Assessment of Water Quality Index of Groundwater Samples in Kattedan Industrial Area, Ranga Reddy District, Andhra Pradesh, India (original) (raw)

The present study aimed to calculate Water Quality Index (WQI) by the analysis of twenty-one physico-chemical parameters on the basis of Weighted Arithmetic Index in order to assess the suitability of ground water for drinking in Kattedan Industrial Area, Ranga Reddy District, Andhra Pradesh, India. Water Quality Index, a technique of rating water quality, is an effective tool to assess spatial and temporal changes in ground water quality. It serves the understanding of water quality issues by integrating complex data and generating a score that describes water quality status. The WQI is used to classify water quality as excellent, good, poor, very poor and unfit for drinking. The parameters were measured for the calculation of WQI at nine groundwater sampling locations in September 2012.The found values were compared with the ICMR/BIS water quality standards. The results observed on WQI for the different sampling locations were found to fall under the class of poor (100-200) class at sample locations S1,S2,S5,S6,S7 to very poor (200-300) class at sample locations of S3,S8 and S9.The analysis reveals that the ground water of the area was not conforming to drinking standards and hence needs some treatment before consumption, and it also needs to be protected from the perils of contamination. It is concluded that WQI can be used as a tool in comparing the water quality of different sources.

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