Rumoi Dam

Rumoi Dam
Rumoi Dam Location within Japan
Location	Hokkaido Prefecture, Japan
Coordinates	43°50′02″N 141°45′41″E
Construction began	1984
Opening date	2009
Dam and spillways
Height	41.2 m (135 ft)
Length	440 m (1,440 ft)
Reservoir
Total capacity	23,300,000 m3 (820,000,000 cu ft)
Catchment area	42 km2 (16 sq mi)
Surface area	220 hectares (540 acres)

Rumoi Dam (Japanese: 留萌ダム) is a rockfill dam located in Hokkaido Prefecture in Japan. The dam is used for flood control and water supply. The catchment area of the dam is 42 km². The dam impounds about 220 ha of land when full and can store 23300 thousand cubic meters of water. The construction of the dam was started on 1984 and completed in 2009.