Is the lake safe?

Florida

Toxic algae in Columbia County lakes

2 lakes and waterways in Columbia County have harmful algal bloom reports in Florida's official data. The most recent entry is for Alligator Lake: Florida's most recent sample from Alligator Lake, on 2 August 2023 at Alligator Lake - south, 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.

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.