Isawa Dam : Wikipedia, the free encyclopedia

Isawa Dam

Dam in Iwate Prefecture, Japan

39°06′48.0″N 140°54′13.0″E / 39.113333°N 140.903611°E / 39.113333; 140.903611PurposeFlood control, power, irrigationConstruction began1983Opening date2013Dam and spillwaysType of damEmbankment, rock-fillImpoundsIsawa RiverHeight132 m (433 ft)Length723 m (2,372 ft)Dam volume13,500,000 m³ (17,700,000 cu yd)ReservoirTotal capacity143,000,000 m³ (116,000 acre⋅ft)Active capacity132,000,000 m³ (107,000 acre⋅ft)Catchment area185 km² (71 sq mi)Surface area440 ha (1,100 acres)Power StationCommission date2014Hydraulic head100.7–105.2 m (330–345 ft) (effective)Turbines1 × 10.7 MW, 1 × 3.5 MW, 1 × 1.5 MW Francis-typeInstalled capacity15.7 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. 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]

References

^ ^a ^b "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.