| Ushirogawachi Dam | |
| Location: | Saga Prefecture, Japan |
| Dam Length: | 250m |
| Dam Height: | 42.2m |
| Construction Began: | 1972 |
| Opening: | 1992 |
| Res Capacity Total: | 3754 thousand cubic meters |
| Res Catchment: | 0.5 sq. km |
| Res Surface: | 22 hectares |
| Coordinates: | 33.4456°N 129.9217°W |
| Location Map: | Japan |
Ushirogawachi Dam is a rockfill dam located in Saga Prefecture in Japan. The dam is used for irrigation. The catchment area of the dam is 0.5 km2. The dam impounds about 22 ha of land when full and can store 3754 thousand cubic meters of water. The construction of the dam was started on 1972 and completed in 1992.[1]