Due to growing concerns about shoreline erosion, 

the Corps of Engineers has 

CLOSED LAKE LEWISVILLE 

until the water significantly recedes. 

http://www.swf.usace.army.mil/Media/NewsReleases/tabid/6565/Article/590121/the-us-army-corps-of-engineers-closes-lewisville-lake-to-boaters-to-ensure-publ.aspx