Toyogaoka Dam
Toyogaoka Dam  is an earthfill dam located in Hokkaido Prefecture in Japan. The dam is used for irrigation. The catchment area of the dam is 2.8 km2. The dam impounds about 4  ha of land when full and can store 275 thousand cubic meters of water. The construction of the dam was started on 1960 and completed in 1966. References

Dams in Hokkaido