Dams in the Oum Er-Rbia basin received 2.317 billion cubic meters of water during the first six months of the 2025-26 hydrological year, 73 percent above the average of 1.341bn cubic meters, according to figures released by the Oum Er-Rbia Hydraulic Basin Agency.
Bin El Ouidane Dam recorded the sharpest increase over its historical average, receiving 771 million cubic meters between Sept 1, 2025, and March 1, 2026, against an average of 343m cubic meters.
The inflows were 125 percent above average and more than seven times the 101m cubic meters recorded during the corresponding period a year earlier.
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Ahmed El Hansali Dam received 727m cubic meters, up from 119m a year earlier and 81 percent above its average of 401m cubic meters.
Al Massira Dam also saw a marked increase, with inflows reaching 482m cubic meters compared with just 31m during the same period of the previous hydrological year. The latest figure was 22% above its average of 394m cubic meters.
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Moulay Youssef Dam received 176m cubic metres, 72 percent above its average of 102m, while Hassan I Dam recorded 162m cubic metres, against an average of 100m.
According to the agency, 82% of the water flowing into the basin’s dams during the six-month period was recorded in January and February 2026.
