each with a 10MW Kaplan horizontal unit. The original plant housing Units 1 -5 has been preserved and is listed on the National Register of Historic Places. Excess power from the original powerplant was sold to local farmers, making the Minidoka area one of the first rural areas to have an electric power distribution system. Statistics Provides supplemental water supply to more than 1 million acres (4000 km²) of land. The reservoir has a storage capacity of . The reservoir, Lake Walcott, is named after a Bureau of Reclamation engineer. The reservoir extends 26 miles (42 km) up the Snake River and has a shoreline of 80 miles (130 km). See also List of dams in the Columbia River watershed References External links Minidoka Dam at USBR Minidoka Dam at IDPTV Buildings and structures in Cassia County, Idaho Industrial buildings and structures on the National Register of Historic Places in Idaho Hydroelectric power plants in Idaho Buildings and structures in Minidoka County, Idaho Dams on the Snake River Dams on the National Register of Historic Places in Idaho Minidoka Project Earth-filled dams United States Bureau of Reclamation dams Dams completed in 1906 Energy infrastructure completed in 1910 Energy infrastructure completed in 1927 Energy infrastructure completed in 1942 Energy infrastructure completed in 1997 1910 establishments in Idaho National Register of Historic Places in Cassia County, Idaho