Development of indices for surface and ground water quality assessment and characterization for Indian conditions

Environmental Monitoring and Assessment
Surjeet SinghM K Sharma

Abstract

Water quality indices are mathematical equations that transform water quality data into a particular number which describe the status of water. A number of water quality indices have been developed by various researchers for categorizing the water quality for different uses. These indices are developed based on classification criteria, sub-indices, and aggregation function. In the present study, a generalized Composite Water Quality Index (CWQI) is developed to classify the water into five categories, viz excellent, good, fair, poor, and polluted. For this purpose, the concentration ranges have been categorized on the basis of the Indian Standards (IS) and Central Pollution Control Board (CPCB) standards and considering International standards of World Health Organization (WHO) and European Commission (EC). Twenty-five water quality parameters are selected based on the social and environmental impacts, and weights are computed using the Saaty's Analytic Hierarchy Process (AHP) Multiple Criteria Decision Analysis (MCDA) tool. These parameters are selected such that the same indices can be used to assess the quality of both surface and ground water. The computed weights minimize the subjectivity in assigning the parameter weights...Continue Reading

References

Nov 1, 1971·American Journal of Public Health·S K Krishnaswami
Nov 12, 2003·Environmental Monitoring and Assessment·Aabha Sargaonkar, Vijaya Deshpande
Feb 8, 2008·Environmental Monitoring and Assessment·Surjeet SinghRavi Galkate
Jan 21, 2015·International Journal of Medical Education·Lene SpanagerDoris Oestergaard

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Citations

Jan 18, 2020·Environmental Monitoring and Assessment·F O WanjalaS Bartilol
Dec 10, 2019·The Science of the Total Environment·Xu PanJan Vymazal
Dec 18, 2020·Scientific Reports·David de Andrade CostaRafaela Dos Santos Facchetti Vinhaes Assumpção
Oct 15, 2021·Environmental Science and Pollution Research International·Thanippuli Arachchige Nilusha Tharangani PereraLi Bing

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