Erumu Dam
Erumu Dam  is a rockfill dam located in Hokkaido Prefecture in Japan. The dam is used for irrigation. The catchment area of the dam is 7.3 km2. The dam impounds about 27  ha of land when full and can store 3300 thousand cubic meters of water. The construction of the dam was started on 1974 and completed in 1997. References

Dams in Hokkaido