Black Hawk Lake is a man-made lake located in Lake View, Iowa. The lake was created in the 1930s when a dam was constructed on the Black Hawk Creek. The hydrology of the lake is controlled by a weir that regulates the water level. The lake has a surface area of 957 acres and an average depth of 11 feet. The lake is fed by several small streams and snowpack from the surrounding area. The lake is used for recreational activities such as fishing, boating, and swimming. The lake also serves as a source of water for irrigation and agricultural purposes. The lake is surrounded by a state park that includes hiking trails, picnic areas, and campsites. The lake is named after the Sauk warrior Black Hawk, who fought against the United States in the Black Hawk War of 1832.