Amekawa Dam

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Amekawa Dam (Japanese: 雨川ダム) is a check dam on Ame river in Saku, Nagano Prefecture, Japan. The primary purpose is reducing water flow velocity to counteract erosion. It is also used for water supply.

Amekawa Dam
Amekawa Dam
Country	Japan
Location	Saku, Nagano
Coordinates	36°11′5″N 138°33′8″E / 36.18472°N 138.55222°E / 36.18472; 138.55222
Purpose	Multi-purpose
Status	Operational
Construction began	1971 (1971)
Opening date	November 30, 1974 (1974-11-30)
Dam and spillways
Type of dam	Gravity dam
Impounds	Amekawa
Height (thalweg)	28 m
Length	126 m
Dam volume	38,000 m³
Reservoir
Total capacity	800,000 m³
Surface area	8.9 ha
Maximum water depth	28 m