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International Journal for Research Trends and Innovation
International Peer Reviewed & Refereed Journals, Open Access Journal
ISSN Approved Journal No: 2456-3315 | Impact factor: 8.14 | ESTD Year: 2016
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Issue: April 2026
Volume 11 | Issue 4
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Impact Factor : 8.14
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| Paper Title: | Assessment of Heavy Metal Contamination and Physico-chemical Quality of Al-Diwaniyah River: Impact on Biological Activity and Water Suitability |
| Authors Name: | Hussein kamel Awad |
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IJRTI_211124
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| Published Paper Id: | IJRTI2604051 |
| Published In: | Volume 11 Issue 4, April-2026 |
| DOI: | |
| Abstract: | Global freshwater scarcity is increasingly exacerbated by deteriorating water quality caused by industrialization and urbanization. This study investigates the impact of urban, medical, and industrial discharges on the water quality of the Al-Diwaniyah River in Iraq. Water samples were collected from three strategic stations: Upstream (Control), Midstream (City Center), and Downstream (Industrial Zone). Physico-chemical parameters, including Dissolved Oxygen (DO), pH, Total Dissolved Solids (TDS), and Electrical Conductivity (EC), were measured alongside heavy metal concentrations (Cu, Ni, Pb, and Cr). Results indicated a severe degradation in water quality as the river flows through the city. DO levels plummeted from 8.2 mg/L at the control site to a hypoxic 1.5 mg/L downstream. TDS and EC significantly increased, with TDS reaching 1450 mg/L, exceeding WHO permissible limits. Heavy metal analysis revealed critical contamination levels at the southern station, particularly for Lead (Pb), which reached 0.650 mg/L—approximately 65 times the WHO limit. The Heavy Metal Pollution Index (HPI) rose from 42.5 (Good) upstream to 185.4 (Highly Polluted) downstream. Biological assays further confirmed high toxicity, as earthworm survival rates dropped to 10% and microbial respiration was inhibited by over 80% in downstream sediments. The findings highlight the urgent need for effective wastewater treatment and industrial regulation to protect the river's ecosystem and public health |
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| Cite Article: | "Assessment of Heavy Metal Contamination and Physico-chemical Quality of Al-Diwaniyah River: Impact on Biological Activity and Water Suitability", International Journal for Research Trends and Innovation (www.ijrti.org), ISSN:2456-3315, Vol.11, Issue 4, page no.a368-a373, April-2026, Available :http://www.ijrti.org/papers/IJRTI2604051.pdf |
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2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016 An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator |
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Published Paper ID: IJRTI2604051
Registration ID:211124
Published In: Volume 11 Issue 4, April-2026
DOI (Digital Object Identifier):
Page No: a368-a373 Country: Al- Qadisiyah, Diwaniyah, Diwaniyah, Iraq Research Area: Environmental Management Publisher : IJ Publication Published Paper URL : https://www.ijrti.org/viewpaperforall?paper=IJRTI2604051 Published Paper PDF: https://www.ijrti.org/papers/IJRTI2604051 |
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ISSN: 2456-3315
Impact Factor: 8.14 and ISSN APPROVED,
Journal Starting Year (ESTD) : 2016
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