Generation of Groundwater Quality Index Map: A Case Study

P. Srinivas, G. N. Pradeep Kumar, A. Srinivasa Prasad, T. Hemalatha


Reliance on groundwater has been rapidly increasing, especially in the arid and semiarid regions, resulting in its overexploitation leading to deterioration of quality. Kurmapalli Vagu basin of Andhra Pradesh, a semi-critical region with respect to the stage of groundwater development is a good example. Its monitoring and assessment is imperative for devising preventive measures against health hazards. Groundwater samples from twenty five locations were collected and analyzed for various physico-chemical parameters in terms of Water Quality Index (WQI) to determine its suitability for drinking purposes. Seven locations were found to have WQI value within the limits. High values of WQI were mostly due to high content of Fluorides. WQI Contour map was generated to study spatial distribution of quality of groundwater. Suitable remedial measures and groundwater augmenting structures are proposed in the study area to improve the quality of groundwater.

Keywords: Groundwater, WQI, Fluorosis, Groundwater augmenting structures.

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ISSN (Paper)2224-5790 ISSN (Online)2225-0514

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