Onnebetsu Dam

Onnebetsu Dam
Onnebetsu Dam Location within Japan
Location	Hokkaido Prefecture, Japan
Coordinates	44°5′35″N 142°13′16″E
Opening date	1985
Dam and spillways
Height	33.7 m (111 ft)
Length	178 m (584 ft)
Reservoir
Total capacity	9,312,000 m3 (328,900,000 cu ft)
Catchment area	40.1 km2 (15.5 sq mi)
Surface area	136 hectares (340 acres)

Onnebetsu Dam (Japanese: 温根別ダム) is a rockfill dam located in Hokkaido Prefecture in Japan. The dam is used for irrigation. The catchment area of the dam is 40.1 km². The dam impounds about 136 ha of land when full and can store 9312 thousand cubic meters of water. The construction of the dam was completed in 1985.