Cuarenta
| Dam Name | Cuarenta |
| River | Rio Lagos |
| Main Basin | Santiago |
| Near City | Lagos |
| Administration City | Jalisco |
| Country | Mexico |
| Year | 1949 |
| Dam Height | 42 |
| Dam Length | 482 |
| Area(Sqkm) | 1.7 |
| Area(Polygonal) | 1.7 |
| Capital Expenditure | 30 |
| Depth(M) | 17.6 |
| Avg Displacement Of Water | 1333 |
| Catchment Area In Sqkm | 1564 |
| Main Usage | Irrigation |
| Status | 3: Fair |
| Longitude | -101.737917 |
| Latitude | 21.499583 |
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