Florida
Toxic algae in Okaloosa County lakes
5 lakes and waterways in Okaloosa County have harmful algal bloom reports in Florida's official data. The most recent entry is for Kell-Aire Lake: Florida's most recent sample from Kell-Aire Lake, on 12 November 2025 at Kell-Aire Lake, found a bloom and microcystin toxin measured 0.55 µg/L, below the US EPA swimming advisory level of 8 µg/L.
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.
- Coleman Lake 2021
- Moore St Drainage To Sarah Ann Bayou 2021
- Spring Lake 2025
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.