Groundwater physico-chemical characteristics of Bredeah area Plain (Oran area – Northwest Algeria)

Abstract

Abstract A varied methodology on the field and laboratory was used for determining the physical and chemical characteristics of groundwater in Bredeah plain. The salinity values are high in the Quaternary aquifer, more than 7g/l whereas conductivity’s reach 14440 μS/cm. Chloride ions contribute significantly to anionic composition and increase up to 2392 mg/l. Conductivity and hardness values and some ions concentrations including chlorides, sulfates and nitrates exceed the WHO standards of drinking water. In Bredeah area, water is generally is of poor quality. For drinking water supply of Oran city, this water is demineralized by the reverse osmosis (RO) process.

Keywords

• Key words: Miocene limestone, Quaternary alluvia, salinity, demineralization

References

1. Benlekhal, A. (l985). Contribution â l’e'tude hydrogéologique du bassin d’alimcntation des captages de Bredeah (Oran), These lng., I.S.T,, Univ. Oran. Benziane, A. (1984). Hydrogéologie du versant sud du Djebel Murdjadja (Probleme d’exploitation et de gestion des eaux), Rapport lnédit, I. N. RH.
2. Dahmani, B., Bithorel, C. (2001). Déminéralisation des eaux saumatres de Bredeah dans la région du bassin hydrographique Oranie-Chott-Chergui - Partie 1 : Hydrogéologie de la nappe de Bredeah, Desalination 137, Elsevier.
3. Djebbari, F., Madani, H. (1994). Valorisation des ressources en eau de la region de
4. Bredeah (Boutlelis- Misserghin)- Mem. Ing., I.S.T, Univ., Oran, 63 Şg, 122 p. Rodier, J. (1984). L’analyse de l’eau (eaux naturelles, eaux résiduaires, eau de mer), Ed. Dunod, Paris.