- December 14, 2025
A water sample taken in Crescent Lake near Shell Bluff on Aug. 30 contained harmful blue-green algal toxins, and the public should use caution in the area, according to a health alert issued Sept. 6 by the Florida Department of Health in Flagler County.
Visitors should take the following precautions, according to the Health Department's news release:
For more information on health effects of algal blooms, visit floridahealth.gov/environmental-health/aquatic-toxins. To speak to a poison specialist immediately, call the the Florida Poison Information Center at 1-800-222-1222.
To report a bloom to the Florida Department of Environmental Protection, call 855-305-3903 or report online. To report fish kills, call the Florida Fish and Wildlife Research Institute at 1-800-636-0511.