| Iida Dam | |
| Name Official: | 飯田ダム |
| Location: | Ibaraki Prefecture, Japan |
| Dam Length: | 219.5m |
| Dam Height: | 33m |
| Construction Began: | 1974 |
| Opening: | 1991 |
| Res Capacity Total: | 2440 thousand cubic meters |
| Res Catchment: | 20.8 sq. km |
| Res Surface: | 28 hectares |
| Coordinates: | 36.4244°N 140.2797°W |
| Location Map: | Japan Ibaraki Prefecture#Japan |
Iida Dam is a gravity dam located in Ibaraki Prefecture in Japan. The dam is used for flood control and water supply. The catchment area of the dam is 20.8 km2. The dam impounds about 28 ha of land when full and can store 2440 thousand cubic meters of water. The construction of the dam was started on 1974 and completed in 1991.[1]