Heavy metals pollution profiles in Tigris River within Baghdad city

The Tigris River is a major source of Iraq’s drinking and agricultural water supply. An increase in pollution by heavy metals can be a great threat to human and aquatic life. In this study, the pollution index (PI) and metal index (MI) were used to evaluate the status of the Tigris River in Baghdad...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2022-09, Vol.1088 (1), p.12008
Main Authors: Aljanabi, Zahraa Zahraw, Hassan, Fikrat M., Jawad Al-Obaidy, Abdul-Hameed M.
Format: Article
Language:English
Subjects:
Aquatic organisms
Baghdad
Chromium
Drinking water
Heavy metals
Industrial plants
Iraq
Iron
Lead
Metal concentrations
metal index
Nickel
Pollution
Pollution index
Rivers
Sewage
Tigris River
Water supply
Zinc
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Summary:The Tigris River is a major source of Iraq’s drinking and agricultural water supply. An increase in pollution by heavy metals can be a great threat to human and aquatic life. In this study, the pollution index (PI) and metal index (MI) were used to evaluate the status of the Tigris River in Baghdad City. Five stations were chosen to conduct the study. Five heavy metals were analyzed: iron (Fe), lead (Pb), nickel (Ni), zinc (Zn), and chromium (Cr). The result of PI was ranked between “No effect to moderately affected for Fe; Slightly Affected to Seriously Affected for Pb; no effect to moderately affected for Ni, and no effect to strongly affected for Cr; only Zn was in the No effect class. While the Metal Index (MI) exceeded the warning threshold on all sites, its results ranged between 2.85 and 5.89. Pb was the most significant element that caused the rise of both indices where their values exceeded the allowable limits all the time, followed by Fe and Ni. increasing the concentration of heavy metals in the Tigris River, which returns to effluents of waste from many industrial facilities located on its bank, and the direct discharge of public sewage.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/1088/1/012008