FY2013 Japan Society of Dam Engineers Technology Award

Orderer Incorporated Administrative Agency Japan Water Agency
Completion 2013
Structure and scale Gravity concrete dam, dam height: 94m; crest length: 370m; dam voltage: 580,880m³; reservoir water volume: 19,600,000m³
Location Oita Prefecture
Application Multi-purpose dam

Oyama Dam is a multi-purpose dam that serves the purposes of trying to ensure flood control, the stabilization of water intake, and river environment preservation on the Akaishigawa River of the Chikugogawa River system, as well as securing service water.