Harreza
| Dam Name | Harreza |
| River | Harreza |
| Main Basin | Mediterranean Coast |
| Sub Basin | Chelif |
| Near City | Ain Defla |
| Administration City | Ain-Defla |
| Country | Algeria |
| Year | 1984 |
| Dam Height | 41 |
| Dam Length | -99 |
| Area(Sqkm) | 1 |
| Area(Polygonal) | 1 |
| Capital Expenditure | 70 |
| Depth(M) | 70 |
| Avg Displacement Of Water | 317 |
| Catchment Area In Sqkm | 138 |
| Main Usage | Irrigation |
| Status | 3: Fair |
| Longitude | 2.099583 |
| Latitude | 36.192917 |
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