| Yashio Dam | |
| Location: | Akita Prefecture, Japan |
| Dam Length: | 175.4m |
| Dam Height: | 27m |
| Opening: | 1963 |
| Res Capacity Total: | 958 thousand cubic meters |
| Res Catchment: | 1.9 sq. km |
| Res Surface: | 9 hectares |
| Coordinates: | 39.26°N 140.2361°W |
| Location Map: | Japan |
Yashio Dam is an earthfill dam located in Akita Prefecture in Japan. The dam is used for irrigation. The catchment area of the dam is 1.9 km2. The dam impounds about 9 ha of land when full and can store 958 thousand cubic meters of water. The construction of the dam was completed in 1963.[1]