Abstract

In this study, many water quality indices are reviewed. The Canadian Council of Ministers of the Environment (CCME), Water Quality Index (WQI) is used in the assessment of three adjacent water treatment stations. These stations are in Al-Hilla City in Iraq. They are all supplied with raw water from Shatt Al-Hill River. For determining the water quality of these water treatment stations, eight physical and chemical parameters are estimated. The considered parameters are Alkalinity (Alk), Turbidity (Turb.), Chloride (Cl), pH, Magnesium (Mg), Electrical Conductivity (EC), Calcium (Ca) and Total Hardness (TH). Treated water samples were collected and tested regularly for 6 months from the three stations. The calculated results for water quality reveal that all selected water treatment stations are good according to classification of CCME WQI. All the estimated values of the chemical and physical parameters concerning the studied water treatment stations are ranging within the Iraqi standards except turbidity.

Keywords:

CCME WQI, water assessment , water quality index , water treatment,

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The authors have no competing interests.

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