) is a concrete gravity arch dam on the Naruse River in the town of Taiwa, Kurokawa District Miyagi Prefecture, Japan, completed in 1987 by Kumagai. The dam supports a 220 KW hydroelectric power station. Design Minamikawa Dam is a hollow-core concrete gravity dam intended for flood control, irrigation water and hydroelectric power. The dam is accompanied by a 19.6 meter high saddle dam to increase its water level. References Dams in Miyagi Prefecture Dams completed in 1987 Taiwa, Miyagi Gravity dams