Kōsaka Dam
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Kōsaka Dam | |
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Country | Japan |
Location | Saku, Nagano |
Coordinates | 36°15′54″N 138°32′55″E / 36.26500°N 138.54861°E |
Purpose | Flood control |
Status | Operational |
Construction began | 1969 |
Opening date | 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 an 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.
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Lake Kōsaka Dam
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Kōsaka Dam office and spillway
References
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