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The Mission of the Key Largo Wastewater Treatment District is to preserve and protect the delicate ecosystem of the Florida Keys while providing exceptional customer service.

Our Ecosystem

The survival of the existing Florida Keys marine ecosystem is dependent on clear, low-nutrient waters. KLWTD is helping reverse the trend of environmental degradation and restore and maintain the Florida Keys marine ecosystem.


KLWTD Board of Commissioners meeting for June 4, 2024, has been canceled. If you have any questions or comments, please contact our District Clerk.Shannon McCully305-451-4019 ext. 210 ... See MoreSee Less
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KLWTD Admin Office located at 103355 Overseas Hwy will be closed Monday, May 27, 2024. We will resume normal business hours on Tuesday, May 28, 2024.If you have a sewer emergency, please call 305-451-4019and press 1. A system tech will assist you.Have a safe and happy holiday! ... See MoreSee Less
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Our District

The District’s mission includes the introduction and operation of advanced wastewater treatment and disposal infrastructure to serve all residents and commercial operations on the unincorporated island of Key Largo.


Vacuum systems are completely contained and will continue to function normally …

Service Area

The District’s boundaries include the territory consisting of Key Largo, including …


KLWTD has won the prestigious Florida Department of Environmental Protection’s …

“You are now leaving the KLWTD website and accessing FKAA (Florida Keys Aqueduct Authority’s Website).”

305 451 4019
Only put toilet paper and human waste in the toilet.
Call KLWTD First, For BACK UP or SEWER EMERGENCY, call 305-451-4019 option 1 for 24-hour service before you call a Plumber.