Aït Ziat
A new 71 m earthfill dam in Al Haouz province (2025), securing drinking water for Marrakech and irrigating surrounding farmland.
71 m
Height
186
Capacity (Mm³)
60%
Fill Rate
2025
Built In
About This Dam
Commissioned in 2025 in Al Haouz province, Aït Ziat Dam is a 71 m zoned earthfill structure with a central watertight core on the Ziat River, a tributary of the N'fis. With a capacity of 186 million m³ and a 992-hectar reservoir, it cost roughly 1.8 billion dirhams. Designed to strengthen the water security of the Marrakech region, it supplies the city with about 30 million m³ of drinking water per year, irrigates nearby farmland and provides flood protection. It forms part of the accelerated dam-building policy under King Mohammed VI.
New strategic dam for Marrakech's water security (2025)
Key Specifications
- Location: Marrakech-Safi · Nearest City: Marrakech
- River: Ziat · Basin: Tensift
- Type: Earthfill Dam · Height: 71 m
- Capacity: 186 Mm³ · Built In: 2025
- Coordinates: 31.5310°N, 7.5670°W
Purpose
Water Supply
Supplies drinking water to cities
Irrigation
Provides water for agricultural irrigation
Flood Control
Protects downstream areas from flooding
References
Frequently Asked Questions
What is the capacity of Aït Ziat Dam?
Aït Ziat Dam has a total storage capacity of 186 million cubic meters (Mm³) and a height of 71 meters. It ranks among Morocco's strategic reservoirs and plays a key role in regional water security.
Where is Aït Ziat Dam located?
Aït Ziat Dam is located in the tensift river basin in Morocco. It is part of the national network of large dams managed by Morocco's hydraulic authorities.
When was Aït Ziat Dam built?
Aït Ziat Dam was commissioned in 2025. It forms part of Morocco's ongoing national dam-building program, which has expanded significantly since the 1960s.
What is the current water level at Aït Ziat Dam?
As of the latest update, Aït Ziat Dam holds 111.6 Mm³ out of a total capacity of 186 Mm³, representing a fill rate of 60%. Levels are updated regularly to track seasonal rainfall and water releases.
What is Aït Ziat Dam used for?
Aït Ziat Dam serves several purposes: supplying drinking water to nearby cities, irrigating agricultural land, regulating floods to protect downstream areas, and supporting regional water management.
Which river feeds Aït Ziat Dam?
Aït Ziat Dam is built on the Ziat River. The dam captures the river's flow to store water for drinking, irrigation, and flood control.
Current Level
GoodCapacity
112
Mm³
Remaining
74
Mm³
Fill Rate
60%
Updated · July 2026
Geography
- Region
- Marrakech-Safi
- Nearest City
- Marrakech· 41 km
- Coordinates
- 31.531, -7.567
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FullCapacity
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Height
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Built In
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GoodCapacity
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Height
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Built In
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FullCapacity
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Height
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Built In
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