Promissao
| Dam Name | Promissao |
| River | Tiete |
| Main Basin | De la Plata |
| Near City | Promissao |
| Administration City | Rio Grande do Sul |
| Country | Brazil |
| Year | 1975 |
| Dam Height | 52 |
| Dam Length | 3710 |
| Area(Sqkm) | 511.2 |
| Area(Polygonal) | 511.2 |
| Capital Expenditure | 7408 |
| Depth(M) | 14.5 |
| Avg Displacement Of Water | 772894 |
| Catchment Area In Sqkm | 56078 |
| Status | 3: Fair |
| Longitude | -49.782083 |
| Latitude | -21.29625 |
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