Lake Oahe Lake Oahe Lake Oahe (oh-WAH'-hee) is a large reservoir behind Oahe Dam on the Missouri River; it begins in central South Dakota and continues north into North Dakota in the United States. The lake has an area of and a maximum depth of . By volume, it is the fourth-largest reservoir in the US. Lake Oahe has a length of approximately and has a shoreline of . 51 recreation areas are located along Lake Oahe, and 1.5 million people visit the reservoir every year. The lake is named for the 1874 Oahe Indian Mission. Lake Oahe begins just north of
Beaver Dam, Kentucky Beaver Dam, Kentucky Beaver Dam is a home rule-class city in Ohio County, Kentucky, in the United States. The population was 3,515 at the 2010 census. It is named for the Beaver Dam Baptist Church which predates the town by several decades. The city was formally incorporated by the state assembly in 1873. Beaver Dam is located at (37.407143, -86.877752). According to the United States Census Bureau, the city has a total area of , all land. Beaver Dam is located at the junction of U.S. Routes 62 and 231. The climate in this area is characterized by hot, humid