The Shimajigawa Dam is a concrete gravity dam on the Shimaji River 13 km (8 mi) north of Shūnan in Yamaguchi Prefecture, Japan. The dam was completed in 1980 and was the first dam to be completely constructed with the roller-compacted concrete method.[1]

Shimajigawa Dam
Location of Shimajigawa Dam in Japan
Country	Japan
Location	Shūnan, Yamaguchi
Coordinates	34°10′13″N 131°46′31″E
Status	Operational
Construction began	1978
Opening date	1980
Dam and spillways
Type of dam	Concrete gravity
Impounds	Shimaji River
Height	89 m (292 ft)
Length	240 m (787 ft)
Dam volume	317,000 m3 (414,620 cu yd)
Reservoir
Creates	Lake Takase
Total capacity	20,600,000 m3 (16,701 acre⋅ft)
Active capacity	19,600,000 m3 (15,890 acre⋅ft)
Catchment area	32 km2 (12 sq mi)
Surface area	80 ha (198 acres)

References