| Ochiai Dam | |
| Location: | Hokkaido Prefecture, Japan |
| Dam Length: | 199.5m |
| Dam Height: | 35.3m |
| Construction Began: | 1987 |
| Opening: | 2001 |
| Res Capacity Total: | 2400 thousand cubic meters |
| Res Catchment: | 38 sq. km |
| Res Surface: | 31 hectares |
| Coordinates: | 43.0964°N 140.9033°W |
| Location Map: | Japan |
Ochiai Dam is a rockfill dam located in Hokkaido Prefecture in Japan. The dam is used for irrigation. The catchment area of the dam is 38 km2. The dam impounds about 31 ha of land when full and can store 2400 thousand cubic meters of water. The construction of the dam was started on 1987 and completed in 2001.[1]