Al Wahda Dam (Morocco)
Al Wahda Dam, formerly known as M'Jaara Dam, is an embankment dam on the Ouergha River near M´Jaara in Ouezzane Province, Morocco. It was constructed for flood control, irrigation, water supply and hydroelectric power production. It is the second largest dam in Africa and the largest in Morocco. It was described by Land Ocean Interactions in the Coastal Zone (LOICZ) as "the second most important dam in Africa after the High Aswan dam."
| Al Wahda Dam | |
|---|---|
The dam (on the left) and reservoir as seen from space | |
Location of Al Wahda Dam in Morocco | |
| Official name | Barrage Al Wahda |
| Location | M´Jaara, Ouezzane Province, Morocco |
| Coordinates | 34°35′54″N 5°11′51″W |
| Construction began | 1991 |
| Opening date | 1997 |
| Dam and spillways | |
| Impounds | Ouergha River |
| Height | 88 m (289 ft) |
| Length | 2,600 m (8,500 ft) |
| Dam volume | 28×106 m3 (990×106 cu ft) |
| Spillway type | Service, controlled chute |
| Spillway capacity | 13,000 m3/s (460,000 cu ft/s) |
| Reservoir | |
| Creates | Al Wahda Reservoir |
| Total capacity | 3,800×106 m3 (3,100,000 acre⋅ft) |
| Catchment area | 6,200 km2 (2,400 sq mi) |
| Surface area | 123 km2 (47 sq mi) |
| Power Station | |
| Commission date | 1997-1998 |
| Turbines | 3 x 80 MW (110,000 hp) Francis-type |
| Installed capacity | 240 MW (320,000 hp) |
| Annual generation | 400 GWh (1,400 TJ) |
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