MARION COUNTY, FL (352today.com) – The Florida Department of Health in Marion County (DOH-Marion) is warning residents and visitors to exercise caution after blue-green algae was detected at the Hope Boat Ramp on Lake Weir during testing conducted July 28, 2025. While no toxins were found at the time of testing, blue-green algae can produce harmful toxins under the right conditions.
Officials say environmental factors such as warm temperatures and still water can quickly change the situation, so ongoing caution is advised.
What to Know About Blue-Green Algae
Blue-green algae are naturally occurring bacteria found in Florida’s freshwater environments. When they multiply rapidly, they form blooms that:
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- Discolor the water
- Create mats that…