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Minamikawa Dam | |
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Minamikawa Dam | |
Official name | 南川ダム |
Location | Taiwa, Miyagi, Japan |
Coordinates | 38°26′02″N140°49′52″E / 38.43389°N 140.83111°E Coordinates: 38°26′02″N140°49′52″E / 38.43389°N 140.83111°E |
Construction began | 1975 |
Opening date | 1987 |
Owner(s) | Miyagi Prefecture |
Dam and spillways | |
Type of dam | Concrete Gravity Dam |
Impounds | Naruse River |
Height | 46.0 meters |
Length | 335.0 meters |
Dam volume | 244,000 cubic meters |
Reservoir | |
Total capacity | 10,000,000 cubic meters |
Catchment area | 22.5 square kilometers |
Surface area | 90.0 hectares |
Power Station | |
Installed capacity | 220 KW |
Minamikawa Dam(南川ダム Minamikawa damu)) is a concrete gravity arch dam on the Naruse River in the town of Taiwa, Kurokawa District Miyagi Prefecture, Japan, completed in 1987 by Kumagai. [1] The dam supports a 220 KW hydroelectric power station.
A dam is a barrier that stops or restricts the flow of water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, aquaculture, and navigability. Hydropower is often used in conjunction with dams to generate electricity. A dam can also be used to collect water or for storage of water which can be evenly distributed between locations. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees are used to manage or prevent water flow into specific land regions. The earliest known dam is the Jawa Dam in Jordan, dating to 3,000 BC.
Taiwa is a town located in Miyagi Prefecture, Japan. As of 31 May 2017, the town had an estimated population of 28,716, and a population density of 127 persons per km² in 11,589 households. The total area of the town is 225.49 square kilometres (87.06 sq mi).
Kurokawa is a rural district in Miyagi Prefecture, in the Tōhoku region of northern Japan. As of 2017, the district had an estimated population of 42,681 and a population density of 116 persons per km². The total area was 367.82 km².
Minamikawa Dam is a hollow-core concrete gravity dam intended for flood control, irrigation water and hydroelectric power. The dam is accompanied by a 19.6 meter high saddle dam to increase its water level.
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