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The aim of this study was to determine the physicochemical composition of water intended for human consumption in several regions of El-Oued - Algeria. Excess minerals in drinking water, including magnesium, calcium, sulfates, chloride and fluorides play a fundamental role in the prevention of urinary calculi, which are formed mainly from calcium oxalate. The results revealed that wholes water samples are analyzed magnesium ([Mg 2+ ] > 50 mg / L). The rate of sulfate ions average 638 mg / l, exceeding the maximum allowable concentration (MAC) recommended by WHO ([SO 4 2 ¯] > 250 mg / L). In addition, 85 % had excess fluoride [F¯] > 0.85 mg / L, and 100 % are calcium, the rate of Ca 2+ is greater than 150 mg / L.

Physico-Chemical Quality of Drinking Water in the South of Algeria (Case of El-Oued Region) Study of Excess Minerals