Improvement of existing water quality index in Selangor, Malaysia.

A reviesd and improved water quality index (WQI) is proposed for the State of Selangor in Malaysia. Analyses were conducted to develop the rating curve, find the new subindices and weighing factors for the selected parameters. The water quality parameters were grouped according their similarities. T...

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Main Authors: Al-Mamun, Abdullah, Hafizah, Nor, Alam, Md. Zahangir
Format: Proceeding Paper
Language:English
Published: 2009
Subjects:
Online Access:http://irep.iium.edu.my/6434/1/40_Water_Quality_Index.pdf
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author Al-Mamun, Abdullah
Hafizah, Nor
Alam, Md. Zahangir
author_facet Al-Mamun, Abdullah
Hafizah, Nor
Alam, Md. Zahangir
author_sort Al-Mamun, Abdullah
collection IIUM
description A reviesd and improved water quality index (WQI) is proposed for the State of Selangor in Malaysia. Analyses were conducted to develop the rating curve, find the new subindices and weighing factors for the selected parameters. The water quality parameters were grouped according their similarities. The class of water gained at 1K07 (Klang River station) using new WQI equation and existing WQI equation was Class IV and Class III respectively. However, the statuses of the water for both cases were the same, where both of them were classified as polluted water. In other case, for example at 1L02 (Langat River station), the class resulted from the new and existing WQI was the same. But, the status of the water was different, where the new WQI indicated that the water was clean, while the existing WQI indicated that the water was slightly polluted. The proposed WQI seemed to be slightly more strict compared to the existing one, which is thought to bring benefit the river environment. The outcomes of this research can be applied to protect the rivers in Selangor.
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spelling oai:generic.eprints.org:64342012-05-06T07:34:46Z http://irep.iium.edu.my/6434/ Improvement of existing water quality index in Selangor, Malaysia. Al-Mamun, Abdullah Hafizah, Nor Alam, Md. Zahangir TD Environmental technology. Sanitary engineering A reviesd and improved water quality index (WQI) is proposed for the State of Selangor in Malaysia. Analyses were conducted to develop the rating curve, find the new subindices and weighing factors for the selected parameters. The water quality parameters were grouped according their similarities. The class of water gained at 1K07 (Klang River station) using new WQI equation and existing WQI equation was Class IV and Class III respectively. However, the statuses of the water for both cases were the same, where both of them were classified as polluted water. In other case, for example at 1L02 (Langat River station), the class resulted from the new and existing WQI was the same. But, the status of the water was different, where the new WQI indicated that the water was clean, while the existing WQI indicated that the water was slightly polluted. The proposed WQI seemed to be slightly more strict compared to the existing one, which is thought to bring benefit the river environment. The outcomes of this research can be applied to protect the rivers in Selangor. 2009 Proceeding Paper PeerReviewed application/pdf en http://irep.iium.edu.my/6434/1/40_Water_Quality_Index.pdf Al-Mamun, Abdullah and Hafizah, Nor and Alam, Md. Zahangir (2009) Improvement of existing water quality index in Selangor, Malaysia. In: 2nd International Conference on Water & Flood Management (ICWFM), 15-17 March, Dhaka. http://www.sciencedev.net/Docs/ICWFM%202009.pdf
spellingShingle TD Environmental technology. Sanitary engineering
Al-Mamun, Abdullah
Hafizah, Nor
Alam, Md. Zahangir
Improvement of existing water quality index in Selangor, Malaysia.
title Improvement of existing water quality index in Selangor, Malaysia.
title_full Improvement of existing water quality index in Selangor, Malaysia.
title_fullStr Improvement of existing water quality index in Selangor, Malaysia.
title_full_unstemmed Improvement of existing water quality index in Selangor, Malaysia.
title_short Improvement of existing water quality index in Selangor, Malaysia.
title_sort improvement of existing water quality index in selangor malaysia
topic TD Environmental technology. Sanitary engineering
url http://irep.iium.edu.my/6434/1/40_Water_Quality_Index.pdf
work_keys_str_mv AT almamunabdullah improvementofexistingwaterqualityindexinselangormalaysia
AT hafizahnor improvementofexistingwaterqualityindexinselangormalaysia
AT alammdzahangir improvementofexistingwaterqualityindexinselangormalaysia