Ikkatai Dam

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Ikkatai Dam (一方井ダム) is a rockfill dam in Iwate Prefecture, Japan. It is used for irrigation. The dam is 40 meters tall and 390 meters long. It creates a reservoir that holds about 2.24 million cubic meters of water and covers about 28 hectares when full. The catchment area feeding the dam is 5.6 square kilometers. Construction began in 1972 and the dam opened in 1990.