The overall decline in water storage has slowed sharply, with several dams benefiting from recent rainfall. The Hassan Addakhil dam in the Guir-Ziz-Ghris basin recorded the largest increase, adding 2.80 million cubic meters in a single day.
Its reserves rose from 154.88 million to 157.68 million cubic meters, pushing its fill rate from 53.86% to 54.83%. Since October 1, when the dam held 152.95 million cubic meters, its reserves have increased by 4.73 million cubic meters.
Toudgha, also in the Guir-Ziz-Ghris basin, rose from 2.87 million to 3.10 million cubic meters, with its fill rate increasing from 7.86% to 8.50%.
The Moulouya basin accounted for four of the 12 increases. Mohammed V gained 1.39 million cubic meters, rising from 35.90 million to 37.29 million and taking its fill rate from 21.76% to 22.60%.
Hassan II added 0.58 million cubic meters to reach 200.50 million, while Tamalout gained the same amount to reach 32.86 million. Injil rose from 2.13 million to 2.33 million cubic meters, lifting its fill rate from 22.85% to 24.97%.
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In the Draa-Oued Noun basin, Mansour Eddahbi gained 0.62 million cubic meters to reach 189.59 million, or a 42.58% fill rate.
In the Sebou basin, Garde Sebou rose from 97.04% to 98.51%, adding 0.32 million cubic meters. Yaacoub El Mansour, in the Tensift basin, recorded a much smaller increase of 0.02 million cubic meters, reaching 42.42 million.
The 12 dams that gained water
| Dam | Basin | Fill rate on Oct. 4 | Fill rate on Oct. 5 | Change | Volume on Oct. 4 (million m³) | Volume on Oct. 5 (million m³) | Volume change (million m³) |
|---|---|---|---|---|---|---|---|
| Hassan Addakhil | Guir-Ziz-Ghris | 53.86% | 54.83% | +0.97 pts | 154.88 | 157.68 | +2.80 |
| Mohammed V | Moulouya | 21.76% | 22.60% | +0.84 pts | 35.90 | 37.29 | +1.39 |
| Aït Messaoud | Oum Errbia | 48.56% | 61.41% | +12.85 pts | 4.27 | 5.40 | +1.13 |
| Mansour Eddahbi | Draa-Oued Noun | 42.44% | 42.58% | +0.14 pts | 188.97 | 189.59 | +0.62 |
| Hassan II | Moulouya | 56.52% | 56.69% | +0.17 pts | 199.92 | 200.50 | +0.58 |
| Tamalout | Moulouya | 67.44% | 68.66% | +1.22 pts | 32.28 | 32.86 | +0.58 |
| Garde Sebou | Sebou | 97.04% | 98.51% | +1.47 pts | 21.18 | 21.50 | +0.32 |
| Toudgha | Guir-Ziz-Ghris | 7.86% | 8.50% | +0.64 pts | 2.87 | 3.10 | +0.23 |
| Injil | Moulouya | 22.85% | 24.97% | +2.12 pts | 2.13 | 2.33 | +0.20 |
| Sidi Saïd Maachou | Oum Errbia | 63.58% | 81.64% | +18.06 pts | 0.49 | 0.63 | +0.14 |
| Yaacoub El Mansour | Tensift | 73.15% | 73.19% | +0.04 pts | 42.40 | 42.42 | +0.02 |
| Sidi Driss | Oum Errbia | 97.18% | 100.00% | +2.82 pts | 0.54 | 0.55 | +0.01 |
Three smaller reservoirs in the Oum Errbia basin also posted gains. Aït Messaoud added 1.13 million cubic meters, taking its fill rate from 48.56% to 61.41%. Sidi Saïd Maachou gained 0.14 million cubic meters, rising from 63.58% to 81.64%. Sidi Driss reached full capacity at 100%.
Three basins gain while six decline
At the basin level, Guir-Ziz-Ghris gained 2.97 million cubic meters, with its fill rate rising from 39.62% to 40.16%.
Moulouya increased by 2.69 million cubic meters, taking its fill rate from 55.96% to 56.35%, with total reserves reaching 395.26 million cubic meters.
Draa-Oued Noun gained 0.62 million cubic meters and reached 361.92 million, equivalent to a 34.53% fill rate.
The other six basins recorded declines.
Sebou lost 4.68 million cubic meters, leaving it with 4.153 billion cubic meters and a fill rate of 77.33%. Oum Errbia lost 2.74 million cubic meters, bringing its fill rate to 57.73%.
Loukkos fell by 2.27 million cubic meters to 76.04%, while Bouregreg lost 1.44 million to reach 76.19%. Tensift and Souss-Massa each recorded losses of less than half a million cubic meters.
Among the country’s major reservoirs, Al Wahda lost 3.17 million cubic meters and remained at a fill rate of 80.86%. Sidi Mohammed Ben Abdellah lost 1.35 million, while Bin El Ouidane declined by 1.33 million.
Read also : Seven major Moroccan dams surpass 80% completion
Overall, dam reserves stood at 11,118.88 million cubic meters on October 5, compared with 11,124.67 million the previous day, a decline of 5.79 million cubic meters.
The national fill rate edged down from 65.33% to 65.30%.
The pace of the decline has nevertheless slowed considerably. Between October 1 and October 4, Morocco’s dams lost 30.46 million cubic meters, or roughly 10 million cubic meters per day.
On the same date last year, the national fill rate stood at 32.51%.
