Doyo Dam

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Dam in Shinjō

35°13′53″N 133°32′42″E / 35.23139°N 133.54500°E / 35.23139; 133.54500Construction began1978Opening date1986Owner(s)Chugoku Electric Power CompanyDam and spillwaysType of damEmbankment, rock-fillHeight86.7 m (284 ft)Length480 m (1,575 ft)Dam volume2,650,000 m³ (3,466,069 cu yd)ReservoirTotal capacity7,680,000 m³ (6,226 acre⋅ft)Active capacity6,700,000 m³ (5,432 acre⋅ft)Catchment area1.8 km² (445 acres)Surface area30 ha (74 acres)

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]