Oyarvatn Hoveddam
| Dam Name | Oyarvatn Hoveddam |
| River | Kvina |
| Near City | Flekkefjord |
| Administration City | Vest-Agder |
| Country | Norway |
| Year | 1981 |
| Dam Height | 15 |
| Dam Length | 15 |
| Area(Sqkm) | 6.6 |
| Area(Polygonal) | 6.6 |
| Capital Expenditure | 67 |
| Depth(M) | 10.2 |
| Avg Displacement Of Water | 12857 |
| Catchment Area In Sqkm | 394 |
| Main Usage | Hydroelectricity |
| Status | 3: Fair |
| Longitude | 7.125417 |
| Latitude | 58.974583 |
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