Iiyamachosuichi Reservoir
| Reservoir Name | Iiyamachosuichi |
| Dam Name | Iinoyama |
| River | Ozegawa |
| Country | Japan |
| Year | 1932 |
| Dam Height | 19 |
| Dam Length | 79 |
| Area(Sqkm) | 0.3 |
| Area(Polygonal) | 0.3 |
| Capital Expenditure | 1.8 |
| Depth(M) | 6 |
| Avg Displacement Of Water | 54 |
| Catchment Area In Sqkm | 2 |
| Status | 2: Good |
| Longitude | 132.09625 |
| Latitude | 34.42875 |
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