Florida
Toxic algae in Madison County lakes
3 lakes and waterways in Madison County have harmful algal bloom reports in Florida's official data. The most recent entry is for Cherry Lake: Florida's most recent sample from Cherry Lake, on 17 April 2025 at Cherry Lake - near residential shoreline, 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.
- Lake Francis-Northwest Side 2020
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.