The Florida Department of Environmental Protection reported no algae blooms the week of Sept. 13-19. Water samples collected from Lake Okeechobee contained no dominant species of algae and no toxins.
No algal bloom conditions were observed by the samplers.
National Ocean and Atmospheric Administration satellite imagery for Lake Okeechobee for that week shows that bloom potential on the lake remains significantly reduced, with less than 10% coverage. Bloom potential refers to the potential for cyanobacteria in the water column, based on the chlorophyll levels. No surface scum was reported.
Algae and cyanobacteria are part of Lake Okeechobee’s natural ecosystem and are present in the lake year round, even when the microscopic organisms are not present in numbers high enough to be visible to the human eye. Cyanobacteria and algae are found naturally in lakes, streams and waterways worldwide. “Blooms” occur when cyanobacteria and/or algae reproduce enough that “surface scum” is visible. Bloom conditions usually include the presence of nutrients such as phosphorus and nitrogen, hot weather and lack of water movement.
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