Yumen Dam is a gravity dam located in Yamaguchi prefecture in Japan. The dam is used for flood control and water supply. The catchment area of the dam is 1.9 km². The dam impounds about 4 ha of land when full and can store 740 thousand cubic meters of water. The construction of the dam was started on 1993 and completed in 2006.[1]

Yumen Dam
Location of Yumen Dam in Japan
Location	Yamaguchi Prefecture, Japan
Coordinates	34°20′34″N 131°16′06″E
Construction began	1993
Opening date	2006
Dam and spillways
Height	46m
Length	200m
Reservoir
Total capacity	740 thousand cubic meters
Catchment area	1.9 sq. km
Surface area	4 hectares

References

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