Ohtaki Dam is a concrete gravity dam located in Nara prefecture in Japan. The dam is used for flood control, water supply, irrigation and power production. The catchment area of the dam is 258 km2. The dam impounds about 251 ha of land when full and can store 84000 thousand cubic meters of water. The construction of the dam was started in 1962 and completed in 2012.[1][2]

Ohtaki Dam
LocationNara Prefecture, Japan
Coordinates34°21′12″N 135°56′06″E / 34.35333°N 135.93500°E / 34.35333; 135.93500
Construction began1962
Opening date2012
Dam and spillways
Height100m
Length315m
Reservoir
Total capacity84000 thousand cubic meters
Catchment area258 sq. km
Surface area251 hectares

References

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  1. ^ "Ohtaki Dam - Dams in Japan". Retrieved 2022-02-22.
  2. ^ NAKAI, Fuko; NAKAMURA, Shinichiro; TAKENOUCHI, Kensuke (2022). "Communities' Disaster Preparedness Promoted Evacuation: A Case Study of Nagano City Damaged by the Chikuma River Floods Caused by Typhoon Hagibis". Journal of JSCE. 10 (1): 56–69. doi:10.2208/journalofjsce.10.1_56. ISSN 2187-5103.