Calusa Waterkeeper

In the News

John Cassani Speaks at the Sanibel Rotary

John Cassani Speaks at the Sanibel Rotary

Calusa Waterkeeper, John Cassani describes the effects of the cyanobacteria that is in the waters, causing harm to our waterways, the life within the water and the health effects to people who live and work on or around the water.

Feedback for the Lake Okeechobee System Operating Manual (LOSOM)

Feedback for the Lake Okeechobee System Operating Manual (LOSOM)

Calusa Waterkeeper has been following the Lake Okeechobee System Operating Manual process since it began in 2018/19. The organization and many of our members have submitted public comments throughout the process over the years. Calusa Waterkeeper has had concerns...

Toxic Algae Poisoning Diagnosed in Matlacha

Toxic Algae Poisoning Diagnosed in Matlacha

Sue Dahod, a Calusa Waterkeeper Ranger, teamed up with the Matlacha/Pine Island Fire Department to test the water in Matlacha, after complaints from residents who said they were getting sick due to marine toxicity surrounding their homes.

Students Paddling Pine Island Sound for Environmental Awareness

Students Paddling Pine Island Sound for Environmental Awareness

High school students Aydin Khan-Bridgers of Naples and Ava Spencer of Raleigh plan to spend a week kayaking around Pine Island Sound to help raise awareness of the deteriorating marine environment while conducting water tests for FGCU’s Dr. James Douglass.

How Much Dangerous Algae Toxin is in the Air?

How Much Dangerous Algae Toxin is in the Air?

Calusa Waterkeeper is checking the air for cyanotoxins, produced by microscopic organisms that photosynthesize as plants do, but are indeed bacteria, even though they’re commonly called blue-green algae. Some produce potent toxins that have been linked to grave health problems.

Tropical Storm Elsa Could Worsen the Blue-Green Algae Situation in SWFL

Tropical Storm Elsa Could Worsen the Blue-Green Algae Situation in SWFL

New pictures taken over Lake Okeechobee show huge swaths of blue-green algae and Tropical Storm Elsa could make things worse. “Our pilot flew the lake yesterday and there was about a 12 mile stretch of the lake where it was concentrated for sure,” John Cassani, from the Calusa Waterkeeper, said.

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