Morocco’s dam reservoirs held 5.56 billion cubic meters of water as of Sept. 15, representing just 33.2% of total capacity, according to official data.
The figures reveal sharp disparities among the country’s major river basins. Some regions enjoy relatively stable reserves, while others face severe shortages threatening water and food security.
The Bouregreg basin ranks highest, with a filling rate of 63.3% and a total of 685.2 million cubic meters. The Sidi Mohammed Ben Abdellah Dam accounts for more than 95% of that reserve, storing 653.5 million cubic meters at 67% capacity. Smaller dams in the basin remain far lower, including Tamesna at 35%, Al Maleh at 26% and El Himer at 13%.
The Loukkos basin follows with a 48.9% filling rate, holding 935.1 million cubic meters. Some dams are nearly full, such as Chefchaouen (88%) and Sharif Idrissi (86%). The Oued El Makhazine Dam, the basin’s largest, stands at 79%. By contrast, Ibn Battouta is at just 19% and Dar Khroufa at 14%.
The Guir-Ziz-Ghris basin recorded 48.7%, or 261.8 million cubic meters, mainly split between Hassan Addakhil Dam (58%) and Kadoussa Dam (35%).
Despite hosting Morocco’s largest dams, the Sebou basin stands at 44% capacity, with 2.45 billion cubic meters. Smaller dams such as Allal El Fassi are nearly full (98%), but key reservoirs are much lower: Al Wahda (46%), Idriss I (37%) and Al Kansra (23%).
The Tensift basin reached 41.2% (93.7 million cubic meters). Sidi Mohammed Ben Slimane El Jazouli Dam is relatively stable at 78%, while the strategic Lalla Takerkoust Dam is only 17%.
Southern and eastern basins show the most critical shortages. Drâa-Oued Noun is at 29%, Moulouya at 26.8% and Souss-Massa at 18%. The Oum Er-Rbia basin faces the most alarming situation nationwide, with just 10.3% of capacity, placing it at the heart of Morocco’s water crisis.
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