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Bouregreg-Chaouia basin dams reach average fill rate of over 88%
Water reservoirs in the Bouregreg-Chaouia basin have reached a high average storage level, reflecting a significant improvement in water availability compared with last year. According to data released by the Bouregreg-Chaouia Hydraulic Basin Agency, dams in the region recorded an average fill rate of 88.31% as of January 2.
The total volume of stored water stood at approximately 978 million cubic meters, out of a normal capacity of around 1.1 billion cubic meters. This represents a sharp year-on-year increase, with reserves rising by more than 570 million cubic meters compared with the same period in 2025, when the fill rate barely exceeded one-third of total capacity.
The Sidi Mohammed Ben Abdellah dam, the largest in the basin, showed particularly strong levels, with reserves exceeding 94% of its capacity. Other infrastructures also recorded notable gains. The Tamesna dam posted a moderate but steady rise in water storage, while the El Mellah dam more than doubled its reserves compared with last year.
Meanwhile, the Aïn Kouachia dam slightly exceeded its nominal capacity, highlighting the impact of recent rainfall on smaller reservoirs.
These figures point to a substantial recovery of surface water resources in the Bouregreg-Chaouia basin, offering relief to water supply systems serving major urban and agricultural areas. Authorities continue to monitor reservoir levels closely to ensure sustainable water management throughout the year.
