Okurodani Dam

The Okurodani Dam is a rock-fill dam on the Oshirakawa River (a tributary of the Shō River) about 7 km (4.3 mi) west of Shōkawa in Gifu Prefecture, Japan. It was constructed between 1969 and 1971. The dam has an associated 21.2 MW hydroelectric power station located about 3.5 km (2.2 mi) downstream which was commissioned in 1971.^[1]

Okurodani Dam
Overhead of the dam and reservoir in 1977
Location of Okurodani Dam in Japan
Country	Japan
Location	Shōkawa, Gifu Prefecture
Coordinates	36°02′27.45″N 136°52′54.01″E
Purpose	Power
Status	Operational
Construction began	1969
Opening date	1971
Dam and spillways
Type of dam	Embankment, rock-fill
Impounds	Oshirakawa River
Height	34 m (112 ft)
Length	140 m (460 ft)
Elevation at crest	971 m (3,186 ft)
Width (crest)	8 m (26 ft)
Dam volume	279,600 m3 (365,700 cu yd)
Spillway type	Crest overflow, 1 tainter gate
Reservoir
Total capacity	765,000 m3 (620 acre⋅ft)
Active capacity	220,000 m3 (180 acre⋅ft)
Catchment area	64.6 km2 (24.9 sq mi)
Surface area	87 m2 (0.021 acres)
Normal elevation	967 m (3,173 ft)
Power Station
Operator(s)	Kansai Electric Power Co., Inc.
Commission date	4 November 1971
Hydraulic head	210.8 m (692 ft)
Turbines	1 x 21.2 MW Francis-type
Installed capacity	21.2 MW

See also

• Japan portal
• Water portal
• Renewable energy portal

• Miboro Dam – downstream on the Shō River