Abstract
This paper presents the hazard mapping of groundwater in the Tlemcen urban area (TUA). First, we identified the potential pollution sources (of industrial, agricultural and urban origins) existing in the studied area that can affect the karstic groundwater. It is the most important reserve and the main source of drinking water supply of this area. Then, we mapped all these hazards on a topographic map at scale 1:25,000. Finally, a classified hazard map was established. This investigation clearly shows that the groundwater of TUA is far from being safe from the risk of pollution. Adequate and urgent actions must be taken in order to eliminate or to reduce the risks of contamination of this water resource which is highly vulnerable because of the lack of protection perimeters.
Published Version
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