Florida
Toxic algae in Alachua County lakes
17 lakes and waterways in Alachua County have harmful algal bloom reports in Florida's official data. The most recent entry is for Lochloosa Lake: Florida's most recent sample from Lochloosa Lake, on 18 August 2025 at Lochloosa Lake - Center, found a bloom and no microcystin toxin was detected. Lochloosa Lake, Newnans Lake and Orange Lake 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.
- Clear Lake 2021
- Lake Lochloosa 2018
- Lake Santa Fe 2024
- Little Orange Lake North Shore 2020
- Little Orange Lake South End 2020
- Prairie Creek 2018
- Residential Lake 2019
- Sunshine Lake Center 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.