Applicability of Overall Index of Pollution (OIP) for Surface Water Quality in Assessment of Tigris River Quality within Baghdad

摘要: Water quality index is one of the most effective tools to communicate information on water concerned citizens and policy makers. In this study, an attempt has been made assess Tigris River within Baghdad using overall Index Pollution (OIP) for surface examine applicability OIP Iraqi bodies by comparison results with previous scientific studies conducted same river. Twelve parameters were considered estimation in River. It was found that mathematical equations given developers estimate does not give a precis e calculations, therefor, Microsoft excel (2010) windows used extract value function curves individual parameter. According OIP, river heavily polluted at Al-Doura WTP Al-Rasheed total coliform bacteria (TC) major factor affects Based studies, it noticed quite applicable assessment even different indices, some contrarieties variations these when compared between each other. Therefore, develop unique prime importance.