Florida
Toxic algae in Clay County lakes
30 lakes and waterways in Clay County have harmful algal bloom reports in Florida's official data. The most recent entry is for Doctors Lake: Florida's most recent sample from Doctors Lake, on 16 December 2025 at Doctors Lake - Center (DTL), found no visible bloom and no microcystin toxin was detected. Doctors Lake, Swimming Pen Creek and Black Creek 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.
- Boy Scout Camp Dr's Lake 2017
- Boy Scout Camp Lagoon 2018
- Center Of North Lobe Of Dr's Lake 2017
- Doctor's Inlet 2019
- Doctor's Lake Boy Scout Camp 2019
- Doctor's Lake Center 2017
- Doctor's Lake Southwest Shore 2017
- Doctor's Lake West Side 2019
- Doctors Lake Boy Scout Camp 2018
- Doctors Lake Survey 2017
- Doctors Lake Survey Neroc 2017
- Doctors Lake Weekly Survey 2017
- Dr's Lake East Edge Of Mill Cove 2017
- Dr's Lake In Mill Cive 2017
- Duck Creek 2017
- East Of Lake Shore Boat Ramp On Doctor's Lake 2017
- Lucy Branch 2017
- Lucy Branch On Dr's Lake 2017
- Mouth Of Doctor's Lake South Bank 2019
- Mouth Of Doctors Lake 2019
- Mouth Of Lucy Branch 2017
- Mouth Of Swimming Pen Creek 2018
- Northern Area Of Doctors Lake 2018
- Northern Part Of Doctor's Lake 2018
- Private Canal 2018
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.