Koromogawa No.4 Dam

Koromogawa No.4 Dam (衣川４号ダム) is a rockfill dam located in Iwate Prefecture in Japan. The dam is used for flood control. The catchment area of the dam is 3.9 km2. The dam impounds about 7 ha of land when full and can store 570 thousand cubic meters of water. The construction of the dam was started on 1982 and completed in 1995.