A CORRELATION STUDY OF GROUNDWATER CHEMISTRY OF BAPI AND SUDARSANPURA INDUSTRIAL AREA OF DAUSA DISTRICT, RAJASTHANR.N. PRASAD, RAM CHANDRA AND K.K. TIWARIAbstract A baseline study involving analysis of groundwater samples from Bapi and sudarsanpura industrial area was carried out in order to assess their suitability for drinking purposes. Samples were collected from ten representative bore wells and hand pumps in the study area in the year 2006 and were analysed for their physico-chemical characteristics. These groundwaters are alkaline (pH 7.16-8.37) and their electrical conductivity varied from 1032 to 5025 mhos/cm and fluoride concentration varies from 1.65 to 5.85 mg/L. Salinity and the fluoride contamination are the two major problems in the area, which is alarming considering the use of this water for drinking purposes. It is observed that high alkalinity leads to increase in the fluoride level and high calcium content decreases the fluoride level. Presence of fluoride-bearing minerals in the host rocks and their interaction with water is considered to be the main cause for fluoride groundwater. Statistical analyses have been carried out using chemical data. A correlattion study has been carried out for all the possible pairs of eleven physico-chemical parameters of groundwater of study area. A systematic calculation of correlation co-efficient between various parameters has been carried out. It is significant to note that the levels of fluoride concentration are high in groundwater samples, and need serious attention.
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