Toxic algae in Marion County, Florida

10 lakes and waterways have harmful algal bloom reports in Florida's official data.

Lakes with bloom history

LakeYears with reportsMost recent
Lake Weir82025
Ocklawaha River22023

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.

Source: Florida Department of Environmental Protection (DEP), official data. For current conditions see the DEP Algal Bloom Dashboard.