Who We Are

Calusa Waterkeeper is guided by science to protect our water quality and human health. We fill a unique niche in Southwest Florida and would value your support!

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Career Opportunities

Calusa Waterkeeper is currently seeking a Director of Development. Learn more or apply today.

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What's in the Water?

Your support helps ensure we meet our testing goals to improve water quality awareness and advocacy.

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Fighting for Drinkable, Fishable, Swimmable Water

Volunteer Hours and Counting

Since 1995

Calusa Waterkeeper is a non-profit organization dedicated to the protection of the Caloosahatchee River & Estuary in Southwest Florida. This includes Lake Okeechobee & Estero Bay, plus the near-shore waterways of Lee County. We strive to achieve this mission through education and promotion of responsible use and enjoyment by all people.

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Thank you for all that you’re doing to improve our water quality and to educate us on changes we ourselves can make to help.

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Vicky C.
Cape Coral

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I have come to value the work of the Calusa Waterkeeper and its important voice in our community advocating for cleaner water. Keep up with the good work!

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Stephen B.
Clewiston

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We appreciate all that you do for our community and water quality. Great Job! Thank you, The Jensens.

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Jensen’s Marina
Captiva

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Thank you Calusa Waterkeeper and John Cassani for all you do to educate the public about the water quality crisis we are facing in SWFL.

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Denny S.
Fort Myers

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Thanks to CWK for relentlessly using science and public outreach to fight for clean water in SW Florida! We all benefit.

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Gerri R.
Fort Myers

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I have learned so much as a volunteer Ranger with Calusa Waterkeeper. Excited to continue!

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Mark D.
North Fort Myers

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Happy to renew our membership and keep you on the front lines. Thank you for all you do.

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Scott & Christine M.
Cape Coral

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 regional and national issues affecting our water policy and quality of lives.

We think you’ll agree, these are causes worth fighting for.

Learn the Issues

Recent News

Words from the Waterkeeper – Episode 35

Aug 5, 2022

Updates on local water quality in the region from Lake Okeechobee through the Caloosahatchee to the coastal waters. Please consider supporting our ongoing air & water sampling.

DeSantis and Florida Legislators Have Largely Failed to Implement Blue-Green Algae Task Force Recommendations

Aug 5, 2022

Waterkeepers Florida has collaborated with other environmental organizations to publish a progress report on the implementation of recommendations made by Florida's Blue-Green Algae Task Force. In short, meaningful progress is difficult to find:In his first week in...

HAB Task Force feels public outcry may be the only way to affect change in local water quality

Jul 21, 2022

The Harmful Algae Bloom Task Force met to discuss possible pertinent information on local water quality, in case it affects public health on Pine Island. The group is made up of a combination of Calusa Waterkeeper rangers, such as Sue Dahod.

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