Ogouchi Dam - Ogouchi Dam

Japanese: 小河内ダム - おごうちダム

This dam is located in Okutama-machi, upstream of the Tama River, on the northwestern edge of Tokyo. It is a non-overflow type linear gravity concrete dam (→ gravity dam) built in conjunction with the Tokyo Metropolitan Government's water supply reservoir plan. It is 149m high, 131m wide at the base, 353m long at the crest, and 530m above sea level at the crest, with an effective storage capacity of 190 million ^m3 . There are four 70,000 kW power plants downstream. Construction began in 1938 and was temporarily halted in 1943 due to the intensification of World War II, but resumed in 1948 and was completed in 1957. A total of 945 households were submerged and relocated, and compensation was a major issue. The submerged former village of Ogouchi was the model for Tatsuzo Ishikawa's novel "Hikage no Mura" (Village in the Shadows).

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:

東京都北西端，多摩川上流奥多摩町にあるダム。東京都の上水道用貯水池計画に伴ってできた非溢流型直線重力式コンクリートダム (→重力ダム ) で，高さ 149m，基底幅 131m，堤頂長 353m，頂標高は約 530m，有効貯水量約1億 9000万m³。下流4ヵ所に7万 kWの発電所がある。 1938年着工，43年第2次世界大戦激化で一時中止されたが，48年工事再開，57年完成。水没移転戸数は合計 945世帯に達し，補償問題は大きかった。水没した旧小河内村は石川達三の小説『日蔭の村』のモデルとなった。

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