Estimation of water quality index and assessment of some heavy metals in potable water at Kingdom Saudi Arabia

Mohamed H.H. Ali, Khairia M. Al-Qahtani, Amani S. Alturiqi, Lamia A. Albedair, Khuloud A. Alibrahim

Research output: Contribution to journalArticleResearchpeer-review

3 Citations (Scopus)

Abstract

Water quality of some water stations in Kingdom Saudi Arabia was evaluated by Water Quality Index (WQI) technique. A water quality index provides a single number that expresses overall water quality at a certain location and time based on several water quality parameters. The objective of an index is to turn complex water quality data into information that is understandable and useable by the public. Eight most important parameters such as pH, total dissolved solids (TDS), dissolved oxygen (DO), biological oxygen demand nitrate and total phosphorus were taken for the calculation of WQI. The WQI values from 65 to 83. The obtained results revealed that, water stations at Riyadh have lowest WQI values followed by eastern district's stations and finally northern district's stations have the highest WQI values. Generally, quality of water is good at the most sampling site except stations 4 and 9. On the other side, the studied heavy metals found to be in the safe international guidelines except iron which exceed than permissible levels. Finally, WQI can be used as a tool in comparing the water quality of different sources. It gives a general idea of the possible problems with water in a particular region. The indices are among the most effective ways to communicate the information on water quality trends to the public or to the policy makers and water quality management.

Original languageEnglish
Pages (from-to)3206-3210
Number of pages5
JournalJournal of Applied Sciences Research
Volume8
Issue number7
Publication statusPublished - 1 Jul 2012

Fingerprint

drinking water
heavy metal
water quality
index
water
biochemical oxygen demand
dissolved oxygen
station
nitrate
phosphorus
iron
sampling

Keywords

  • Groundwater
  • Heavy metals
  • Saudi arabia
  • Water quality index

Cite this

Ali, Mohamed H.H. ; Al-Qahtani, Khairia M. ; Alturiqi, Amani S. ; Albedair, Lamia A. ; Alibrahim, Khuloud A. / Estimation of water quality index and assessment of some heavy metals in potable water at Kingdom Saudi Arabia. In: Journal of Applied Sciences Research. 2012 ; Vol. 8, No. 7. pp. 3206-3210.
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Estimation of water quality index and assessment of some heavy metals in potable water at Kingdom Saudi Arabia. / Ali, Mohamed H.H.; Al-Qahtani, Khairia M.; Alturiqi, Amani S.; Albedair, Lamia A.; Alibrahim, Khuloud A.

In: Journal of Applied Sciences Research, Vol. 8, No. 7, 01.07.2012, p. 3206-3210.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Albedair, Lamia A.

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