Caldeirao
| Dam Name | Caldeirao |
| River | Parnaiba |
| Main Basin | Paranaiba |
| Near City | Piripiri |
| Administration City | Piaui |
| Country | Brazil |
| Year | 1945 |
| Dam Height | 22 |
| Dam Length | 75 |
| Area(Sqkm) | 7.1 |
| Area(Polygonal) | 7.1 |
| Capital Expenditure | 54.6 |
| Depth(M) | 7.7 |
| Avg Displacement Of Water | 2085 |
| Catchment Area In Sqkm | 221 |
| Status | 3: Fair |
| Longitude | -41.724583 |
| Latitude | -4.33375 |
List all Dams and Reservoirs