With health impacts in the foreground of water quality conversation, Army Corps acknowledges toxic algae and nutrients in Lake O releases by Frank | Jul 13, 2019 | Downtown Fort Myers River District, Interesting Articles | 0 comments Releases from Lake Okeechobee contributed to last year’s disastrous blue-green algae bloom, which crippled the Caloosahatchee River, filling some area canals with carpet-like mats of toxic algae.