Some environmental factors that contribute to blue-green algae blooms are sunny days,
warm water temperatures, still water conditions and excess nutrients. Blooms can
appear year-round but are more frequent in summer and fall. Many types of blue-green
algae can produce toxins.
Is it harmful?
Blue-green algae blooms can impact human health and ecosystems, including fish and
other aquatic animals.
For additional information on potential health effects of algal blooms, visit
floridahealth.gov/environmental-health/aquatic-toxins.
Find current information about Florida’s water quality status and public health
notifications for harmful algal blooms and beach conditions by visiting
ProtectingFloridaTogether.gov.
What do I do if I see an algal bloom?
The Florida Department of Environmental Protection (DEP) collects and analyzes algal
bloom samples. To report a bloom to DEP, please call the toll-free hotline at 855-305-
3903.
To report fish kills, contact the Florida Fish and Wildlife Research Institute at 1-800-
636-0511.
Report symptoms from exposure to a harmful algal bloom or any aquatic toxin to the
Florida Poison Information Center, call 1-800-222-1222 to speak to a poison specialist
immediately.
Contact your veterinarian if you believe your pet has become ill after consuming or
having contact with blue-green algae contaminated water.
If you have other health questions or concerns about blue-green algae blooms, please
call DOH-Highlands at 863-386-6040.
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The Florida Department of Health
The Department, nationally accredited by the Public Health Accreditation Board, works
to protect, promote and improve the health of all people in Florida through integrated
state, county and community efforts.
Follow us on Twitter at @HealthyFla and on Facebook. For more information about the
Florida Department of Health please visit www.FloridaHealth.gov.