Koya Dam (Japanese: 古谷ダム) is a dam in the Nagano Prefecture, Japan, completed in 1982.[1]

Koya Dam
Official name古谷ダム
LocationNagano Prefecture, Japan
PurposeFlood control
Construction began1969 (1969)
Opening date1982; 42 years ago (1982)
Operator(s)Nagano Prefecture
Dam and spillways
Type of damGravity dam
ImpoundsShinano River
Elevation at crest48.5 m (159.1 ft)
Reservoir
Catchment area13 km² (5 mi²)

References

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  1. ^ "Koya Dam [Nagano Pref.] - Dams in Japan".

36°07′26″N 138°35′37″E / 36.12389°N 138.59361°E / 36.12389; 138.59361