| Aoshita No.3 Dam | |
| Name Official: | 青下第３ダム |
| Location: | Miyagi Prefecture, Japan |
| Dam Length: | 60.4m |
| Dam Height: | 17.7m |
| Construction Began: | 1931 |
| Opening: | 1933 |
| Res Capacity Total: | 264 thousand cubic meters |
| Res Catchment: | 19.1 sq. km |
| Res Surface: | 3 hectares |
| Coordinates: | 38.3081°N 140.6911°W |
| Location Map: | Japan |
Aoshita No.3 Dam is a gravity dam located in Miyagi Prefecture in Japan. The dam is used for water supply. The catchment area of the dam is 19.1 km2. The dam impounds about 3 ha of land when full and can store 264 thousand cubic meters of water. The construction of the dam was started on 1931 and completed in 1933.[1]