Algal Blooms and Red Tide
Learn more about Red Tide
Learn more about the Caloosahatchee, Lake O and algal blooms
Learn more about current Caloosahatchee and estuary conditions
and Lake Okeechobee flow.
Learn more about how the Caloosahatchee
is impacted by its watershed, Lake Okeechobee and the greater Everglades.
Algae in the Caloosahatchee in June 2015
Algae in the Caloosahatchee in June 2013
Macroalgae on Sanibel
, December 2012
Every year, algal blooms appear in the Caloosahatchee during the dry season because freshwater flows from Lake Okeechobee have been cut off.
Algae in the Caloosahatchee in 2012
The Health Alert for river water was downgraded to a caution on 7/26/11, as recent rains brought runoff from the water shed to the river.
for River Water issued by Lee County, 6/7/11. Glades and Hendry posted an alert
and other algal species bloom in Caloosahatchee in June 2011
bloom in Lee and Collier counties September 2010
bloom in the Caloosahatchee in July 2010