Fighting for Drinkable, Fishable, Swimmable Water
Volunteer Hours and Counting
Since 1995
Explore the Issues
Waterways around the world are under attack by pollution and mismanagement. Southwest Florida is no different.
Calusa Waterkeeper is focused on several local action items as well as state and national policies affecting our waters and quality of life.
We think you’ll agree, these are causes worth fighting for.
Learn the Issues
Recent News
Calusa Waterkeeper Finds Evidence of Human Fecal Contamination in Manuel’s Branch After Two-Year Investigation
A two-year investigation by local environmental group Calusa Waterkeeper has found evidence of human-source fecal contamination in Manuel’s Branch, a small urban creek located just south of Lee Memorial Hospital in Fort Myers.
Calusa Waterkeeper Publishes Human Source Tracking Investigation of Fecal Bacteria Pollution in Fort Myers Waterbody
Calusa Waterkeeper volunteers and staff have collected evidence of persistent human sources of fecal contamination to Manuel’s Branch. The group will be presenting to the City of Fort Myers Environmental Advisory Board on December 2nd, 2025.
EPA’s Narrowed Definition of WOTUS Threatens Water Quality
By narrowing the scope of waters protected under the Clean Water Act, this reinterpretation removes federal safeguards from many rivers, streams, lakes, wetlands, and other vital waterways.
DEEP DIVE: These chemicals kill toxic algae. But are they safe?
“I observed the (LakeGuard Oxy) application near Franklin Lock and Dam for 13 consecutive days and witnessed numerous label violations,” Cassani said.
Beach Nourishments: the Good, the Bad and the Ugly
If you’ve ever watched young children at the beach making sandcastles while fighting against occasional waves breaking over their hard-won efforts, you can appreciate the futility of beach nourishments.
Sawfish as the “Canary in the Coal Mine” for the Caloosahatchee River
The smalltooth sawfish is the center piece of Calusa Waterkeeper’s logo and represents our keystone species for the Caloosahatchee.
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