Florida
Toxic algae in Citrus County lakes
12 lakes and waterways in Citrus County have harmful algal bloom reports in Florida's official data. The most recent entry is for Lake Rousseau: Florida's most recent sample from Lake Rousseau, on 25 June 2025 at Lake Rousseau - at Center, 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.
- Black Creek Canal 2021
- Bluebird Spring 2023
- Clear Spring Lake 2020
- Crystal River 2024
- Doctor Lake 2017
- Halls River 2025
- Hidden River 2024
- Homosassa River 2025
- Hunter Springs 2023
- Lake Tsala Apopka 2023
- Three Sisters Springs Canal 2022
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.