Onia
| Dam Name | Onia |
| River | Onia |
| Near City | El Vigia |
| Administration City | Merida |
| Country | Venezuela |
| Year | 1973 |
| Dam Height | 31 |
| Dam Length | 450 |
| Area(Sqkm) | 1.2 |
| Area(Polygonal) | 1.2 |
| Capital Expenditure | 52.6 |
| Depth(M) | 43.8 |
| Avg Displacement Of Water | 3973 |
| Catchment Area In Sqkm | 295 |
| Status | 3: Fair |
| Longitude | -71.694583 |
| Latitude | 8.584583 |
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