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.

Kōsaka Dam
CountryJapan
LocationSaku, Nagano
Coordinates36°15′54″N 138°32′55″E / 36.26500°N 138.54861°E / 36.26500; 138.54861
PurposeFlood control
StatusOperational
Construction began1969 (1969)
Opening date1972 (1972)
Construction cost1,222,000,000 JPY
Dam and spillways
Type of damEmbankment dam
ImpoundsKosaka river
Height (thalweg)38.5 m
Length184.0 m
Dam volume334,000 m3
Reservoir
CreatesLake Kōsaka Dam
Total capacity1,050,000 m3
Active capacity870,000 m3
Catchment area14 km2
Surface area11 ha

References

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