Estimation of surface water quality indices and heavy metals in selected polluted areas of Riyadh City, Saudi Arabia

Research output: Contribution to journalArticleResearchpeer-review

Abstract

In this study, the quality of water was studied in three selected drainage water in Riyadh City of Saudi Arabia. Physico-chemical parameters (pH, temperature, electrical conductivity, total dissolved solids, chloride, total hardness (magnesium and calcium) and concentration of arsenic, mercury, copper and cobalt were studied. The heavy metal pollution index (HPI) and metal index (MI) were then calculated. The results revealed a fluctuating behaviour of different parameters throughout the study locations influenced by source of discharges. Except for cobalt, its concentration was found to be higher than the NEQS limit in L1 and L2. Based on the results obtained, heavy metals can be arranged in terms of their concentration in samples: Cu > Ar > Co > Hg in the area under investigation. The mean HPI values of surface water in L1, L2 and L3 were 95.35, 73.86 and 46.33, respectively (less than the critical pollution index value of 100). The mean MI values of surface water at different locations were 3.67, 5.93 and 2.67 for L1, L2 and L3, respectively. This revealed low quality water in L2 indicating that this plant was affected by the concentration of heavy metals.

Original languageEnglish
Pages (from-to)2316-2320
Number of pages5
JournalAsian Journal of Chemistry
Volume29
Issue number10
DOIs
Publication statusPublished - 1 Jan 2017

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Heavy Metals
Surface waters
Water quality
Pollution
Cobalt
Metals
Water
Arsenic
Mercury
Magnesium
Drainage
Chlorides
Copper
Hardness
Calcium
Temperature

Keywords

  • Heavy metals
  • Physico-chemical parameters
  • Riyadh City
  • Water quality

Cite this

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title = "Estimation of surface water quality indices and heavy metals in selected polluted areas of Riyadh City, Saudi Arabia",
abstract = "In this study, the quality of water was studied in three selected drainage water in Riyadh City of Saudi Arabia. Physico-chemical parameters (pH, temperature, electrical conductivity, total dissolved solids, chloride, total hardness (magnesium and calcium) and concentration of arsenic, mercury, copper and cobalt were studied. The heavy metal pollution index (HPI) and metal index (MI) were then calculated. The results revealed a fluctuating behaviour of different parameters throughout the study locations influenced by source of discharges. Except for cobalt, its concentration was found to be higher than the NEQS limit in L1 and L2. Based on the results obtained, heavy metals can be arranged in terms of their concentration in samples: Cu > Ar > Co > Hg in the area under investigation. The mean HPI values of surface water in L1, L2 and L3 were 95.35, 73.86 and 46.33, respectively (less than the critical pollution index value of 100). The mean MI values of surface water at different locations were 3.67, 5.93 and 2.67 for L1, L2 and L3, respectively. This revealed low quality water in L2 indicating that this plant was affected by the concentration of heavy metals.",
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Estimation of surface water quality indices and heavy metals in selected polluted areas of Riyadh City, Saudi Arabia. / Al-Qahtani, Khairia M.

In: Asian Journal of Chemistry, Vol. 29, No. 10, 01.01.2017, p. 2316-2320.

Research output: Contribution to journalArticleResearchpeer-review

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