Caonillas
| Dam Name | Caonillas |
| River | Caonillas |
| Administration City | Puerto Rico |
| Country | United States |
| Year | 1948 |
| Dam Height | 73 |
| Dam Length | 248 |
| Area(Sqkm) | 1.9 |
| Area(Polygonal) | 1.9 |
| Capital Expenditure | 67.8 |
| Depth(M) | 35.7 |
| Avg Displacement Of Water | 1871 |
| Catchment Area In Sqkm | 124 |
| Main Usage | Hydroelectricity |
| Status | 2: Good |
| Longitude | -66.655417 |
| Latitude | 18.27625 |
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