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Bin el Ouidane Dam

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Bin el Ouidane Dam
NameBin el Ouidane Dam
LocationAzilal Province, Morocco
Coordinates32°10′N 6°05′W
StatusOperational
Opening1953
OwnerOffice National de l'Electricité et de l'Eau Potable
Dam typeArch-gravity dam
Height133 m
Length290 m
Reservoir capacity total1.45 km3
Plant capacity172 MW

Bin el Ouidane Dam is a large arch-gravity dam on the El Abid River in the central High Atlas region of Morocco. It serves multiple roles including hydroelectricity generation, irrigation storage for the Haouz Plain, and regional flood control, and it supports local tourism and recreation efforts. The project involved international engineering partnerships and continues to be a significant asset for national infrastructure and regional development programs.

Overview

The dam is located near the town of Bin el Ouidane in Azilal Province, about 70 kilometres from Marrakesh and within reach of the High Atlas Mountains. Constructed across the El Abid River, the structure created a reservoir that feeds irrigation projects in the Haouz Plain and supplies water to Morocco's national grid through a hydroelectric power station. The facility links to broader initiatives led by entities such as the Office National de l'Electricité et de l'Eau Potable and has been involved in programs with international partners including agencies from France and Spain.

History and construction

Planning for the dam began in the late 1940s under the aegis of colonial and postcolonial authorities influenced by engineering firms from France and technical advisers from Spain and the United Kingdom. Construction commenced in the early 1950s with design work influenced by experience from projects like the Hoover Dam and the Aswan High Dam in terms of hydropower integration and multipurpose use. The dam was completed and commissioned in 1953, during a period of large-scale infrastructure investment that also included rail projects connecting Casablanca and Marrakesh. Key contractors and consulting engineers involved had prior roles in developments in Algeria and Tunisia.

Design and specifications

The dam is an arch-gravity concrete structure approximately 133 metres high and 290 metres long, sited in a narrow gorge to take advantage of natural abutments in the High Atlas Mountains. The reservoir has a total storage capacity near 1.45 cubic kilometres and a surface area that varies seasonally with inflow from tributaries originating near Toubkal and the surrounding massif. The powerhouse houses Francis turbines and associated generators with a combined installed capacity around 172 megawatts, and the dam includes spillways and outlet works designed to handle peak flood events comparable to historic floods recorded on the El Abid River.

Hydroelectric power and operations

The plant converts stored potential energy into electricity via Pelton/Francis-type machines chosen for head and flow conditions typical of the High Atlas watershed, supplying power to the national grid and supporting load centers such as Marrakesh and Casablanca. Operational management has involved the Office National de l'Electricité et de l'Eau Potable and later entities participating in Morocco's electrification and renewable energy strategy alongside projects like the Noor Solar Complex and transmission upgrades linked to the Mediterranean interconnections. Maintenance programs have referenced international standards associated with agencies such as the World Bank and UNESCO for dam safety and water resource management.

Reservoir and water management

The reservoir formed by the dam regulates seasonal flows from snowmelt and precipitation in the High Atlas, enabling irrigation deliveries to the Haouz Plain and contributing to municipal supplies for nearby towns including Azilal. Water allocation and scheduling coordinate with agricultural calendars for crops like citrus and cereals grown in the plains, and the facility plays a role in regional drought management that intersects with national policies from ministries in Rabat. Hydrological monitoring integrates data comparable to studies of other North African basins such as the Sous and Sebou.

Environmental and social impacts

Creation of the reservoir altered local ecosystems in the El Abid valley with impacts on riparian habitats and fish populations, prompting studies by regional universities and environmental organizations akin to research conducted for the Moulouya River. Socially, the project affected communities in Azilal Province through resettlement patterns and changes in land use and livelihoods, issues addressed in development programs involving Moroccan authorities and international donors. Long-term concerns include sedimentation, reservoir-induced seismicity assessed in contexts similar to studies around the Manantali Dam and environmental mitigation measures recommended by conservation groups active in the Atlas Mountains region.

Tourism and recreation

The lake and surrounding High Atlas scenery have become a destination for domestic and international visitors, offering boating, fishing, hiking, and scenic viewpoints that connect to itineraries for Marrakesh and trekking routes toward Toubkal National Park. Local entrepreneurs and municipalities have developed accommodation and guided activities, contributing to rural tourism initiatives similar to projects supported by UNWTO and regional tourism boards. The site features in promotional materials for trips from Casablanca and remains a popular day-trip for visitors exploring the cultural and natural attractions of central Morocco.

Category:Dams in Morocco Category:Hydroelectric power stations in Morocco Category:Buildings and structures completed in 1953