Ohso Dam (Japanese: 大蘇ダム) is a rockfill dam located in Kumamoto Prefecture in Japan. The dam is used for irrigation. The catchment area of the dam is 26 km². The dam impounds about 28 ha of land when full and can store 4300 thousand cubic meters of water. The construction of the dam was started on 1975 and completed in 2019.[1]

Ohso Dam
Location of Ohso Dam in Japan
Official name	大蘇ダム
Location	Kumamoto Prefecture, Japan
Coordinates	32°59′42″N 131°12′04″E
Construction began	1975
Opening date	2019
Dam and spillways
Height	69.9m
Length	262.1m
Reservoir
Total capacity	4300 thousand cubic meters
Catchment area	26 sq. km
Surface area	28 hectares

See also

• List of dams in Japan

References

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