Algiers water issue: Key indicators for a diagnosis of water resources carrying capacity
Résumé
In Algeria and especially in Algiers the capital city, ensuring inhabitants water requirements remains a critical issue despite huge investments made by the government to secure water supply over the past years. Indeed, in the face of erratic climate conditions with recurrent drought episodes and constantly increasing water demand, due to population growth and economic activity rise, the water supply system is subject to various problems of environmental, economic, technical and managerial nature. This could ultimately affect the water supply of Algiers city. A rigorous and effective management of water resources requires analysis of elements that affect in the long run water resources carrying capacity (WRCC). This latter can be defined as the level of human activity that can be withstood by the available water resources without major degradation of aquatic environments while maintaining an adequate standard of living for the population. Water resources carrying capacity depends mainly onto two major components that are water supply capacity and inhabitants' global water demand. This study aims at proposing key indicators and related thresholds for analysing Algiers water carrying capacity in order to provide a diagnosis tool for policy makers to lay down the foundations of a sustainable water strategy in Algiers city.
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