Open Access Peer-reviewed

Water Quality Assessment in Terms of Water Quality Index

Shweta Tyagi1, Bhavtosh Sharma2,, Prashant Singh1, Rajendra Dobhal2, 3

1Department of Chemistry, DAV Post Graduate College, Dehradun, Uttarakhand, India

2Uttarakhand Science Education and Research Center, Dehradun, Uttarakhand, India

3Uttarakhand Council of Science and Technology, Dehradun, Uttarakhand, India

American Journal of Water Resources. 2013, 1(3), 34-38. DOI: 10.12691/ajwr-1-3-3
Published online: August 25, 2017


Water quality index (WQI) is valuable and unique rating to depict the overall water quality status in a single term that is helpful for the selection of appropriate treatment technique to meet the concerned issues. However, WQI depicts the composite influence of different water quality parameters and communicates water quality information to the public and legislative decision makers. In spite of absence of a globally accepted composite index of water quality, some countries have used and are using aggregated water quality data in the development of water quality indices. Attempts have been made to review the WQI criteria for the appropriateness of drinking water sources. Besides, the present article also highlights and draws attention towards the development of a new and globally accepted “Water Quality Index” in a simplified format, which may be used at large and could represent the reliable picture of water quality.


ground water, surface, water quality, water quality index
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