2022)
- Lake Reedy (2022)
- Lake Rosalie (2025)
- Lake Silver (2023)
- Little Lake Parker (2020)
- Reclaimed Mine Lake (2020)
Source: Florida Department of Environmental Protection (DEP), official data. For current conditions see the DEP Algal Bloom Dashboard.