Nishonai Dam is a rockfill dam located in Aomori Prefecture in Japan. It is used for irrigation and as an indsutrial water dam. The catchment area of the dam is 31.9 km². The dam impounds about 65 ha of land when full and can store 15 600 000 m³ of water. It is 86 metres tall and has a width of 430.8 m. [1] The construction of the dam was started on 1973 and completed in 1995.[2]

Nishonai Dam
Location of Nishonai Dam in Japan
Location	Aomori Prefecture, Japan
Coordinates	40°35′17″N 140°43′43″E
Construction began	1973
Opening date	1995
Dam and spillways
Height	86m
Length	430.8m
Reservoir
Total capacity	15600 thousand cubic meters
Catchment area	31.9 sq. km
Surface area	65 hectares

References

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