Nichinan Dam is a gravity dam located in Miyazaki Prefecture in Japan. The dam is used for flood control. The catchment area of the dam is 59.2 km2. The dam impounds about 41 ha of land when full and can store 6000 thousand cubic meters of water. The construction of the dam was started on 1968 and completed in 1984. See also List of dams in Japan References Dams in Miyazaki Prefecture