Morocco Expands Dam Infrastructure to Boost Water Security by 2027

Morocco is hurtling past a critical juncture in its infrastructure rollout, aiming to lift its total dam storage capacity above 24 billion cubic meters by the end of 2027. Aujourd’hui le Maroc reported that the kingdom is aggressively expanding its hydraulic network to fortify long-term water security against persistent climate pressures. This massive surge in engineering works pairs with a dramatic recovery in actual water reserves across the nation’s key basins.

Engineering a 24-Billion-Cubic-Meter Horizon

The Ministry of Equipment and Water is overseeing a sprawling portfolio of active construction sites designed to capture and retain every available drop of moisture. According to official disclosures, ongoing operations include the construction of 14 large dams alongside six medium-sized dams, forming part of a broader master blueprint for 20 large infrastructure projects. Beyond these massive builds, smaller regional needs are not being ignored. A dedicated program spanning 2022 to 2027 mandates 155 small and hill dams, with 56 of those structures already finished or actively under development.

This construction push builds upon a wave of recent completions. Between 2020 and late 2026, the kingdom finished eight major dams—including Kaddoussa, Tiddas, Todgha, Agdez, Fask, Koudiat El Berna, M’dez, and Ghiss—which collectively expanded storage capacity by 1.89 billion cubic meters. Authorities also engineered the early filling of five additional large dams, adding another 746 million cubic meters. Altogether, these completed projects have injected roughly 2.64 billion cubic meters of new capacity into the national grid.

Photo: Le360

Among the crown jewels of this expansion is the Kheng Grou dam in the Figuig province. Le360 noted that construction on this massive project has reached a 91% completion rate, with full operational status slated for late December 2026. Erected at the confluence of the oued Grou and four tributaries, the roller-compacted concrete structure towers 79 meters high and holds a staggering 1.07 billion cubic meters of water, making it the fifth-largest dam in the country. Moulay El Hassan Faiq, project manager at the Directorate of Hydraulic Engineering, explained that the facility will substantially boost irrigation and protect downstream populations.

A Dramatic Rebound in National Reserves

While engineers race to finish concrete walls across the provinces, recent rainfall has fundamentally altered the baseline hydrology on the ground. Lematin reported that as of October 26, 2026, Morocco’s overall dam filling rate stands at an impressive 66.3%. This represents a staggering leap from the 31.5% recorded at the exact same time last year, marking a 34.8 percentage point recovery and pushing total stored volume to 11.2 billion cubic meters.

Photo: Lematin

Strategic hydraulic basins reflect this dramatic turnaround with varying degrees of abundance. The Bouregreg basin sits comfortably at a 77.3% filling rate holding 1.14 billion cubic meters, anchored by standout performers like the Tiddas dam operating at 91% capacity. Meanwhile, the crucial Sidi Mohammed Ben Abdellah dam, which feeds the capital region, registers at 70% with over 612 million cubic meters stored. The vast Sebou basin displays similarly robust health at 75.6%, while northern networks like the Loukkos basin hit 73.6%.

Maroc Diplomatique noted that these heavy investments in supply infrastructure form only one pillar of a much larger national strategy. Government planners emphasize that supply-side management must be paired with aggressive demand controls, leakage reduction, and wastewater reuse to prevent chronic overdrafting of underground aquifers. The ongoing rollout of the “water highway,” which transfers surplus flow from the Sebou basin to the Bouregreg at 15 cubic meters per second, exemplifies this sophisticated grid-balancing approach.

Regional Asymmetries and the Road Ahead

Despite the nationwide jubilation over surging reservoir levels, geographical disparities persist as a stark reminder of the kingdom’s climatic divide. While northern and central basins overflow with historic abundance, southern and southeastern watersheds report much tighter margins. The Guir-Ziz-Gheris basin sits at a modest 56.3% filling rate, and historical structures like the El Mansour Eddahbi dam hover near 49% capacity.

To bridge these systemic gaps, state planners are pressing forward with artificial aquifer recharge projects, extensive groundwater drilling operations—which saw over 5,000 reconnaissance wells completed between 2020 and 2025—and real-time water quality monitoring systems along major waterways like the Sebou. As the 2027 deadline for the 24-billion-cubic-meter threshold approaches, the ultimate test for Morocco’s ambitious hydraulic strategy will lie in its ability to distribute these vital resources equitably across every province.