Water
Conservation
Area
3

 

Water Conservation Area 3 (WCA-3), the largest of the three Everglades WCA’s, lies to the west and southwest of WCA-2 and is located in western Dade and Broward counties. WCA-3 is more than twice the size of WCA-1 and WCA-2 combined and covers an area of 915 square miles. The area is predominately a vast sawgrass marsh dotted with tree islands, wet prairies, and aquatic sloughs. A cypress forest fringes its western border along the L-28 Gap and expands south to the Tamiami Trail. WCA-3A is the only WCA that is not entirely enclosed by levees. A 7.1-mile stretch, the L-28 Gap, has been left open on the mid-western side of WCA-3A to allow overland flows. WCA-3 is bisected by several interior canal systems. Major inflows include drainage from the EAA from the north and a combination of agricultural and WCA-3 "sheet flow" from the northeast (L-67A canal). In 1962, WCA-3 was divided into WCA-3A and WCA-3B (786 and 128 square miles, respectively) by construction of two interior levees (L-67A and L-67C) so that water losses due to levee seepage could be reduced.

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