Letsi
| Dam Name | Letsi |
| River | Lilla Lulealven |
| Main Basin | Lulealven |
| Near City | Jokkmokk |
| Administration City | Norrbotten |
| Country | Sweden |
| Year | 1967 |
| Dam Height | 85 |
| Dam Length | 608 |
| Area(Sqkm) | 18.5 |
| Area(Polygonal) | 18.5 |
| Capital Expenditure | 68 |
| Depth(M) | 3.7 |
| Avg Displacement Of Water | 149365 |
| Catchment Area In Sqkm | 9720 |
| Main Usage | Hydroelectricity |
| Status | 2: Good |
| Longitude | 20.354583 |
| Latitude | 66.499583 |
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