Isawa Dam

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Isawa Dam
Location of Isawa Dam
Location Iwate Prefecture, Japan
Coordinates 39°07′17.37″N 140°44′11.40″E / 39.1214917°N 140.7365000°E / 39.1214917; 140.7365000Coordinates: 39°07′17.37″N 140°44′11.40″E / 39.1214917°N 140.7365000°E / 39.1214917; 140.7365000
Purpose Flood control, power, irrigation
Construction began 1983
Opening date 2013
Dam and spillways
Type of dam Embankment, rock-fill
Impounds Isawa River
Length 723 m (2,372 ft)
Height 132 m (433 ft)
Dam volume 13,500,000 m3 (17,700,000 cu yd)
Reservoir
Total capacity 143,000,000 m3 (116,000 acre·ft)
Active capacity 132,000,000 m3 (107,000 acre·ft)
Catchment area 185 km2 (71 sq mi)
Surface area 440 ha (1,100 acres)
Power station
Commission date 2014
Turbines 1 x 10.7 MW, 1 x 3.5 MW, 1 x 1.5 MW Francis-type
Installed capacity 15.7 MW[1]

Isawa Dam (胆沢ダム) is an embankment dam on the Isawa River in Iwate Prefecture, Japan.[2] It was constructed between 1983 and 2013. It's reservoir, which submerged the smaller Ishibuchi Dam upstream, was full in May 2013.[3] The dams's 15.7 MW power station is expected to be operational in July 2014.[1]

References

  1. 1.0 1.1 "Isawa first power plant Isawa third power plant" (in Japanese). J-Power. Retrieved 6 June 2013. 
  2. "Hydropower & Dams in South and East Asia". Hydropower and Dams. p. 10. Retrieved 3 October 2010. 
  3. "Isawa Dam surcharge water level reached!" (in Japanese). Back King. Retrieved 6 June 2013. 
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