Abstract
Groundwater is a major source of drinking water in urban areas. Because of the growing threat of debasing water quality due to urbanization and development, monitoring water quality is a prerequisite to ensure its suitability for use in drinking. But analysis of a large number of properties and parameter to parameter basis evaluation of water quality is not feasible in a regular interval. Multivariate techniques could streamline the data without much loss of information to a reasonably manageable data set. In this study, using principal component analysis, 11 relevant properties of 58 water samples were grouped into three statistical factors. Discriminant analysis identified “pH influence” as the most distinguished factor and pH, Fe, and NO\(_{3}^{-}\) as the most discriminating variables and could be treated as water quality indicators. These were utilized to classify the sampling sites into homogeneous clusters that reflect location-wise importance of specific indicator/s for use to monitor drinking water quality in the whole study area.
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Das, M., Kumar, A., Mohapatra, M. et al. Evaluation of drinking quality of groundwater through multivariate techniques in urban area. Environ Monit Assess 166, 149–157 (2010). https://doi.org/10.1007/s10661-009-0991-9
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DOI: https://doi.org/10.1007/s10661-009-0991-9