Water Quality Evaluation of Potable Water Supply Network in Al-Dura, Baghdad City, Iraq

Abstract

The aim of this study is to determine the quality of drinking water in Al-Dura southern Baghdad City and comparing with the Iraqi standards (IQS) and World Health Organization (WHO) standards, then calculated by using a quality index which provides a single value to express overall quality based on twelve variables that were determined during the period between November 2016 to February 2017, samples were taken from twelve sites. The parameters used: pH, heavy metals (lead, cadmium and iron), chlorides, total hardness (TH), turbidity, dissolved oxygen (DO), total dissolved solid (TDS), alkalinity, electrical conductivity (EC) and free chlorine. The study showed that the range of water quality index for drinking water are lying between (0-25) and can be classified as an excellent water and Suitable for drinking.