Yuda Dam
| Yuda Dam | |
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Yuda Dam
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 Location of Yuda Dam in Japan
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| Official name | 湯田ダム |
| Location | Nishiwaga, Iwate, Japan |
| Coordinates | 39°18′06″N 140°53′06″E / 39.30167°N 140.88500°ECoordinates: 39°18′06″N 140°53′06″E / 39.30167°N 140.88500°E |
| Construction began | 1953 |
| Opening date | 1964 |
| Owner(s) | Ministry of Land, Infrastructure and Transport |
| Dam and spillways | |
| Type of dam | Arch-gravity dam |
| Impounds | Waga River |
| Height | 89.5 m |
| Length | 265.0 m |
| Reservoir | |
| Creates | Lake Kinshu |
| Total capacity | 114,160,000 m3 |
| Catchment area | 583 sq km |
| Surface area | 630 ha |
| Power station | |
| Annual generation | 53,100 KW |
Yuda Dam (湯田ダム) is a multipurpose dam located in the town of Nishiwaga, Iwate, in the Tohoku region of northern Japan. Completed in 1964, it is managed by the Tohoku Regional Development Bureau of the Ministry of Land, Infrastructure and Transport. Located on the Waga River, a branch of the Kitakami River, it is the third largest of the dams built as part of the Kitakami Area Comprehensive Development Plan (KVA). The dam creates Lake Kinshu, a popular sightseeing spot.
The lower reaches of the Kitakami River are subject to flooding, especially near its dual mouths at the city of Ichinoseki, Iwate, and plans to increase the river width were impractical due to urbanisation of the area. The Home Ministry, together with Tokyo Imperial University drafted a flood control plan in 1926, which was upgraded in 1938 when implementation began. The plan called for the construction of five large dams on the main stream of the Kitakami River and its major branches. However, only Tase Dam was completed before work on the project ceased due to World War II. Work resumed immediately after the end of the war; however, typhoons in 1947 and 1948 created severe damage nationwide and led to a restructuring of Japan's flood control priorities and need for increased hydroelectric power generation. In 1949, the number of planned dams was increased to ten, and the location of Yuda Dam was changed from the initial plan to the local point about 13 kilometers downstream in the Waga River. Under the 1950 National Land Planning Act promulgated by the Yoshida administration, work on the Yuda Dam came under the aegis of the Kitakami Area Comprehensive Development Plan (KVA), which was modelled after the American Tennessee Valley Authority (TVA). Construction on the dam started in 1953.
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