Southwest Florida Water Quality Monitoring

Saving Estero Bay

Join us for an online benefit designed to help restore Estero Bay’s tributaries, declared Outstanding Florida Waters 30 Years Ago.

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A Win Against Toxic Discharges

Special News: We’ve Earned a Ruling Against the Army Corps in Federal Court

2020 Policy Plan

Read and share Calusa Waterkeeper’s 2020 policy goals for state and federal water quality improvements in Southwest Florida.

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Fighting for Drinkable, Fishable, Swimmable Water

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

City of Fort Myers Facing $500k Fine for Dumping Wastewater into Waterways

Feb 10, 2021

The City Of Fort Myers is allegedly facing a fine of more than $500,000 for the “repeated discharge of wastewater” into Billy’s Creek and the Caloosahatchee. Fort Myers Mayor, Kevin Anderson, said that the City will make changes to protect its waterways.

Amazonian River Monster Discovered in the Caloosahatchee River

Feb 9, 2021

Over the weekend, a woman walking through Cape Coral’s Jaycee Park came across an enormous dead fish that puzzled her. After posting a photo to social media, the fish was quickly identified as an arapaima: a 5 and a half foot long Amazon River predator.

Words from the Waterkeeper, Episode 24

Feb 4, 2021

Calusa Waterkeeper, John Cassani updates us on manatee mortality rates and how these local creatures are being impacted in our area. Manatee mortality for January 2021 is 176 – a rate of 6.1 per day. Compared this to the total mortality for January 2020 which was 58, a rate of 1.9 per day.