Okuniikappu Dam

Okuniikappu Dam
Okuniikappu Dam Location within Japan
Location	Hokkaido Prefecture, Japan
Coordinates	42°40′26″N 142°40′40″E
Construction began	1958
Opening date	1963
Dam and spillways
Height	61.2 m (201 ft)
Length	110 m (360 ft)
Reservoir
Total capacity	6,665,000 m3 (235,400,000 cu ft)
Catchment area	179.1 km2 (69.2 sq mi)
Surface area	33 hectares (82 acres)

Okuniikappu Dam (Japanese: 奥新冠ダム) is an arch dam located in Hokkaido Prefecture in Japan. The dam is used for power production. The catchment area of the dam is 179.1 km². The dam impounds about 33 ha of land when full and can store 6665 thousand cubic meters of water. The construction of the dam was started on 1958 and completed in 1963.