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In this study, 96 water samples were collected from the Tigris River within Baghdad city. These samples were used for studying the physical and chemical parameters by using a geographical information system GIS (spatial analysis). The analytical results show high concentration of total dissolved solid (TDS), electric conductivity (EC), total hardness, Sulphate (SO4), Chloride (Cl) and Iron (Fe), which indicates signs of deterioration. On the other hand, the values of pH, calcium (Ca), Magnesium (Mg), and fluoride (F) are within permissible limits as per World Health Organization (WHO) and Iraqi Criteria.