Santa Ana
| Dam Name | Santa Ana |
| River | Noguera Ribagorzana |
| Near City | Castillonroy |
| Administration City | Huesca |
| Country | Spain |
| Year | 1961 |
| Dam Height | 100 |
| Dam Length | 242 |
| Area(Sqkm) | 5.5 |
| Area(Polygonal) | 5.5 |
| Capital Expenditure | 237 |
| Depth(M) | 43.1 |
| Avg Displacement Of Water | 15058 |
| Catchment Area In Sqkm | 1753 |
| Main Usage | Irrigation |
| Status | 3: Fair |
| Longitude | 0.585417 |
| Latitude | 41.88625 |
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