El Atazar
| Dam Name | El Atazar |
| River | Lozoya |
| Near City | Patones |
| Administration City | Madrid |
| Country | Spain |
| Year | 1972 |
| Dam Height | 134 |
| Dam Length | 484 |
| Area(Sqkm) | 6.1 |
| Area(Polygonal) | 6.1 |
| Capital Expenditure | 426 |
| Depth(M) | 69.8 |
| Avg Displacement Of Water | 3207 |
| Catchment Area In Sqkm | 913 |
| Main Usage | Irrigation |
| Status | 2: Good |
| Longitude | -3.474583 |
| Latitude | 40.912917 |
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