Emerald
| Dam Name | Emerald |
| River | Emerald |
| Main Basin | Cauvery |
| Near City | Ootacamund |
| Administration City | Tamil Nadu |
| Country | India |
| Year | 1961 |
| Dam Height | 65 |
| Dam Length | 323 |
| Area(Sqkm) | 3.1 |
| Area(Polygonal) | 3.1 |
| Capital Expenditure | 156.2 |
| Depth(M) | 50.4 |
| Avg Displacement Of Water | 531 |
| Catchment Area In Sqkm | 35 |
| Main Usage | Hydroelectricity |
| Status | 3: Fair |
| Longitude | 76.617083 |
| Latitude | 11.332917 |
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