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    TEMPORAL VARIATION OF THE WATER QUALITY OF A PERMANENT WATERCOURSE: CASE OUED BOUSSELAM
    (university of eloued جامعة الوادي, 2020-05-01) M., . Dehbi*1; , . Messai-Maane2, S.; , . Sekki3 A.
    In order to assess the degree of pollution of surface water from Boussalem river from the city of Setif, we conducted during 2014; a study of physical and chemical characteristics of surface water. The results showed that water is loaded into mineral matter in terms of electrical conductivity (Avg = 1059,18 μS/cm ± 631,7), in turbidity (Avg = 15,713 NTU ± 22,19), in TSS (Avg = 189 mg/l ± 119,5), with low dissolved oxygen (Avg = 2,98 mg/l ± 2 ,44). The pH is closed to neutrality (Avg = 7,78 ± 0,74), the temperature is 17°C ± 11,13). Also, one revealed according to the results which water of Bousselam river is bad according to the quality standards of surface water and this is directly related to factors anthropic.