Lake Waco is a reservoir located within the city limits of Waco, in McLennan County, Texas, which serves as the western border for the city of Waco. The dam is located on the Bosque River. The lake has 79,000 acres feet of water and is currently run by the Army Corps of Engineers. Lake Waco top of conservation pool was raised about 8 feet in 2005. This has helped with fishing.