Isawa Dam
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. Its reservoir, which submerged the smaller Ishibuchi Dam upstream, was full in May 2013.[3] The dam's 15.7 MW power station was expected to be operational in July 2014.[1]
Isawa Dam | |
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Location of Isawa Dam in Japan | |
Location | Iwate Prefecture, Japan |
Coordinates | 39°06′48.0″N 140°54′13.0″E |
Purpose | Flood control, power, irrigation |
Construction began | 1983 |
Opening date | 2013 |
Dam and spillways | |
Type of dam | Embankment, rock-fill |
Impounds | Isawa River |
Height | 132 m (433 ft) |
Length | 723 m (2,372 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 |
Hydraulic head | 100.7–105.2 m (330–345 ft) (effective) |
Turbines | 1 × 10.7 MW, 1 × 3.5 MW, 1 × 1.5 MW Francis-type |
Installed capacity | 15.7 MW[1] |
References
- "Isawa first power plant Isawa third power plant" (in Japanese). J-Power. Archived from the original on 20 June 2012. Retrieved 6 June 2013.
{{cite web}}
: CS1 maint: bot: original URL status unknown (link) - "Hydropower & Dams in South and East Asia" (PDF). Hydropower and Dams. p. 10. Archived from the original (PDF) on 2 September 2017. Retrieved 3 October 2010.
- "Isawa Dam surcharge water level reached!" (in Japanese). Back King. Retrieved 6 June 2013.
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