Document Type : Research Paper
Abstract
The healthy status of twelve bottles water brands that available in Hawler city was evaluated, each sample was collected on four replication during September-2014 to December-2014 from different shops of the city, physical, chemical and bacteriological variables were examined, the major goals are evaluating the suitability of bottled water states for drinking purposes through water quality index )WQI( investigation. For calculating the WQI, 12 parameters have been considered turbidity, pH, electrical conductivity, total dissolved solid, alkalinity, hardness, calcium, magnesium, sodium, potassium, Nitrate and chloride. The WQI for these samples ranges from 43.55 to 85.42. According to the WQI all the bottled samples were classified as excellent to good water they are suitable for drinking purpose. A comparison between the maximum permissible levels depended on the world health organization (WHO) guidelines was reported and discussed and water quality. They were changed in composition among the form and brands.
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