Lake Okeechobee, the largest fresh water lake after the great lakes, is South Florida's primary water reservoir. Approximately 250 square miles of the lake are within the geographical boundaries of Palm Beach County. Other sizeable bodies of water include Lake Mangonia (540 acres) and Clear Lake (401 acres) in West Palm Beach and Lake Osborne (356 acres) in southern Lake Worth and northern Lantana.
The West Palm Beach Canal connects Lake Okeechobee and Lake Worth. A vast network of canals is interconnected with the West Palm Beach Canal. A system of lakes runs north and south within 8 miles of the east coast. The Loxahatchee River system is located in the northern section of the county and is interconnected with the Loxahatchee Slough.
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of primary surface water areas.