Oshioko Reservoir
| Reservoir Name | Oshioko |
| Dam Name | Oshio |
| River | Nanmokugawa |
| Country | Japan |
| Year | 1968 |
| Dam Height | 32 |
| Dam Length | 251 |
| Area(Sqkm) | 0.2 |
| Area(Polygonal) | 0.2 |
| Capital Expenditure | 1.8 |
| Depth(M) | 9 |
| Avg Displacement Of Water | 49 |
| Catchment Area In Sqkm | 2 |
| Status | 2: Good |
| Longitude | 138.87625 |
| Latitude | 36.225417 |
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