Morocco’s dam reserves rose sharply between 16 and 19 January, with total stored volumes increasing by 210 million cubic metres to reach 8.017 billion m³, pushing the national filling rate from 46.5% to 47.8%.
Al Wahda Dam, the country’s largest, recorded the biggest volume gain, rising from 2.090 to 2.133 billion m³ (+43 million), with its filling rate improving from 59% to 60%.
Al Massira Dam, supplying Casablanca, increased from 229 to 250 million m³ (+21 million), raising its filling level from 8% to 9%.
Bin El Ouidane also added 21 million m³ to reach 340 million m³, improving its filling rate from 26% to 28%.
Idriss I moved from 517 to 528 million m³ (+11 million), pushing its filling rate from 45% to 46%.
Sidi Mohammed Ben Abdellah saw a minor rise from 969 to 971 million m³, maintaining a near‑full level at around 99.6%.
Oued El Makhazine remained stable at full capacity with 672 million m³.
Authorities attribute the rise to sustained rainfall and snowfall. Between 1 September and 12 January, Morocco received 108 mm of precipitation, 95% higher than last year and 17.6% above the long‑term average, allowing a significant improvement in national filling levels.
Recent inflows also secure, according to officials, enough water to cover one additional year of drinking‑water needs.



