Jōzankei Dam

Jōzankei Dam (定山渓ダム, Jōzan-kei Damu) is a concrete Gravity dam in Sapporo, Hokkaidō, Japan situated upon the Otaru River. It supports a 120 MW hydroelectric power station.[1]

Jōzankei Dam
Location	Sapporo, Hokkaidō, Japan
Coordinates	42°59′05″N 141°09′27″E
Construction began	1974
Opening date	1989
Dam and spillways
Impounds	Otarunai River
Height	118 m
Length	410 m
Reservoir
Total capacity	82,300,000 m³
Catchment area	104 km²
Surface area	230 hectares

References

1. "Hydropower & Dams in South and East Asia" (PDF). Hydropower and Dams. p. 9. Archived from the original (PDF) on 2 September 2017. Retrieved 3 October 2010.