Lake Wylie is a reservoir, or man-made lake in the U.S. states of both South Carolina and North Carolina. The lake has a surface area of 13,400 acres and features 325 miles of shore line.
Lake Wylie's location on both the South Carolina and North Carolina borders makes it a common recreational destination for residents of nearby cities including Charlotte, Fort Mill, and Rock Hill. Duke Power manages six public boat access areas on the lake. There are also two towns that are located on Lake Wylie including, Tega Cay and Lake Wylie
Lake Wylie is one of eleven lakes on the Catawba River and is the second oldest lake in the Catawba River Chain, with water being moved around each lake on the chain system through Duke Power. The lake has a surface area of approximately 13,443 acres with 325 miles of shoreline, and stretches from the Mountain Island Dam, south of Mountain Island Lake in North Carolina to the Wylie Dam on the south end of the lake. The average depth of the lake is just over twenty feet.
The Catawba Nuclear Generating Station is located on the south-western part of the lake, and draws its cooling water from the lake. Allen Steam Station located on the northern part of the lake (west of Charlotte) also draws its cooling water from the lake.