Doyo Dam (Japanese: 土用ダム) is a rock-fill embankment dam located 6 km (4 mi) north of Shinjō in the Okayama Prefecture, Japan. It creates the upper reservoir for the 1,500 MW Matanoagawa Pumped Storage Power Station while the Matanoagawa Dam creates the lower.[1]

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Doyo Dam
Location of Doyo Dam in Japan
Country	Japan
Location	Shinjō
Coordinates	35°13′53″N 133°32′42″E
Construction began	1978
Opening date	1986
Owner(s)	Chugoku Electric Power Company
Dam and spillways
Type of dam	Embankment, rock-fill
Height	86.7 m (284 ft)
Length	480 m (1,575 ft)
Dam volume	2,650,000 m3 (3,466,069 cu yd)
Reservoir
Total capacity	7,680,000 m3 (6,226 acre⋅ft)
Active capacity	6,700,000 m3 (5,432 acre⋅ft)
Catchment area	1.8 km2 (445 acres)
Surface area	30 ha (74 acres)

References

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