| Arasawa No.2 Dam | |
| Name Official: | 荒沢２号ダム |
| Location: | Iwate Prefecture, Japan |
| Dam Length: | 246.6m |
| Dam Height: | 45.5m |
| Construction Began: | 1973 |
| Opening: | 1989 |
| Res Capacity Total: | 899 thousand cubic meters |
| Res Catchment: | 12 sq. km |
| Res Surface: | 12 hectares |
| Coordinates: | 40.0347°N 140.9447°W |
| Location Map: | Japan |
Arasawa No.2 Dam is a rockfill dam located in Iwate Prefecture in Japan. The dam is used for flood control. The catchment area of the dam is 12 km2. The dam impounds about 12 ha of land when full and can store 899 thousand cubic meters of water. The construction of the dam was started on 1973 and completed in 1989.[1]