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State of art about water uses and wasterwater management in Lebanon

Etat des lieux sur l'utilisation de l'eau et la gestion des eaux usées au Liban
article Jul 2010 ; 14 pages
Aut. Ghassan Chebbo & Antoine El Samarani & Darine Geara-Matta & Catherine Lorgeoux & Régis Moilleron
Ed. CNRSL - Beirut
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This paper shows the real situation about management of water and wastewater in Lebanon and focuses on problems related to urban water pollution released in environment. Water and wastewater infrastructures have been rebuilt since 1992. However, wastewater management still remains one of the greatest challenges facing Lebanese people, since water supply projects have been given priority over wastewater projects. As a consequence of an increased demand of water by agricultural, industrial and household sectors in the last decade, wastewater flows have been increased. In this paper, the existing wastewater treatment plants (WWTP) operating in Lebanon are presented. Most of them are small-scale community-based ones, only two large-scale plants, constructed by the government, are currently operational. Lebanese aquatic ecosystems are suffering from the deterioration of water quality because of an insufficient treatment of wastewater, which is limited mostly to pre-treatment processes. In fact, domestic and industrial effluents are mainly conducted together in the sewer pipes to the WWTP before being discharged, without adequate treatment into the rivers or directly into the Mediterranean Sea. Such discharges are threatening the coastal marine ecosystem in the Mediterranean basin. This paper aims at giving the current state of knowledge about water uses and wastewater management in Lebanon. The main conclusion drawn from this state of art is a lack of data. In fact, the available data are limited to academic research without being representative on a national scale.


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Mots clefs:

assainissement (CI) (DT) (OP) , eaux usées (traitement des ) (CI) (DT) (OP) , qualité des eaux (CI) (DT) (OP)

Pays concerné:

Liban (CI) (DT) (OP)


CNRSL - Conseil national de la recherche scientifique du Liban - Beirut - Liban

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