Kōsaka Dam

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Kōsaka Dam
Kosaka Dam.jpg
Country Japan
Location Saku, Nagano
Coordinates 36°15′54″N 138°32′55″E / 36.26500°N 138.54861°E / 36.26500; 138.54861Coordinates: 36°15′54″N 138°32′55″E / 36.26500°N 138.54861°E / 36.26500; 138.54861
Purpose Flood control
Status Operational
Construction began 1969 (1969)
Opening date 1972 (1972)
Construction cost 1,222,000,000 JPY
Dam and spillways
Type of dam Embankment dam
Impounds Kosaka river
Height (thalweg) 38.5 m
Length 184.0 m
Dam volume 334,000 m3
Reservoir
Creates Lake Kōsaka Dam
Total capacity 1,050,000 m3
Active capacity 870,000 m3
Catchment area 14 km2
Surface area 11 ha

Kosaka Dam (Japanese: 香坂ダム) is a embankment dam on the Kosaka river in the Saku, Nagano, Japan, completed in 1972.[1] The primary purpose is flood control, because villages in the Kosaka River basin suffered heavy damage from the floods.

References[edit]

  1. ^ "香坂ダム". Retrieved 2016-09-15.  (in Japanese)