| Ohkochigawa Dam | |
| Location: | Yamaguchi Prefecture, Japan |
| Dam Length: | 155m |
| Dam Height: | 62m |
| Construction Began: | 1975 |
| Res Capacity Total: | 4190 thousand cubic meters |
| Res Catchment: | 12.4 sq. km |
| Res Surface: | 23 hectares |
| Coordinates: | 34.3344°N 131.2008°W |
| Location Map: | Japan |
Ohkochigawa Dam is a gravity dam located in Yamaguchi prefecture in Japan. The dam is used for flood control and water supply. The catchment area of the dam is 12.4 km2. The dam impounds about 23 ha of land when full and can store 4190 thousand cubic meters of water. The construction of the dam was started on 1975.[1]