Chubetsu Dam

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Chubetsu Dam
Location	Biei, Hokkaidō, Japan.
Construction began	1977
Opening date	2006
Dam and spillways
Impounds	Chubetsu River
Height	86 m
Length	885 m
Reservoir
Total capacity	93,000,000 m3
Catchment area	238.9 km2
Surface area	372 hectares

The Chubetsu Dam (忠別ダム, Chūbetsu damu) is a dam in Biei, Hokkaidō, Japan. The dam was completed in 2006.^[1]　The dam is located at the border of Biei, Hokkaido and Kamikawa, Hokkaido. It is a multipurpose concrete Gravity dam and Rockfill dam. It stands at 86m tall and has a length of 885m.

Following World War II, modernization of Agriculture in Japan advanced rapidly and a steady source of water was required for the new farming techniques. Hokkaido's population quickly grew and a stable water supply was needed. For this reason, a survey of agricultural dams along the Chubetsu River was conducted^[2] In 1977, the Chubetsu flood control, irrigation, water supply and Hydropower dam was planned. After prolonged, the project was started in 1986 was finally completed in 2007 after some 29 years had passed.

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43°37′38″N 142°37′46″E / 43.62722°N 142.62944°E / 43.62722; 142.62944