TY - JOUR ID - TI - Hydrochemistry of Tigris River in Baghdad city, Iraq AU - Haneen Zaid Abdulazeez1* AU - Ayser Mohammed Al-Shamma’a 1 AU - Qays Jasim Saud2 PY - 2020 VL - 61 IS - 8 SP - 2033 EP - 2047 JO - Iraqi Journal of Science المجلة العراقية للعلوم SN - 00672904 23121637 AB - The main objective of this study was to investigate the current water-quality conditions in Tigris River, Baghdad, Iraq, and to determine how those conditions are changing over time of pollution, if any. A series of hydrochemical tests were carried out to ascertain the influence of major Cations and Anions, Total Dissolved Solids (TDS), Electrical Conductivity (EC) and Potential of hydrogen (pH) on the quality of water. Water samples (n=34) were collected along Tigris River from north to south Baghdad City; 17 on January 2019 and 17 on April 2019. The results of the tests were compared with the World Health Organization standards, and showed that all the ions in addition to EC and TDS are within the acceptable limits, except for the samples 7 and 16 where Sulfate concentration was above the acceptable limits. Therefore, the Tigris River water in most of the study area is acceptable for all kinds of consumption. The most common water type in the area was Ca Na Mg- SO4 Cl HCO3 in January 2019 and Na Ca Mg- SO4 Cl in April 2019.

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