An assessment of the water quality index (WQI) of drinking water in the Eastern Himalayas of South Sikkim, India
Groundwater for Sustainable Development, ISSN: 2352-801X, Vol: 17, Page: 100735
2022
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Article Description
The current research was performed to evaluate the Water Quality Index (WQI) from the South Sikkim district, India, in the Eastern Himalayan region. Due to the rapid development of the tourism industry in the region, water scarcity has become one of the significant issues in some parts of the South Sikkim district. The lack of sufficient spring water to meet their drinking water needs has forced the local people to depend on alternate sources such as surface or rainwater. The main aim of the current research is to determine the acceptability of drinking water sources using the Water Quality Index (WQI) values. The Bureau of Indian Standard (BIS 2012) was used to evaluate the WQI and evaluate the quality of water for the water sources. Physicochemical parameters such as potential of hydrogen (pH), hardness, alkalinity, iron (Fe), fluoride (F − ), chloride (Cl − ), nitrate (NO 3 − ), and turbidity were analysed using standard devices and found that water is safe for drinking purpose. The presence of all these parameters did not affect the water quality as all are below the permissible limit. The water delivered after conventional treatment to individual households by local administration is free from contaminants and suitable for drinking. Based on WQI values, surface waterfalls under the projected area of South Sikkim district into two categories: excellent water and good water (ranging from 0 to 50). However, water scarcity continues to remain a major challenge. The current study concludes with some suggestions for proper planning and managing drinking water resources in the South Sikkim district and hilly areas.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S2352801X22000121; http://dx.doi.org/10.1016/j.gsd.2022.100735; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85124697774&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S2352801X22000121; https://dx.doi.org/10.1016/j.gsd.2022.100735
Elsevier BV
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