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Assessment of Water quality for Euphrates River in AL-Nasiriyah City by Using Organic Pollution Index

Authors: Sarah Awad Turki --- Afrah Abid Maktoof
Journal: Journal of Education for Pure Science مجلة التربية للعلوم الصرفة ISSN: 20736592 Year: 2019 Volume: 9 Issue: 2 Pages: 58-68
Publisher: Thi-Qar University جامعة ذي قار


Abstract:The present study was conducted to demonstrate the effect of organic matter on characteristics ofthe Euphrates river at the center of Al-Nasiriyah city and its feasibility for domestic, industrial andagricultural uses. [This index is an efficient and successful method for descriptive and quantitativeassessment of organic pollution in different aquatic systems]. Four stations were selected, the first stationnear Al-Sharif, the second station near the thermal of electric power, the third station near the ZaytoonBridge at the city center and the fourth station near the waste water treatment station, the samples werecollected from water monthly starting October 2017 Until September 2018. Some physical and chemicalproperties were measured: Biological oxygen demand (BOD5), Nitrate (NO3), phosphate (PO4),Ammonium (NH4). The results of variables of water in the studied stations showed that the values ofBiological Oxygen Demand ranged between (1.3-24.6) mg/L, nitrates between (9.24-61.98) mg /L,phosphate recorded values ranged between (0.10 – 1.30) mg /L, and ammonium (0.10 – 1.4) mg /L.

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