Ohtsu Dam is a gravity dam located in Gunma Prefecture in Japan. The dam is used for power production. The catchment area of the dam is 451 km2. The dam impounds about 4 ha of land when full and can store 108 thousand cubic meters of water. The construction of the dam was started on 1928 and completed in 1931.[1]

Ohtsu Dam
Ohtsu Dam is located in Japan
Ohtsu Dam
Location of Ohtsu Dam in Japan
LocationGunma Prefecture, Japan
Coordinates36°33′05″N 138°37′38″E / 36.55139°N 138.62722°E / 36.55139; 138.62722
Construction began1928
Opening date1931
Dam and spillways
Type of damGravity
ImpoundsAgatsuma River
Height19.6 m (64 ft)
Length73.9 m (242 ft)
Reservoir
Total capacity108,000 m3 (3,800,000 cu ft)
Catchment area451 km2 (174 sq mi)
Surface area4 hectares

References

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  1. ^ "Ohtsu Dam - Dams in Japan". Retrieved 2022-02-22.