Ononosawa Dam

Ononosawa Dam
Ononosawa Dam Location within Japan
Location	Hokkaido Prefecture, Japan
Coordinates	43°13′35″N 141°51′35″E
Opening date	1931
Dam and spillways
Height	16.8 m (55 ft)
Length	150 m (490 ft)
Reservoir
Total capacity	157,000 m3 (5,500,000 cu ft)
Catchment area	0.5 km2 (0.19 sq mi)
Surface area	2 hectares (4.9 acres)

Ononosawa Dam (Japanese: 小野の沢ダム) is an earthfill dam located in Hokkaido Prefecture in Japan. The dam is used for irrigation. The catchment area of the dam is 0.5 km². The dam impounds about 2 ha of land when full and can store 157 thousand cubic meters of water. The construction of the dam was completed in 1931.